./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.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 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 15:02:51,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:02:51,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:02:51,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:02:51,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:02:51,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:02:51,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:02:51,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:02:51,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:02:51,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:02:51,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:02:51,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:02:51,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:02:51,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:02:51,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:02:51,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:02:51,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:02:51,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:02:51,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:02:51,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:02:51,810 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:02:51,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:02:51,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:02:51,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:02:51,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:02:51,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:02:51,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:02:51,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:02:51,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:02:51,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:02:51,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:02:51,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:02:51,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:02:51,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:02:51,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:02:51,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:02:51,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:02:51,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:02:51,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:02:51,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:02:51,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:02:51,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:02:51,843 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:02:51,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:02:51,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:02:51,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:02:51,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:02:51,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:02:51,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:02:51,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:02:51,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:02:51,884 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:02:51,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:02:51,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:02:51,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:02:51,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:02:51,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:02:51,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:02:51,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:02:51,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:02:51,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:02:51,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:02:51,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:02:51,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:02:51,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:02:51,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:02:51,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:02:51,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:02:51,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:02:51,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:02:51,888 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:02:51,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:02:51,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:02:51,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 678d1ed0889f06c506279e4c19484f47385b64dd1d4a949ec484624bf8468835 [2022-07-21 15:02:52,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:02:52,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:02:52,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:02:52,238 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:02:52,239 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:02:52,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-21 15:02:52,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9eb76fa4/56086d650aa249faa39c4f7ee8e8e8f2/FLAG578e80b1f [2022-07-21 15:02:53,246 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:02:53,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-21 15:02:53,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9eb76fa4/56086d650aa249faa39c4f7ee8e8e8f2/FLAG578e80b1f [2022-07-21 15:02:53,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9eb76fa4/56086d650aa249faa39c4f7ee8e8e8f2 [2022-07-21 15:02:53,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:02:53,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:02:53,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:02:53,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:02:53,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:02:53,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:02:53" (1/1) ... [2022-07-21 15:02:53,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf98c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:02:53, skipping insertion in model container [2022-07-21 15:02:53,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:02:53" (1/1) ... [2022-07-21 15:02:53,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:02:53,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:03:01,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2022-07-21 15:03:01,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2022-07-21 15:03:01,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2022-07-21 15:03:01,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2022-07-21 15:03:01,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:03:01,402 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:03:02,343 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596672,596685] [2022-07-21 15:03:02,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[596841,596854] [2022-07-21 15:03:02,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597008,597021] [2022-07-21 15:03:02,344 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i[597176,597189] [2022-07-21 15:03:02,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:03:02,904 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:03:02,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02 WrapperNode [2022-07-21 15:03:02,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:03:02,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:03:02,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:03:02,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:03:02,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:03,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:03,601 INFO L137 Inliner]: procedures = 824, calls = 5690, calls flagged for inlining = 430, calls inlined = 371, statements flattened = 11681 [2022-07-21 15:03:03,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:03:03,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:03:03,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:03:03,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:03:03,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:03,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:03,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:03,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:03,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:03,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:04,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:04,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:03:04,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:03:04,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:03:04,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:03:04,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (1/1) ... [2022-07-21 15:03:04,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:03:04,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:03:04,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 15:03:04,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 15:03:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 15:03:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 15:03:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_remove [2022-07-21 15:03:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_remove [2022-07-21 15:03:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_led [2022-07-21 15:03:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_led [2022-07-21 15:03:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_alloc_rx_skbs [2022-07-21 15:03:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_alloc_rx_skbs [2022-07-21 15:03:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:03:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 15:03:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure rx_set_rss [2022-07-21 15:03:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_set_rss [2022-07-21 15:03:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_power_aux [2022-07-21 15:03:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_power_aux [2022-07-21 15:03:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 15:03:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 15:03:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-21 15:03:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-21 15:03:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 15:03:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 15:03:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_add_filter [2022-07-21 15:03:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_add_filter [2022-07-21 15:03:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 15:03:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 15:03:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-07-21 15:03:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-07-21 15:03:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size_set [2022-07-21 15:03:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size_set [2022-07-21 15:03:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 15:03:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 15:03:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 15:03:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 15:03:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_init_netdev [2022-07-21 15:03:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_init_netdev [2022-07-21 15:03:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 15:03:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 15:03:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 15:03:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 15:03:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure netif_schedule_queue [2022-07-21 15:03:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_schedule_queue [2022-07-21 15:03:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_regs_len [2022-07-21 15:03:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_regs_len [2022-07-21 15:03:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 15:03:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 15:03:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_update [2022-07-21 15:03:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_update [2022-07-21 15:03:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 15:03:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 