./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.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 fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:03:18,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:03:18,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:03:18,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:03:18,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:03:18,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:03:18,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:03:18,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:03:18,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:03:19,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:03:19,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:03:19,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:03:19,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:03:19,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:03:19,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:03:19,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:03:19,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:03:19,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:03:19,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:03:19,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:03:19,030 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:03:19,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:03:19,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:03:19,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:03:19,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:03:19,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:03:19,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:03:19,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:03:19,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:03:19,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:03:19,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:03:19,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:03:19,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:03:19,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:03:19,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:03:19,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:03:19,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:03:19,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:03:19,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:03:19,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:03:19,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:03:19,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:03:19,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:03:19,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:03:19,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:03:19,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:03:19,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:03:19,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:03:19,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:03:19,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:03:19,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:03:19,089 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:03:19,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:03:19,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:03:19,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:03:19,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:03:19,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:03:19,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:03:19,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:03:19,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:03:19,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:03:19,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:03:19,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:03:19,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:03:19,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:03:19,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:03:19,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:03:19,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:03:19,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:03:19,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:03:19,095 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:03:19,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:03:19,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:03:19,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fdbc5180119fad988a6a3a24d2f5ed804cbc2cd6d0e7bbb402b6d4dd37802e45 [2022-07-14 03:03:19,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:03:19,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:03:19,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:03:19,446 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:03:19,447 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:03:19,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-07-14 03:03:19,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feba2a4b1/1733a7741288420c9e3c2e0ec1530063/FLAGd66bef39b [2022-07-14 03:03:20,423 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:03:20,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-07-14 03:03:20,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feba2a4b1/1733a7741288420c9e3c2e0ec1530063/FLAGd66bef39b [2022-07-14 03:03:20,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feba2a4b1/1733a7741288420c9e3c2e0ec1530063 [2022-07-14 03:03:20,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:03:20,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:03:20,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:03:20,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:03:20,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:03:20,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:03:20" (1/1) ... [2022-07-14 03:03:20,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44914de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:20, skipping insertion in model container [2022-07-14 03:03:20,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:03:20" (1/1) ... [2022-07-14 03:03:20,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:03:21,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:03:24,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2022-07-14 03:03:24,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2022-07-14 03:03:24,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2022-07-14 03:03:24,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2022-07-14 03:03:24,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:03:24,641 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:03:25,525 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394320,394333] [2022-07-14 03:03:25,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394489,394502] [2022-07-14 03:03:25,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394656,394669] [2022-07-14 03:03:25,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i[394824,394837] [2022-07-14 03:03:25,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:03:25,734 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:03:25,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25 WrapperNode [2022-07-14 03:03:25,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:03:25,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:03:25,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:03:25,736 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:03:25,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:25,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:26,042 INFO L137 Inliner]: procedures = 495, calls = 2611, calls flagged for inlining = 242, calls inlined = 227, statements flattened = 5130 [2022-07-14 03:03:26,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:03:26,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:03:26,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:03:26,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:03:26,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:26,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:26,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:26,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:26,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:26,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:26,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:26,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:03:26,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:03:26,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:03:26,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:03:26,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (1/1) ... [2022-07-14 03:03:26,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:03:26,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:03:26,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 03:03:26,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 03:03:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_running_reset [2022-07-14 03:03:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_running_reset [2022-07-14 03:03:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 03:03:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 03:03:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_crc_length [2022-07-14 03:03:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_crc_length [2022-07-14 03:03:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:03:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:03:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dec_reset [2022-07-14 03:03:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dec_reset [2022-07-14 03:03:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_get_link_status [2022-07-14 03:03:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_get_link_status [2022-07-14 03:03:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 03:03:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 03:03:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:03:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:03:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_default [2022-07-14 03:03:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_default [2022-07-14 03:03:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkinput [2022-07-14 03:03:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkinput [2022-07-14 03:03:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 03:03:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 03:03:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_status [2022-07-14 03:03:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_status [2022-07-14 03:03:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_100ft [2022-07-14 03:03:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_100ft [2022-07-14 03:03:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_64 [2022-07-14 03:03:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_64 [2022-07-14 03:03:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set_1 [2022-07-14 03:03:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set_1 [2022-07-14 03:03:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-14 03:03:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-14 03:03:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_close [2022-07-14 03:03:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_close [2022-07-14 03:03:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_watchdog [2022-07-14 03:03:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_watchdog [2022-07-14 03:03:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_reset [2022-07-14 03:03:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_reset [2022-07-14 03:03:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_sc [2022-07-14 03:03:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_sc [2022-07-14 03:03:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_netif [2022-07-14 03:03:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_netif [2022-07-14 03:03:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:03:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:03:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:03:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:03:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_trace [2022-07-14 03:03:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_trace [2022-07-14 03:03:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_get_link_status [2022-07-14 03:03:26,493 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_get_link_status [2022-07-14 03:03:26,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:03:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-14 03:03:26,494 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-14 03:03:26,494 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:03:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:03:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 03:03:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 03:03:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 03:03:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_default [2022-07-14 03:03:26,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_default [2022-07-14 03:03:26,495 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_clock [2022-07-14 03:03:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_clock [2022-07-14 03:03:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 03:03:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:03:26,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:03:26,496 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_off [2022-07-14 03:03:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_off [2022-07-14 03:03:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 03:03:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-07-14 03:03:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-07-14 03:03:26,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:03:26,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_default [2022-07-14 03:03:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_default [2022-07-14 03:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:03:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:03:26,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:03:26,498 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_softreset [2022-07-14 03:03:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_softreset [2022-07-14 03:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110_bit [2022-07-14 03:03:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110_bit [2022-07-14 03:03:26,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:03:26,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:03:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-14 03:03:26,500 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-14 03:03:26,500 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_crc_length [2022-07-14 03:03:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_crc_length [2022-07-14 03:03:26,501 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_writereg [2022-07-14 03:03:26,501 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_writereg [2022-07-14 03:03:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 03:03:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 03:03:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-07-14 03:03:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-07-14 03:03:26,502 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_status [2022-07-14 03:03:26,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_status [2022-07-14 03:03:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:03:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:03:26,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:03:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 03:03:26,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 03:03:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:03:26,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:03:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:03:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:03:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:03:26,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-07-14 03:03:26,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lmc_lock_of_lmc___softc [2022-07-14 03:03:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:03:26,505 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_mii_readreg [2022-07-14 03:03:26,505 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_mii_readreg [2022-07-14 03:03:26,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:03:26,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:03:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-14 03:03:26,508 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-14 03:03:26,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 03:03:26,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 03:03:26,509 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_init [2022-07-14 03:03:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_init [2022-07-14 03:03:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 03:03:26,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 03:03:26,510 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_open [2022-07-14 03:03:26,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_open [2022-07-14 03:03:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 03:03:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 03:03:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:03:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:03:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_watchdog [2022-07-14 03:03:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_watchdog [2022-07-14 03:03:26,517 