15:03:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:03:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:03:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_ramset [2022-07-21 15:03:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_ramset [2022-07-21 15:03:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 15:03:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2022-07-21 15:03:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2022-07-21 15:03:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_netpoll [2022-07-21 15:03:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_netpoll [2022-07-21 15:03:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 15:03:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 15:03:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 15:03:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 15:03:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-21 15:03:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-21 15:03:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 15:03:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 15:03:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 15:03:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 15:03:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 15:03:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 15:03:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-07-21 15:03:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-07-21 15:03:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-21 15:03:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-21 15:03:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 15:03:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 15:03:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:03:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 15:03:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 15:03:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 15:03:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 15:03:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_add [2022-07-21 15:03:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_add [2022-07-21 15:03:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-07-21 15:03:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-07-21 15:03:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 15:03:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 15:03:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-07-21 15:03:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-07-21 15:03:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-21 15:03:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-21 15:03:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 15:03:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 15:03:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:03:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_map_skb [2022-07-21 15:03:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_map_skb [2022-07-21 15:03:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_resume [2022-07-21 15:03:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_resume [2022-07-21 15:03:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure roundup_ring_size [2022-07-21 15:03:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure roundup_ring_size [2022-07-21 15:03:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:03:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:03:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 15:03:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 15:03:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:03:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 15:03:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read32 [2022-07-21 15:03:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read32 [2022-07-21 15:03:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 15:03:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 15:03:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-07-21 15:03:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-07-21 15:03:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_clean [2022-07-21 15:03:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_clean [2022-07-21 15:03:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-21 15:03:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-21 15:03:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 15:03:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 15:03:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_down [2022-07-21 15:03:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_down [2022-07-21 15:03:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 15:03:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 15:03:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_reinit [2022-07-21 15:03:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_reinit [2022-07-21 15:03:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 15:03:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 15:03:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_read16 [2022-07-21 15:03:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_read16 [2022-07-21 15:03:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:03:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:03:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write16 [2022-07-21 15:03:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write16 [2022-07-21 15:03:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 15:03:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 15:03:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_free_buffers [2022-07-21 15:03:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_free_buffers [2022-07-21 15:03:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 15:03:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 15:03:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 15:03:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 15:03:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 15:03:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-21 15:03:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-21 15:03:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-21 15:03:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-21 15:03:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 15:03:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 15:03:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read32 [2022-07-21 15:03:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read32 [2022-07-21 15:03:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 15:03:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_multicast [2022-07-21 15:03:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_multicast [2022-07-21 15:03:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 15:03:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 15:03:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_prefetch_init [2022-07-21 15:03:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_prefetch_init [2022-07-21 15:03:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_reset [2022-07-21 15:03:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_reset [2022-07-21 15:03:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 15:03:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 15:03:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 15:03:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 15:03:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 15:03:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 15:03:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-07-21 15:03:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_sky2_port [2022-07-21 15:03:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 15:03:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 15:03:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 15:03:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 15:03:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 15:03:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 15:03:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vpd_wait [2022-07-21 15:03:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vpd_wait [2022-07-21 15:03:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 15:03:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 15:03:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_shutdown [2022-07-21 15:03:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_shutdown [2022-07-21 15:03:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read16 [2022-07-21 15:03:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read16 [2022-07-21 15:03:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_le [2022-07-21 15:03:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_le [2022-07-21 15:03:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_stop [2022-07-21 15:03:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_stop [2022-07-21 15:03:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:03:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 15:03:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 15:03:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:03:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_down [2022-07-21 15:03:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_down [2022-07-21 15:03:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 15:03:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 15:03:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure __gm_phy_read [2022-07-21 15:03:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __gm_phy_read [2022-07-21 15:03:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 15:03:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 15:03:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-21 15:03:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-21 15:03:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 15:03:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 15:03:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure gma_write16 [2022-07-21 15:03:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_write16 [2022-07-21 15:03:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 15:03:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 15:03:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_next_rx [2022-07-21 15:03:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_next_rx [2022-07-21 15:03:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 15:03:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 15:03:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-07-21 15:03:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-07-21 15:03:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_get_eeprom_len [2022-07-21 15:03:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_get_eeprom_len [2022-07-21 15:03:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 15:03:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 15:03:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-07-21 15:03:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-07-21 15:03:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 15:03:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_us2clk [2022-07-21 15:03:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_us2clk [2022-07-21 15:03:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:03:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:03:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-21 15:03:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-21 15:03:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-21 15:03:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-21 15:03:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-07-21 15:03:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-07-21 15:03:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 15:03:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 15:03:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-21 15:03:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-21 15:03:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 15:03:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 15:03:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_qset [2022-07-21 15:03:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_qset [2022-07-21 15:03:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_mhz [2022-07-21 15:03:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_mhz [2022-07-21 15:03:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 15:03:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 15:03:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 15:03:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 15:03:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 15:03:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 15:03:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats32 [2022-07-21 15:03:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats32 [2022-07-21 15:03:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:03:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:03:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 15:03:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 15:03:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_supported_modes [2022-07-21 15:03:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_supported_modes [2022-07-21 15:03:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_read [2022-07-21 15:03:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_read [2022-07-21 15:03:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_alloc [2022-07-21 15:03:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_alloc [2022-07-21 15:03:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-07-21 15:03:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-07-21 15:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-07-21 15:03:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-07-21 15:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:03:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:03:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_show_addr [2022-07-21 15:03:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_show_addr [2022-07-21 15:03:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 15:03:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 15:03:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_close [2022-07-21 15:03:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_close [2022-07-21 15:03:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 15:03:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 15:03:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:03:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:03:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_start [2022-07-21 15:03:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_start [2022-07-21 15:03:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:03:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-21 15:03:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-21 15:03:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure get_stats64 [2022-07-21 15:03:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stats64 [2022-07-21 15:03:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-21 15:03:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-21 15:03:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 15:03:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 15:03:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 15:03:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 15:03:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2022-07-21 15:03:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2022-07-21 15:03:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 15:03:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 15:03:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 15:03:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 15:03:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 15:03:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 15:03:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-07-21 15:03:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-07-21 15:03:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 15:03:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 15:03:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 15:03:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 15:03:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 15:03:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 15:03:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_hw_up [2022-07-21 15:03:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_hw_up [2022-07-21 15:03:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-21 15:03:04,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-21 15:03:04,384 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_unmap [2022-07-21 15:03:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_unmap [2022-07-21 15:03:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_put_idx [2022-07-21 15:03:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_put_idx [2022-07-21 15:03:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:03:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 15:03:04,385 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-07-21 15:03:04,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-07-21 15:03:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 15:03:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 15:03:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_power_up [2022-07-21 15:03:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_power_up [2022-07-21 15:03:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_phy_init [2022-07-21 15:03:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_phy_init [2022-07-21 15:03:04,386 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 15:03:04,386 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 15:03:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_complete [2022-07-21 15:03:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_complete [2022-07-21 15:03:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-21 15:03:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-21 15:03:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-21 15:03:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-21 15:03:04,387 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read16 [2022-07-21 15:03:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read16 [2022-07-21 15:03:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 15:03:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:03:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:03:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_all_up [2022-07-21 15:03:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_all_up [2022-07-21 15:03:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:03:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 15:03:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_tx_timeout [2022-07-21 15:03:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_tx_timeout [2022-07-21 15:03:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 15:03:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 15:03:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_wol_supported [2022-07-21 15:03:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_wol_supported [2022-07-21 15:03:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_pci_write32 [2022-07-21 15:03:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_pci_write32 [2022-07-21 15:03:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-21 15:03:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-21 15:03:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_submit [2022-07-21 15:03:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_submit [2022-07-21 15:03:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-21 15:03:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-21 15:03:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 15:03:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 15:03:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_vlan_mode [2022-07-21 15:03:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_vlan_mode [2022-07-21 15:03:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_read8 [2022-07-21 15:03:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_read8 [2022-07-21 15:03:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-21 15:03:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-21 15:03:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read32 [2022-07-21 15:03:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read32 [2022-07-21 15:03:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-07-21 15:03:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_sky2_port [2022-07-21 15:03:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure gma_set_addr [2022-07-21 15:03:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_set_addr [2022-07-21 15:03:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-21 15:03:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-21 15:03:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-21 15:03:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-21 15:03:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 15:03:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 15:03:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 15:03:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 15:03:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 15:03:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 15:03:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:03:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_nway_reset [2022-07-21 15:03:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_nway_reset [2022-07-21 15:03:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 15:03:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 15:03:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 15:03:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 15:03:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 15:03:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 15:03:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 15:03:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 15:03:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-21 15:03:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-21 15:03:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:03:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:03:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure tx_avail [2022-07-21 15:03:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_avail [2022-07-21 15:03:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_rx_unmap_skb [2022-07-21 15:03:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_rx_unmap_skb [2022-07-21 15:03:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 15:03:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 15:03:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_clk2us [2022-07-21 15:03:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_clk2us [2022-07-21 15:03:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_set_tx_stfwd [2022-07-21 15:03:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_set_tx_stfwd [2022-07-21 15:03:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_enable_rx_tx [2022-07-21 15:03:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_enable_rx_tx [2022-07-21 15:03:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 15:03:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 15:03:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-21 15:03:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-21 15:03:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-21 15:03:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sky2_cleanup_module_22_2 [2022-07-21 15:03:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 15:03:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 15:03:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_setup_irq [2022-07-21 15:03:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_setup_irq [2022-07-21 15:03:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 15:03:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 15:03:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-21 15:03:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-21 15:03:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-21 15:03:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-21 15:03:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_is_copper [2022-07-21 15:03:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_is_copper [2022-07-21 15:03:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 15:03:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 15:03:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_suspend [2022-07-21 15:03:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_suspend [2022-07-21 15:03:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-07-21 15:03:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-07-21 15:03:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-21 15:03:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-21 15:03:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write16 [2022-07-21 15:03:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write16 [2022-07-21 15:03:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:03:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:03:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 15:03:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 15:03:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write8 [2022-07-21 15:03:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write8 [2022-07-21 15:03:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure gm_phy_write [2022-07-21 15:03:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure gm_phy_write [2022-07-21 15:03:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-21 15:03:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-21 15:03:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 15:03:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 15:03:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_write32 [2022-07-21 15:03:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_write32 [2022-07-21 15:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 15:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure gma_read64 [2022-07-21 15:03:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure gma_read64 [2022-07-21 15:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 15:03:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 15:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 15:03:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 15:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure sky2_open [2022-07-21 15:03:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure sky2_open [2022-07-21 15:03:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 15:03:05,884 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:03:05,888 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:03:06,057 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:03:15,811 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 15:03:22,889 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:03:22,920 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:03:22,921 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-21 15:03:22,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:03:22 BoogieIcfgContainer [2022-07-21 15:03:22,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:03:22,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:03:22,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:03:22,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:03:22,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:02:53" (1/3) ... [2022-07-21 15:03:22,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0689e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:03:22, skipping insertion in model container [2022-07-21 15:03:22,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:03:02" (2/3) ... [2022-07-21 15:03:22,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0689e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:03:22, skipping insertion in model container [2022-07-21 15:03:22,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:03:22" (3/3) ... [2022-07-21 15:03:22,936 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-marvell-sky2.cil.i [2022-07-21 15:03:22,948 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:03:22,949 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 15:03:23,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:03:23,083 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@3d7f8ab5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@217e82ca [2022-07-21 15:03:23,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 15:03:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 4539 states, 3078 states have (on average 1.3235867446393763) internal successors, (4074), 3159 states have internal predecessors, (4074), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) [2022-07-21 15:03:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2022-07-21 15:03:23,133 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:03:23,134 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:03:23,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:03:23,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:03:23,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1356022128, now seen corresponding path program 1 times [2022-07-21 15:03:23,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:03:23,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378006267] [2022-07-21 15:03:23,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:03:23,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:03:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:03:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:03:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:03:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:03:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:03:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:03:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:03:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:03:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:03:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:03:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:03:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:03:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:03:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:03:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:03:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:03:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:03:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:03:24,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:03:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:03:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:03:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:03:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:03:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:03:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:03:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:03:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:03:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:03:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:03:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:03:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:03:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 15:03:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 15:03:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-21 15:03:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-21 15:03:25,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:03:25,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378006267] [2022-07-21 15:03:25,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378006267] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:03:25,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:03:25,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:03:25,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415009514] [2022-07-21 15:03:25,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:03:25,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:03:25,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:03:25,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:03:25,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:03:25,186 INFO L87 Difference]: Start difference. First operand has 4539 states, 3078 states have (on average 1.3235867446393763) internal successors, (4074), 3159 states have internal predecessors, (4074), 1244 states have call successors, (1244), 216 states have call predecessors, (1244), 215 states have return successors, (1234), 1209 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-21 15:03:40,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:03:42,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:03:42,043 INFO L93 Difference]: Finished difference Result 13771 states and 20401 transitions. [2022-07-21 15:03:42,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:03:42,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 382 [2022-07-21 15:03:42,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:03:42,144 INFO L225 Difference]: With dead ends: 13771 [2022-07-21 15:03:42,145 INFO L226 Difference]: Without dead ends: 9285 [2022-07-21 15:03:42,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:03:42,194 INFO L413 NwaCegarLoop]: 6623 mSDtfsCounter, 8094 mSDsluCounter, 6089 mSDsCounter, 0 mSdLazyCounter, 5390 mSolverCounterSat, 4168 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9254 SdHoareTripleChecker+Valid, 12712 SdHoareTripleChecker+Invalid, 9559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4168 IncrementalHoareTripleChecker+Valid, 5390 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:03:42,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9254 Valid, 12712 Invalid, 9559 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4168 Valid, 5390 Invalid, 1 Unknown, 0 Unchecked, 15.9s Time] [2022-07-21 15:03:42,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9285 states. [2022-07-21 15:03:42,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9285 to 8743. [2022-07-21 15:03:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8743 states, 5925 states have (on average 1.2840506329113923) internal successors, (7608), 6086 states have internal predecessors, (7608), 2389 states have call successors, (2389), 427 states have call predecessors, (2389), 426 states have return successors, (2385), 2335 states have call predecessors, (2385), 2385 states have call successors, (2385) [2022-07-21 15:03:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8743 states to 8743 states and 12382 transitions. [2022-07-21 15:03:42,768 INFO L78 Accepts]: Start accepts. Automaton has 8743 states and 12382 transitions. Word has length 382 [2022-07-21 15:03:42,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:03:42,770 INFO L495 AbstractCegarLoop]: Abstraction has 8743 states and 12382 transitions. [2022-07-21 15:03:42,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-21 15:03:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 8743 states and 12382 transitions. [2022-07-21 15:03:42,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2022-07-21 15:03:42,787 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:03:42,787 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:03:42,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 15:03:42,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:03:42,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:03:42,789 INFO L85 PathProgramCache]: Analyzing trace with hash 326842464, now seen corresponding path program 1 times [2022-07-21 15:03:42,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:03:42,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030856528] [2022-07-21 