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_status [2022-07-14 03:03:26,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_status [2022-07-14 03:03:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_set_protocol [2022-07-14 03:03:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_set_protocol [2022-07-14 03:03:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_clock [2022-07-14 03:03:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_clock [2022-07-14 03:03:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-14 03:03:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-14 03:03:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:03:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:03:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_open [2022-07-14 03:03:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_open [2022-07-14 03:03:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:03:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:03:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:03:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:03:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-07-14 03:03:26,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lmc_driver_exit_17_2 [2022-07-14 03:03:26,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 03:03:26,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 03:03:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:03:26,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:03:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_get_link_status [2022-07-14 03:03:26,520 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_get_link_status [2022-07-14 03:03:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_set_circuit_type [2022-07-14 03:03:26,520 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_set_circuit_type [2022-07-14 03:03:26,520 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_status [2022-07-14 03:03:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_status [2022-07-14 03:03:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:03:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:03:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_get_link_status [2022-07-14 03:03:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_get_link_status [2022-07-14 03:03:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_init [2022-07-14 03:03:26,521 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_init [2022-07-14 03:03:26,521 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 03:03:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 03:03:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_set_scram [2022-07-14 03:03:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_set_scram [2022-07-14 03:03:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ds3_init [2022-07-14 03:03:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ds3_init [2022-07-14 03:03:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_gpio_mkoutput [2022-07-14 03:03:26,522 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_gpio_mkoutput [2022-07-14 03:03:26,522 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 03:03:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 03:03:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:03:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_driver_timeout [2022-07-14 03:03:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_driver_timeout [2022-07-14 03:03:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-07-14 03:03:26,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lmc_lock_of_lmc___softc [2022-07-14 03:03:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:03:26,523 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 03:03:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 03:03:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure write_av9110 [2022-07-14 03:03:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure write_av9110 [2022-07-14 03:03:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:03:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 03:03:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 03:03:26,524 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_speed [2022-07-14 03:03:26,524 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_speed [2022-07-14 03:03:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_crc_length [2022-07-14 03:03:26,525 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_crc_length [2022-07-14 03:03:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 03:03:26,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-14 03:03:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_type [2022-07-14 03:03:26,525 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_type [2022-07-14 03:03:26,525 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_remove_one [2022-07-14 03:03:26,525 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_remove_one [2022-07-14 03:03:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:03:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:03:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-14 03:03:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-14 03:03:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_write [2022-07-14 03:03:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_write [2022-07-14 03:03:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_close [2022-07-14 03:03:26,526 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_close [2022-07-14 03:03:26,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:03:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:03:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 03:03:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 03:03:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:03:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:03:26,527 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_link_status [2022-07-14 03:03:26,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_link_status [2022-07-14 03:03:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_watchdog [2022-07-14 03:03:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_watchdog [2022-07-14 03:03:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:03:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:03:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_watchdog [2022-07-14 03:03:26,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_watchdog [2022-07-14 03:03:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 03:03:26,528 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 03:03:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 03:03:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:03:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:03:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_link_status [2022-07-14 03:03:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_link_status [2022-07-14 03:03:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_init [2022-07-14 03:03:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_init [2022-07-14 03:03:26,529 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_proto_attach [2022-07-14 03:03:26,529 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_proto_attach [2022-07-14 03:03:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_t1_default [2022-07-14 03:03:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_t1_default [2022-07-14 03:03:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-14 03:03:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-14 03:03:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_ssi_set_crc_length [2022-07-14 03:03:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_ssi_set_crc_length [2022-07-14 03:03:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_hssi_set_clock [2022-07-14 03:03:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_hssi_set_clock [2022-07-14 03:03:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:03:26,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:03:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_dummy_set2_1 [2022-07-14 03:03:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_dummy_set2_1 [2022-07-14 03:03:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure lmc_led_on [2022-07-14 03:03:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lmc_led_on [2022-07-14 03:03:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-14 03:03:26,535 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-14 03:03:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 03:03:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 03:03:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 03:03:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-14 03:03:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-14 03:03:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:03:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:03:26,537 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-07-14 