15:03:42,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:03:42,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:03:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:03:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:03:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:03:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:03:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:03:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:03:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:03:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:03:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:03:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:03:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:03:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:03:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:03:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:03:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:03:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:03:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:03:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:03:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:03:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:03:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:03:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:03:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:03:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:03:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:03:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:03:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:03:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:03:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:03:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:03:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:03:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 15:03:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 15:03:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-21 15:03:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 15:03:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:03:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:03:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-21 15:03:43,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:03:43,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030856528] [2022-07-21 15:03:43,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030856528] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:03:43,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:03:43,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:03:43,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113031969] [2022-07-21 15:03:43,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:03:43,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:03:43,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:03:43,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:03:43,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:03:43,976 INFO L87 Difference]: Start difference. First operand 8743 states and 12382 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 15:04:01,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:04:03,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:04:03,695 INFO L93 Difference]: Finished difference Result 21843 states and 31130 transitions. [2022-07-21 15:04:03,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:04:03,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 415 [2022-07-21 15:04:03,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:04:03,806 INFO L225 Difference]: With dead ends: 21843 [2022-07-21 15:04:03,807 INFO L226 Difference]: Without dead ends: 13169 [2022-07-21 15:04:03,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:04:03,864 INFO L413 NwaCegarLoop]: 6571 mSDtfsCounter, 7600 mSDsluCounter, 6114 mSDsCounter, 0 mSdLazyCounter, 5335 mSolverCounterSat, 4093 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8678 SdHoareTripleChecker+Valid, 12685 SdHoareTripleChecker+Invalid, 9429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4093 IncrementalHoareTripleChecker+Valid, 5335 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:04:03,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8678 Valid, 12685 Invalid, 9429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4093 Valid, 5335 Invalid, 1 Unknown, 0 Unchecked, 18.8s Time] [2022-07-21 15:04:03,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13169 states. [2022-07-21 15:04:04,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13169 to 12344. [2022-07-21 15:04:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12344 states, 8361 states have (on average 1.281066858031336) internal successors, (10711), 8586 states have internal predecessors, (10711), 3358 states have call successors, (3358), 624 states have call predecessors, (3358), 622 states have return successors, (3354), 3276 states have call predecessors, (3354), 3354 states have call successors, (3354) [2022-07-21 15:04:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12344 states to 12344 states and 17423 transitions. [2022-07-21 15:04:04,644 INFO L78 Accepts]: Start accepts. Automaton has 12344 states and 17423 transitions. Word has length 415 [2022-07-21 15:04:04,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:04:04,648 INFO L495 AbstractCegarLoop]: Abstraction has 12344 states and 17423 transitions. [2022-07-21 15:04:04,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 15:04:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 12344 states and 17423 transitions. [2022-07-21 15:04:04,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-21 15:04:04,662 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:04:04,662 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:04:04,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 15:04:04,663 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:04:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:04:04,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1572111467, now seen corresponding path program 1 times [2022-07-21 15:04:04,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:04:04,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424026936] [2022-07-21 15:04:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:04:04,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:04:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:04:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:04:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:04:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:04:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:04:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:04:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:04:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:04:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:04:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:04:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:04:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:04:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:04:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:04:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:04:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:04:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:04:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:04:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:04:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:04:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:04:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:04:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:04:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:04:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:04:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:04:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:04:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:04:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:04:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:04:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:04:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 15:04:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 15:04:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 15:04:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-21 15:04:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-21 15:04:05,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:04:05,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424026936] [2022-07-21 15:04:05,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424026936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:04:05,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:04:05,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:04:05,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928049989] [2022-07-21 15:04:05,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:04:05,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:04:05,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:04:05,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:04:05,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:04:05,747 INFO L87 Difference]: Start difference. First operand 12344 states and 17423 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 15:04:19,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:04:22,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:04:22,062 INFO L93 Difference]: Finished difference Result 37612 states and 53462 transitions. [2022-07-21 15:04:22,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:04:22,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 416 [2022-07-21 15:04:22,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:04:22,271 INFO L225 Difference]: With dead ends: 37612 [2022-07-21 15:04:22,272 INFO L226 Difference]: Without dead ends: 25337 [2022-07-21 15:04:22,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:04:22,362 INFO L413 NwaCegarLoop]: 7959 mSDtfsCounter, 7038 mSDsluCounter, 6373 mSDsCounter, 0 mSdLazyCounter, 5480 mSolverCounterSat, 3693 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8171 SdHoareTripleChecker+Valid, 14332 SdHoareTripleChecker+Invalid, 9174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3693 IncrementalHoareTripleChecker+Valid, 5480 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:04:22,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8171 Valid, 14332 Invalid, 9174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3693 Valid, 5480 Invalid, 1 Unknown, 0 Unchecked, 15.4s Time] [2022-07-21 15:04:22,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25337 states. [2022-07-21 15:04:23,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25337 to 23829. [2022-07-21 15:04:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23829 states, 16134 states have (on average 1.2795339035577042) internal successors, (20644), 16569 states have internal predecessors, (20644), 6475 states have call successors, (6475), 1220 states have call predecessors, (6475), 1217 states have return successors, (6471), 6318 states have call predecessors, (6471), 6471 states have call successors, (6471) [2022-07-21 15:04:23,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23829 states to 23829 states and 33590 transitions. [2022-07-21 15:04:23,697 INFO L78 Accepts]: Start accepts. Automaton has 23829 states and 33590 transitions. Word has length 416 [2022-07-21 15:04:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:04:23,699 INFO L495 AbstractCegarLoop]: Abstraction has 23829 states and 33590 transitions. [2022-07-21 15:04:23,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 15:04:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 23829 states and 33590 transitions. [2022-07-21 15:04:23,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-21 15:04:23,714 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:04:23,714 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 15:04:23,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 15:04:23,714 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:04:23,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:04:23,715 INFO L85 PathProgramCache]: Analyzing trace with hash -423110265, now seen corresponding path program 1 times [2022-07-21 15:04:23,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:04:23,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654211610] [2022-07-21 