03:03:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-07-14 03:03:27,505 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:03:27,508 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:03:27,898 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:03:29,198 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call #t~mem1265#1.base, #t~mem1265#1.offset := read~$Pointer$(~sc#1.base, 141 + ~sc#1.offset, 8); [2022-07-14 03:03:29,198 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881: SUMMARY for call lmc_trace(#t~mem1265#1.base, #t~mem1265#1.offset, 129, 0); srcloc: null [2022-07-14 03:03:29,198 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L12881-1: havoc #t~mem1265#1.base, #t~mem1265#1.offset; [2022-07-14 03:03:31,850 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:03:31,969 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:03:32,001 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:03:32,001 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 03:03:32,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:03:32 BoogieIcfgContainer [2022-07-14 03:03:32,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:03:32,011 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:03:32,011 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:03:32,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:03:32,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:03:20" (1/3) ... [2022-07-14 03:03:32,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690438b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:03:32, skipping insertion in model container [2022-07-14 03:03:32,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:03:25" (2/3) ... [2022-07-14 03:03:32,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690438b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:03:32, skipping insertion in model container [2022-07-14 03:03:32,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:03:32" (3/3) ... [2022-07-14 03:03:32,017 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wan-lmc-lmc.cil.i [2022-07-14 03:03:32,031 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:03:32,032 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 03:03:32,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:03:32,193 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@68e88fdc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@606df97b [2022-07-14 03:03:32,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 03:03:32,205 INFO L276 IsEmpty]: Start isEmpty. Operand has 2572 states, 1679 states have (on average 1.3085169743895175) internal successors, (2197), 1749 states have internal predecessors, (2197), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) [2022-07-14 03:03:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-14 03:03:32,230 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:03:32,231 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:03:32,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:03:32,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:03:32,237 INFO L85 PathProgramCache]: Analyzing trace with hash -272079317, now seen corresponding path program 1 times [2022-07-14 03:03:32,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:03:32,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954110672] [2022-07-14 03:03:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:03:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:03:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:03:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:03:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:03:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:32,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:03:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:03:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:03:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:03:33,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:03:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:03:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:03:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:03:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:03:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:03:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:03:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:03:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 03:03:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 03:03:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:33,317 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 03:03:33,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:03:33,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954110672] [2022-07-14 03:03:33,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954110672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:03:33,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:03:33,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:03:33,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318892625] [2022-07-14 03:03:33,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:03:33,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:03:33,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:03:33,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:03:33,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:03:33,398 INFO L87 Difference]: Start difference. First operand has 2572 states, 1679 states have (on average 1.3085169743895175) internal successors, (2197), 1749 states have internal predecessors, (2197), 772 states have call successors, (772), 119 states have call predecessors, (772), 118 states have return successors, (765), 722 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 03:03:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:03:42,371 INFO L93 Difference]: Finished difference Result 7722 states and 11425 transitions. [2022-07-14 03:03:42,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:03:42,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 195 [2022-07-14 03:03:42,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:03:42,446 INFO L225 Difference]: With dead ends: 7722 [2022-07-14 03:03:42,446 INFO L226 Difference]: Without dead ends: 5174 [2022-07-14 03:03:42,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:03:42,482 INFO L413 NwaCegarLoop]: 3735 mSDtfsCounter, 4564 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 3554 mSolverCounterSat, 2642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5301 SdHoareTripleChecker+Valid, 6679 SdHoareTripleChecker+Invalid, 6196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2642 IncrementalHoareTripleChecker+Valid, 3554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:03:42,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5301 Valid, 6679 Invalid, 6196 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2642 Valid, 3554 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-07-14 03:03:42,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5174 states. [2022-07-14 03:03:42,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5174 to 4982. [2022-07-14 03:03:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4982 states, 3267 states have (on average 1.2898683807774718) internal successors, (4214), 3406 states have internal predecessors, (4214), 1480 states have call successors, (1480), 233 states have call predecessors, (1480), 232 states have return successors, (1476), 1390 states have call predecessors, (1476), 1476 states have call successors, (1476) [2022-07-14 03:03:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4982 states to 4982 states and 7170 transitions. [2022-07-14 03:03:42,998 INFO L78 Accepts]: Start accepts. Automaton has 4982 states and 7170 transitions. Word has length 195 [2022-07-14 03:03:43,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:03:43,002 INFO L495 AbstractCegarLoop]: Abstraction has 4982 states and 7170 transitions. [2022-07-14 03:03:43,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 03:03:43,003 INFO L276 IsEmpty]: Start isEmpty. Operand 4982 states and 7170 transitions. [2022-07-14 03:03:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-14 03:03:43,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:03:43,018 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:03:43,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 03:03:43,019 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)] === [2022-07-14 03:03:43,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:03:43,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1611944012, now seen corresponding path program 1 times [2022-07-14 03:03:43,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:03:43,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903750242] [2022-07-14 