15:04:23,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:04:23,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:04:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:04:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:04:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:04:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:04:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:04:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:04:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:04:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:04:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:04:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:04:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:04:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:04:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:04:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:04:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:04:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:04:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:04:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:04:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:04:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:04:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:04:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:04:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:04:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:04:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:04:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:04:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:04:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:04:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:04:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:04:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:04:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 15:04:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 15:04:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 15:04:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-21 15:04:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2022-07-21 15:04:24,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:04:24,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654211610] [2022-07-21 15:04:24,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654211610] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:04:24,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:04:24,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:04:24,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432684800] [2022-07-21 15:04:24,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:04:24,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:04:24,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:04:24,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:04:24,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:04:24,791 INFO L87 Difference]: Start difference. First operand 23829 states and 33590 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 15:04:38,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:04:39,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:04:39,929 INFO L93 Difference]: Finished difference Result 60150 states and 84938 transitions. [2022-07-21 15:04:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:04:39,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 418 [2022-07-21 15:04:39,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:04:40,134 INFO L225 Difference]: With dead ends: 60150 [2022-07-21 15:04:40,134 INFO L226 Difference]: Without dead ends: 36390 [2022-07-21 15:04:40,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:04:40,224 INFO L413 NwaCegarLoop]: 6422 mSDtfsCounter, 6717 mSDsluCounter, 6018 mSDsCounter, 0 mSdLazyCounter, 5241 mSolverCounterSat, 3926 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7669 SdHoareTripleChecker+Valid, 12440 SdHoareTripleChecker+Invalid, 9168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3926 IncrementalHoareTripleChecker+Valid, 5241 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:04:40,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7669 Valid, 12440 Invalid, 9168 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3926 Valid, 5241 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2022-07-21 15:04:40,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36390 states. [2022-07-21 15:04:41,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36390 to 34191. [2022-07-21 15:04:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34191 states, 22786 states have (on average 1.2674449223207231) internal successors, (28880), 23424 states have internal predecessors, (28880), 9463 states have call successors, (9463), 1930 states have call predecessors, (9463), 1939 states have return successors, (9508), 9236 states have call predecessors, (9508), 9459 states have call successors, (9508) [2022-07-21 15:04:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34191 states to 34191 states and 47851 transitions. [2022-07-21 15:04:42,161 INFO L78 Accepts]: Start accepts. Automaton has 34191 states and 47851 transitions. Word has length 418 [2022-07-21 15:04:42,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:04:42,163 INFO L495 AbstractCegarLoop]: Abstraction has 34191 states and 47851 transitions. [2022-07-21 15:04:42,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-21 15:04:42,163 INFO L276 IsEmpty]: Start isEmpty. Operand 34191 states and 47851 transitions. [2022-07-21 15:04:42,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-07-21 15:04:42,172 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:04:42,173 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 32, 32, 32, 32, 32, 32, 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] [2022-07-21 15:04:42,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 15:04:42,173 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:04:42,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:04:42,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1992342949, now seen corresponding path program 1 times [2022-07-21 15:04:42,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:04:42,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658531659] [2022-07-21 15:04:42,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:04:42,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:04:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:04:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:04:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:04:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:04:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:04:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:04:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:04:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:04:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:04:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:04:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:04:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:04:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:04:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:04:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:04:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:04:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:04:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:04:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:04:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:04:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:42,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:04:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:04:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:04:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:04:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:04:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:04:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:04:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:04:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:04:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:04:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:04:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 15:04:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 15:04:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-21 15:04:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:04:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:04:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-21 15:04:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-21 15:04:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:04:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:04:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4564 trivial. 0 not checked. [2022-07-21 15:04:43,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:04:43,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658531659] [2022-07-21 15:04:43,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658531659] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:04:43,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:04:43,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:04:43,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397136501] [2022-07-21 15:04:43,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:04:43,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:04:43,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:04:43,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:04:43,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:04:43,379 INFO L87 Difference]: Start difference. First operand 34191 states and 47851 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-21 15:04:56,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:04:56,166 INFO L93 Difference]: Finished difference Result 92348 states and 130002 transitions. [2022-07-21 15:04:56,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:04:56,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 443 [2022-07-21 15:04:56,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:04:56,727 INFO L225 Difference]: With dead ends: 92348 [2022-07-21 15:04:56,727 INFO L226 Difference]: Without dead ends: 58226 [2022-07-21 15:04:56,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:04:56,880 INFO L413 NwaCegarLoop]: 7091 mSDtfsCounter, 7876 mSDsluCounter, 6323 mSDsCounter, 0 mSdLazyCounter, 5425 mSolverCounterSat, 4104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9034 SdHoareTripleChecker+Valid, 13414 SdHoareTripleChecker+Invalid, 9529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4104 IncrementalHoareTripleChecker+Valid, 5425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:04:56,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9034 Valid, 13414 Invalid, 9529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4104 Valid, 5425 Invalid, 0 Unknown, 0 Unchecked, 11.1s Time] [2022-07-21 15:04:57,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58226 states. [2022-07-21 15:04:59,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58226 to 55042. [2022-07-21 15:04:59,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55042 states, 36962 states have (on average 1.2685460743466264) internal successors, (46888), 38000 states have internal predecessors, (46888), 15008 states have call successors, (15008), 3050 states have call predecessors, (15008), 3069 states have return successors, (15102), 14628 states have call predecessors, (15102), 15004 states have call successors, (15102) [2022-07-21 15:04:59,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55042 states to 55042 states and 76998 transitions. [2022-07-21 15:04:59,889 INFO L78 Accepts]: Start accepts. Automaton has 55042 states and 76998 transitions. Word has length 443 [2022-07-21 15:04:59,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:04:59,890 INFO L495 AbstractCegarLoop]: Abstraction has 55042 states and 76998 transitions. [2022-07-21 15:04:59,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-21 15:04:59,891 INFO L276 IsEmpty]: Start isEmpty. Operand 55042 states and 76998 transitions. [2022-07-21 15:04:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-07-21 15:04:59,897 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:04:59,897 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 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] [2022-07-21 15:04:59,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 15:04:59,898 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:04:59,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:04:59,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1760882849, now seen corresponding path program 1 times [2022-07-21 15:04:59,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:04:59,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249665483] [2022-07-21 