03:03:43,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:03:43,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:03:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:03:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:03:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:03:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:03:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:03:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:03:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:03:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:03:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:03:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:03:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:03:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:03:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:03:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:03:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:03:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 03:03:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-14 03:03:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 03:03:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 03:03:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 03:03:43,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:03:43,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903750242] [2022-07-14 03:03:43,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903750242] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:03:43,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:03:43,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:03:43,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485970495] [2022-07-14 03:03:43,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:03:43,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:03:43,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:03:43,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:03:43,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:03:43,674 INFO L87 Difference]: Start difference. First operand 4982 states and 7170 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-14 03:03:51,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:03:51,603 INFO L93 Difference]: Finished difference Result 14832 states and 21449 transitions. [2022-07-14 03:03:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:03:51,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 206 [2022-07-14 03:03:51,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:03:51,701 INFO L225 Difference]: With dead ends: 14832 [2022-07-14 03:03:51,702 INFO L226 Difference]: Without dead ends: 9885 [2022-07-14 03:03:51,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:03:51,743 INFO L413 NwaCegarLoop]: 3731 mSDtfsCounter, 4320 mSDsluCounter, 2999 mSDsCounter, 0 mSdLazyCounter, 3510 mSolverCounterSat, 2645 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5024 SdHoareTripleChecker+Valid, 6730 SdHoareTripleChecker+Invalid, 6155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2645 IncrementalHoareTripleChecker+Valid, 3510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:03:51,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5024 Valid, 6730 Invalid, 6155 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2645 Valid, 3510 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-07-14 03:03:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9885 states. [2022-07-14 03:03:52,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9885 to 9491. [2022-07-14 03:03:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9491 states, 6188 states have (on average 1.2868455074337428) internal successors, (7963), 6464 states have internal predecessors, (7963), 2843 states have call successors, (2843), 454 states have call predecessors, (2843), 457 states have return successors, (2879), 2660 states have call predecessors, (2879), 2839 states have call successors, (2879) [2022-07-14 03:03:52,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9491 states to 9491 states and 13685 transitions. [2022-07-14 03:03:52,396 INFO L78 Accepts]: Start accepts. Automaton has 9491 states and 13685 transitions. Word has length 206 [2022-07-14 03:03:52,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:03:52,397 INFO L495 AbstractCegarLoop]: Abstraction has 9491 states and 13685 transitions. [2022-07-14 03:03:52,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-14 03:03:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 9491 states and 13685 transitions. [2022-07-14 03:03:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-14 03:03:52,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:03:52,405 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:03:52,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 03:03:52,405 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)] === [2022-07-14 03:03:52,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:03:52,406 INFO L85 PathProgramCache]: Analyzing trace with hash -358107381, now seen corresponding path program 1 times [2022-07-14 03:03:52,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:03:52,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449940137] [2022-07-14 03:03:52,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:03:52,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:03:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:03:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:03:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:03:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:03:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:03:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:03:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:03:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:03:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:03:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:03:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:03:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:03:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:03:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:03:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:03:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 03:03:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:03:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:03:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:03:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:03:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 03:03:53,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:03:53,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449940137] [2022-07-14 03:03:53,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449940137] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:03:53,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:03:53,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:03:53,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996407678] [2022-07-14 03:03:53,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:03:53,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:03:53,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:03:53,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:03:53,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:03:53,014 INFO L87 Difference]: Start difference. First operand 9491 states and 13685 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:04:00,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:04:00,490 INFO L93 Difference]: Finished difference Result 27559 states and 39784 transitions. [2022-07-14 03:04:00,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:04:00,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 209 [2022-07-14 03:04:00,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:04:00,665 INFO L225 Difference]: With dead ends: 27559 [2022-07-14 03:04:00,665 INFO L226 Difference]: Without dead ends: 18103 [2022-07-14 03:04:00,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:04:00,761 INFO L413 NwaCegarLoop]: 3725 mSDtfsCounter, 4136 mSDsluCounter, 3005 mSDsCounter, 0 mSdLazyCounter, 3428 mSolverCounterSat, 2530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4741 SdHoareTripleChecker+Valid, 6730 SdHoareTripleChecker+Invalid, 5958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2530 IncrementalHoareTripleChecker+Valid, 3428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-14 03:04:00,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4741 Valid, 6730 Invalid, 5958 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2530 Valid, 3428 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-07-14 03:04:00,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18103 states. [2022-07-14 03:04:01,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18103 to 17685. [2022-07-14 03:04:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17685 states, 11562 states have (on average 1.2823905898633454) internal successors, (14827), 12088 states have internal predecessors, (14827), 5195 states have call successors, (5195), 886 states have call predecessors, (5195), 925 states have return successors, (5451), 4850 states have call predecessors, (5451), 5191 states have call successors, (5451) [2022-07-14 03:04:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17685 states to 17685 states and 25473 transitions. [2022-07-14 03:04:01,770 INFO L78 Accepts]: Start accepts. Automaton has 17685 states and 25473 transitions. Word has length 209 [2022-07-14 03:04:01,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:04:01,772 INFO L495 AbstractCegarLoop]: Abstraction has 17685 states and 25473 transitions. [2022-07-14 03:04:01,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:04:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 17685 states and 25473 transitions. [2022-07-14 03:04:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-07-14 03:04:01,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:04:01,780 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:04:01,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 03:04:01,780 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)] === [2022-07-14 03:04:01,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:04:01,781 INFO L85 PathProgramCache]: Analyzing trace with hash -24419271, now seen corresponding path program 1 times [2022-07-14 03:04:01,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:04:01,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270753563] [2022-07-14 03:04:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:04:01,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:04:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:04:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:04:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:04:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:04:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:04:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:04:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:04:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:04:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:04:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:04:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:04:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:04:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:04:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:04:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:04:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 03:04:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 03:04:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 03:04:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 03:04:02,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:04:02,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270753563] [2022-07-14 03:04:02,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270753563] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:04:02,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:04:02,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 03:04:02,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38258555] [2022-07-14 03:04:02,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:04:02,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 03:04:02,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:04:02,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 03:04:02,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:04:02,302 INFO L87 Difference]: Start difference. First operand 17685 states and 25473 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:04:20,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:04:20,235 INFO L93 Difference]: Finished difference Result 46793 states and 67476 transitions. [2022-07-14 03:04:20,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 03:04:20,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 212 [2022-07-14 03:04:20,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:04:20,464 INFO L225 Difference]: With dead ends: 46793 [2022-07-14 03:04:20,464 INFO L226 Difference]: Without dead ends: 29143 [2022-07-14 03:04:20,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-07-14 03:04:20,584 INFO L413 NwaCegarLoop]: 4748 mSDtfsCounter, 15837 mSDsluCounter, 4195 mSDsCounter, 0 mSdLazyCounter, 8878 mSolverCounterSat, 10005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17187 SdHoareTripleChecker+Valid, 8943 SdHoareTripleChecker+Invalid, 18883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10005 IncrementalHoareTripleChecker+Valid, 8878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:04:20,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17187 Valid, 8943 Invalid, 18883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10005 Valid, 8878 Invalid, 0 Unknown, 0 Unchecked, 16.3s Time] [2022-07-14 03:04:20,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29143 states. [2022-07-14 03:04:21,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29143 to 28367. [2022-07-14 03:04:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28367 states, 18542 states have (on average 1.2843274727645346) internal successors, (23814), 19436 states have internal predecessors, (23814), 8306 states have call successors, (8306), 1463 states have call predecessors, (8306), 1516 states have return successors, (8616), 7683 states have call predecessors, (8616), 8302 states have call successors, (8616) [2022-07-14 03:04:22,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28367 states to 28367 states and 40736 transitions. [2022-07-14 03:04:22,145 INFO L78 Accepts]: Start accepts. Automaton has 28367 states and 40736 transitions. Word has length 212 [2022-07-14 03:04:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:04:22,146 INFO L495 AbstractCegarLoop]: Abstraction has 28367 states and 40736 transitions. [2022-07-14 03:04:22,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:04:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 28367 states and 40736 transitions. [2022-07-14 03:04:22,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2022-07-14 03:04:22,153 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:04:22,153 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:04:22,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 03:04:22,153 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)] === [2022-07-14 03:04:22,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:04:22,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1133226744, now seen corresponding path program 1 times [2022-07-14 03:04:22,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:04:22,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982379733] [2022-07-14 03:04:22,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:04:22,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:04:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:04:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:04:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:04:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:04:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:04:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:04:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:04:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:04:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:04:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:04:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:04:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:04:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:04:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:04:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:04:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 03:04:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 03:04:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 03:04:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 03:04:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:22,620 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 03:04:22,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:04:22,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982379733] [2022-07-14 03:04:22,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982379733] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:04:22,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:04:22,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:04:22,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486845478] [2022-07-14 03:04:22,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:04:22,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:04:22,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:04:22,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:04:22,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:04:22,623 INFO L87 Difference]: Start difference. First operand 28367 states and 40736 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-14 03:04:30,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:04:30,556 INFO L93 Difference]: Finished difference Result 84667 states and 121759 transitions. [2022-07-14 03:04:30,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:04:30,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 212 [2022-07-14 03:04:30,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:04:31,370 INFO L225 Difference]: With dead ends: 84667 [2022-07-14 03:04:31,371 INFO L226 Difference]: Without dead ends: 56335 [2022-07-14 03:04:31,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:04:31,558 INFO L413 NwaCegarLoop]: 3918 mSDtfsCounter, 4420 mSDsluCounter, 3059 mSDsCounter, 0 mSdLazyCounter, 3440 mSolverCounterSat, 2612 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5139 SdHoareTripleChecker+Valid, 6977 SdHoareTripleChecker+Invalid, 6052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2612 IncrementalHoareTripleChecker+Valid, 3440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:04:31,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5139 Valid, 6977 Invalid, 6052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2612 Valid, 3440 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-14 03:04:31,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56335 states. [2022-07-14 03:04:33,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56335 to 54811. [2022-07-14 03:04:33,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54811 states, 35777 states have (on average 1.2857422366324733) internal successors, (46000), 37551 states have internal predecessors, (46000), 16056 states have call successors, (16056), 2872 states have call predecessors, (16056), 2975 states have return successors, (16640), 14805 states have call predecessors, (16640), 16052 states have call successors, (16640) [2022-07-14 03:04:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54811 states to 54811 states and 78696 transitions. [2022-07-14 03:04:34,983 INFO L78 Accepts]: Start accepts. Automaton has 54811 states and 78696 transitions. Word has length 212 [2022-07-14 03:04:34,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:04:34,988 INFO L495 AbstractCegarLoop]: Abstraction has 54811 states and 78696 transitions. [2022-07-14 03:04:34,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-14 03:04:34,989 INFO L276 IsEmpty]: Start isEmpty. Operand 54811 states and 78696 transitions. [2022-07-14 03:04:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-07-14 03:04:35,005 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:04:35,006 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2022-07-14 03:04:35,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 03:04:35,006 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:04:35,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:04:35,007 INFO L85 PathProgramCache]: Analyzing trace with hash -846222569, now seen corresponding path program 1 times [2022-07-14 03:04:35,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:04:35,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474344945] [2022-07-14 03:04:35,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:04:35,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:04:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:04:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:04:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:04:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:04:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:04:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:04:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:04:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:04:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:04:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:04:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:04:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:04:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:04:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:04:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:04:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 03:04:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 03:04:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-14 03:04:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 03:04:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 03:04:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 03:04:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:35,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1049 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2022-07-14 03:04:35,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:04:35,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474344945] [2022-07-14 03:04:35,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474344945] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:04:35,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:04:35,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:04:35,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234419691] [2022-07-14 03:04:35,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:04:35,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:04:35,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:04:35,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:04:35,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:04:35,586 INFO L87 Difference]: Start difference. First operand 54811 states and 78696 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 03:04:45,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:04:45,999 INFO L93 Difference]: Finished difference Result 154870 states and 222952 transitions. [2022-07-14 03:04:46,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:04:46,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 239 [2022-07-14 03:04:46,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:04:47,113 INFO L225 Difference]: With dead ends: 154870 [2022-07-14 03:04:47,114 INFO L226 Difference]: Without dead ends: 100094 [2022-07-14 03:04:47,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:04:47,488 INFO L413 NwaCegarLoop]: 3915 mSDtfsCounter, 4543 mSDsluCounter, 3102 mSDsCounter, 0 mSdLazyCounter, 3548 mSolverCounterSat, 2633 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5287 SdHoareTripleChecker+Valid, 7017 SdHoareTripleChecker+Invalid, 6181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2633 IncrementalHoareTripleChecker+Valid, 3548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:04:47,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5287 Valid, 7017 Invalid, 6181 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2633 Valid, 3548 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-14 03:04:47,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100094 states. [2022-07-14 03:04:51,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100094 to 97890. [2022-07-14 03:04:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97890 states, 63799 states have (on average 1.2853963228263765) internal successors, (82007), 66976 states have internal predecessors, (82007), 28802 states have call successors, (28802), 5085 states have call predecessors, (28802), 5286 states have return successors, (29960), 26570 states have call predecessors, (29960), 28798 states have call successors, (29960) [2022-07-14 03:04:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97890 states to 97890 states and 140769 transitions. [2022-07-14 03:04:52,547 INFO L78 Accepts]: Start accepts. Automaton has 97890 states and 140769 transitions. Word has length 239 [2022-07-14 03:04:52,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:04:52,548 INFO L495 AbstractCegarLoop]: Abstraction has 97890 states and 140769 transitions. [2022-07-14 03:04:52,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 03:04:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 97890 states and 140769 transitions. [2022-07-14 03:04:52,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 03:04:52,562 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:04:52,562 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 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] [2022-07-14 03:04:52,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 03:04:52,563 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:04:52,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:04:52,563 INFO L85 PathProgramCache]: Analyzing trace with hash 116533991, now seen corresponding path program 1 times [2022-07-14 03:04:52,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:04:52,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778240138] [2022-07-14 03:04:52,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:04:52,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:04:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:04:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:04:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:04:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:04:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:04:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:04:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:04:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:04:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:04:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:04:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:04:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:04:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:04:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:04:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:04:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 03:04:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 03:04:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 03:04:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:04:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 03:04:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:04:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 03:04:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 03:04:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-14 03:04:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:04:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2022-07-14 03:04:53,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:04:53,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778240138] [2022-07-14 03:04:53,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778240138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:04:53,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:04:53,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:04:53,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656525505] [2022-07-14 03:04:53,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:04:53,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:04:53,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:04:53,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:04:53,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:04:53,410 INFO L87 Difference]: Start difference. First operand 97890 states and 140769 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 03:05:06,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:05:06,245 INFO L93 Difference]: Finished difference Result 292464 states and 421601 transitions. [2022-07-14 03:05:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:05:06,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 253 [2022-07-14 03:05:06,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:05:08,605 INFO L225 Difference]: With dead ends: 292464 [2022-07-14 03:05:08,606 INFO L226 Difference]: Without dead ends: 195624 [2022-07-14 03:05:09,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:05:09,324 INFO L413 NwaCegarLoop]: 5247 mSDtfsCounter, 3839 mSDsluCounter, 3471 mSDsCounter, 0 mSdLazyCounter, 3551 mSolverCounterSat, 2220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4567 SdHoareTripleChecker+Valid, 8718 SdHoareTripleChecker+Invalid, 5771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2220 IncrementalHoareTripleChecker+Valid, 3551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:05:09,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4567 Valid, 8718 Invalid, 5771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2220 Valid, 3551 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-07-14 03:05:09,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195624 states. [2022-07-14 03:05:17,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195624 to 191360. [2022-07-14 03:05:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191360 states, 124675 states have (on average 1.2857669941848806) internal successors, (160303), 130770 states have internal predecessors, (160303), 56322 states have call successors, (56322), 9925 states have call predecessors, (56322), 10360 states have return successors, (58642), 52142 states have call predecessors, (58642), 56318 states have call successors, (58642) [2022-07-14 03:05:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191360 states to 191360 states and 275267 transitions. [2022-07-14 03:05:20,247 INFO L78 Accepts]: Start accepts. Automaton has 191360 states and 275267 transitions. Word has length 253 [2022-07-14 03:05:20,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:05:20,248 INFO L495 AbstractCegarLoop]: Abstraction has 191360 states and 275267 transitions. [2022-07-14 03:05:20,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 03:05:20,248 INFO L276 IsEmpty]: Start isEmpty. Operand 191360 states and 275267 transitions. [2022-07-14 03:05:20,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 03:05:20,265 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:05:20,265 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 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] [2022-07-14 03:05:20,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 03:05:20,266 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:05:20,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:05:20,266 INFO L85 PathProgramCache]: Analyzing trace with hash 2039762025, now seen corresponding path program 1 times [2022-07-14 03:05:20,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:05:20,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316535334] [2022-07-14 03:05:20,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:05:20,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:05:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:05:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:05:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:05:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:05:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:05:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:05:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:05:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:05:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:05:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:05:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:05:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:05:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:05:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:05:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:05:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 03:05:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 03:05:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 03:05:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 03:05:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:21,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 03:05:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:05:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-14 03:05:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-14 03:05:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-14 03:05:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:05:21,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2022-07-14 03:05:21,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:05:21,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316535334] [2022-07-14 03:05:21,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316535334] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:05:21,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:05:21,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 03:05:21,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952562046] [2022-07-14 03:05:21,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:05:21,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 03:05:21,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:05:21,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 03:05:21,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 03:05:21,078 INFO L87 Difference]: Start difference. First operand 191360 states and 275267 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 03:05:32,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:05:32,776 INFO L93 Difference]: Finished difference Result 195626 states and 282015 transitions. [2022-07-14 03:05:32,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 03:05:32,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 253 [2022-07-14 03:05:32,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:05:34,671 INFO L225 Difference]: With dead ends: 195626 [2022-07-14 03:05:34,672 INFO L226 Difference]: Without dead ends: 195624 [2022-07-14 03:05:34,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:05:34,849 INFO L413 NwaCegarLoop]: 3335 mSDtfsCounter, 3626 mSDsluCounter, 4778 mSDsCounter, 0 mSdLazyCounter, 4699 mSolverCounterSat, 1911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3994 SdHoareTripleChecker+Valid, 8113 SdHoareTripleChecker+Invalid, 6610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1911 IncrementalHoareTripleChecker+Valid, 4699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:05:34,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3994 Valid, 8113 Invalid, 6