15:04:59,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:04:59,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:05:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:05:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:05:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:05:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:05:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:05:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:05:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:05:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:05:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:05:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:05:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:05:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:05:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:05:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:05:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:05:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:05:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:05:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:05:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:05:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:05:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:05:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:05:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:05:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:05:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:05:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:05:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:05:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:05:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:05:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:05:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:05:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 15:05:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 15:05:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 15:05:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 15:05:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 15:05:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 15:05:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:05:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 15:05:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 15:05:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 15:05:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5190 trivial. 0 not checked. [2022-07-21 15:05:01,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:05:01,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249665483] [2022-07-21 15:05:01,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249665483] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:05:01,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:05:01,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 15:05:01,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328426959] [2022-07-21 15:05:01,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:05:01,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 15:05:01,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:05:01,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 15:05:01,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 15:05:01,247 INFO L87 Difference]: Start difference. First operand 55042 states and 76998 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 15:05:17,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:05:18,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:05:18,513 INFO L93 Difference]: Finished difference Result 168546 states and 237405 transitions. [2022-07-21 15:05:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 15:05:18,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 454 [2022-07-21 15:05:18,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:05:19,397 INFO L225 Difference]: With dead ends: 168546 [2022-07-21 15:05:19,397 INFO L226 Difference]: Without dead ends: 114010 [2022-07-21 15:05:19,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:05:19,746 INFO L413 NwaCegarLoop]: 7961 mSDtfsCounter, 7627 mSDsluCounter, 6843 mSDsCounter, 0 mSdLazyCounter, 5386 mSolverCounterSat, 3816 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8776 SdHoareTripleChecker+Valid, 14804 SdHoareTripleChecker+Invalid, 9203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3816 IncrementalHoareTripleChecker+Valid, 5386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:05:19,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8776 Valid, 14804 Invalid, 9203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3816 Valid, 5386 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2022-07-21 15:05:19,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114010 states. [2022-07-21 15:05:23,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114010 to 107758. [2022-07-21 15:05:23,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107758 states, 72369 states have (on average 1.2695629344056156) internal successors, (91877), 74369 states have internal predecessors, (91877), 29374 states have call successors, (29374), 5965 states have call predecessors, (29374), 6012 states have return successors, (29566), 28695 states have call predecessors, (29566), 29370 states have call successors, (29566) [2022-07-21 15:05:24,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107758 states to 107758 states and 150817 transitions. [2022-07-21 15:05:24,388 INFO L78 Accepts]: Start accepts. Automaton has 107758 states and 150817 transitions. Word has length 454 [2022-07-21 15:05:24,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:05:24,389 INFO L495 AbstractCegarLoop]: Abstraction has 107758 states and 150817 transitions. [2022-07-21 15:05:24,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-21 15:05:24,390 INFO L276 IsEmpty]: Start isEmpty. Operand 107758 states and 150817 transitions. [2022-07-21 15:05:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-07-21 15:05:24,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:05:24,397 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 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] [2022-07-21 15:05:24,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 15:05:24,397 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:05:24,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:05:24,398 INFO L85 PathProgramCache]: Analyzing trace with hash 162345185, now seen corresponding path program 1 times [2022-07-21 15:05:24,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:05:24,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248291843] [2022-07-21 15:05:24,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:05:24,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:05:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:05:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:05:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:05:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:05:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:05:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:05:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:05:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:05:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:05:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:05:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:05:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:05:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:05:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:05:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:05:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:05:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:05:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:05:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:05:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:05:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:05:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:05:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:05:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:05:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:05:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:05:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:05:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:05:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:05:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:05:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:05:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 15:05:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 15:05:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 15:05:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 15:05:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 15:05:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 15:05:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:05:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 15:05:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:25,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 15:05:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 15:05:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 5202 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-21 15:05:26,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:05:26,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248291843] [2022-07-21 15:05:26,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248291843] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:05:26,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:05:26,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:05:26,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748830984] [2022-07-21 15:05:26,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:05:26,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:05:26,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:05:26,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:05:26,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:05:26,021 INFO L87 Difference]: Start difference. First operand 107758 states and 150817 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-21 15:05:39,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:05:41,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:05:43,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:05:43,058 INFO L93 Difference]: Finished difference Result 114764 states and 161669 transitions. [2022-07-21 15:05:43,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 15:05:43,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 454 [2022-07-21 15:05:43,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:05:43,702 INFO L225 Difference]: With dead ends: 114764 [2022-07-21 15:05:43,702 INFO L226 Difference]: Without dead ends: 114762 [2022-07-21 15:05:43,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:05:43,767 INFO L413 NwaCegarLoop]: 5875 mSDtfsCounter, 6557 mSDsluCounter, 9701 mSDsCounter, 0 mSdLazyCounter, 7048 mSolverCounterSat, 2939 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7189 SdHoareTripleChecker+Valid, 15576 SdHoareTripleChecker+Invalid, 9989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2939 IncrementalHoareTripleChecker+Valid, 7048 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:05:43,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7189 Valid, 15576 Invalid, 9989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2939 Valid, 7048 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2022-07-21 15:05:43,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114762 states. [2022-07-21 15:05:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114762 to 108512. [2022-07-21 15:05:47,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108512 states, 72876 states have (on average 1.2685383390965475) internal successors, (92446), 74908 states have internal predecessors, (92446), 29438 states have call successors, (29438), 6148 states have call predecessors, (29438), 6195 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2022-07-21 15:05:48,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108512 states to 108512 states and 151514 transitions. [2022-07-21 15:05:48,297 INFO L78 Accepts]: Start accepts. Automaton has 108512 states and 151514 transitions. Word has length 454 [2022-07-21 15:05:48,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:05:48,298 INFO L495 AbstractCegarLoop]: Abstraction has 108512 states and 151514 transitions. [2022-07-21 15:05:48,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-21 15:05:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 108512 states and 151514 transitions. [2022-07-21 15:05:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-07-21 15:05:48,306 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:05:48,306 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 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] [2022-07-21 15:05:48,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 15:05:48,307 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:05:48,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:05:48,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1451581504, now seen corresponding path program 1 times [2022-07-21 15:05:48,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:05:48,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754853367] [2022-07-21 15:05:48,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:05:48,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:05:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:05:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:48,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:05:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:48,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:48,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:05:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:05:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:05:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:05:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:05:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:05:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:05:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:05:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:05:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:05:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:05:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:05:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:05:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:05:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:05:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:05:49,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:05:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:05:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:05:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:05:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:05:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:05:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:05:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:05:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:05:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:05:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:05:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:05:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:05:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 15:05:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 15:05:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 15:05:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 15:05:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 15:05:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 15:05:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:05:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:05:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 15:05:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 15:05:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 15:05:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-21 15:05:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:05:49,761 INFO L134 CoverageAnalysis]: Checked inductivity of 5204 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5202 trivial. 0 not checked. [2022-07-21 15:05:49,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:05:49,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754853367] [2022-07-21 15:05:49,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754853367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:05:49,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:05:49,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:05:49,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610506047] [2022-07-21 15:05:49,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:05:49,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:05:49,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:05:49,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:05:49,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:05:49,764 INFO L87 Difference]: Start difference. First operand 108512 states and 151514 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 15:06:01,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:06:01,736 INFO L93 Difference]: Finished difference Result 114766 states and 161671 transitions. [2022-07-21 15:06:01,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:06:01,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 459 [2022-07-21 15:06:01,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:06:02,311 INFO L225 Difference]: With dead ends: 114766 [2022-07-21 15:06:02,311 INFO L226 Difference]: Without dead ends: 114764 [2022-07-21 15:06:02,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 15:06:02,388 INFO L413 NwaCegarLoop]: 5860 mSDtfsCounter, 6548 mSDsluCounter, 9705 mSDsCounter, 0 mSdLazyCounter, 6948 mSolverCounterSat, 2925 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7198 SdHoareTripleChecker+Valid, 15565 SdHoareTripleChecker+Invalid, 9873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2925 IncrementalHoareTripleChecker+Valid, 6948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-21 15:06:02,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7198 Valid, 15565 Invalid, 9873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2925 Valid, 6948 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-21 15:06:02,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114764 states. [2022-07-21 15:06:06,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114764 to 108516. [2022-07-21 15:06:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108516 states, 72879 states have (on average 1.2685272849517695) internal successors, (92449), 74911 states have internal predecessors, (92449), 29438 states have call successors, (29438), 6149 states have call predecessors, (29438), 6196 states have return successors, (29630), 28759 states have call predecessors, (29630), 29434 states have call successors, (29630) [2022-07-21 15:06:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108516 states to 108516 states and 151517 transitions. [2022-07-21 15:06:06,972 INFO L78 Accepts]: Start accepts. Automaton has 108516 states and 151517 transitions. Word has length 459 [2022-07-21 15:06:06,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:06:06,973 INFO L495 AbstractCegarLoop]: Abstraction has 108516 states and 151517 transitions. [2022-07-21 15:06:06,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-21 15:06:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 108516 states and 151517 transitions. [2022-07-21 15:06:06,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-07-21 15:06:06,981 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:06:06,981 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 33, 33, 33, 33, 33, 33, 4, 4, 4, 3, 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] [2022-07-21 15:06:06,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 15:06:06,982 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 15:06:06,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:06:06,982 INFO L85 PathProgramCache]: Analyzing trace with hash 327662593, now seen corresponding path program 1 times [2022-07-21 15:06:06,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:06:06,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087599673] [2022-07-21 15:06:06,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:06:06,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:06:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:06:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 15:06:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 15:06:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 15:06:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 15:06:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 15:06:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 15:06:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 15:06:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 15:06:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 15:06:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 15:06:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 15:06:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 15:06:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 15:06:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 15:06:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 15:06:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 15:06:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 15:06:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 15:06:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 15:06:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 15:06:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 15:06:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:06:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 15:06:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 15:06:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 15:06:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 15:06:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 15:06:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 15:06:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:07,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 15:06:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 15:06:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 15:06:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 15:06:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 15:06:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 15:06:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 15:06:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 15:06:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 15:06:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:06:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 15:06:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 15:06:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2022-07-21 15:06:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-21 15:06:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-21 15:06:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:06:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 5210 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5206 trivial. 0 not checked. [2022-07-21 15:06:08,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:06:08,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087599673] [2022-07-21 15:06:08,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087599673] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:06:08,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:06:08,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:06:08,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121908200] [2022-07-21 15:06:08,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:06:08,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:06:08,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:06:08,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:06:08,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:06:08,145 INFO L87 Difference]: Start difference. First operand 108516 states and 151517 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (46), 4 states have call predecessors, (46), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-21 15:06:20,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []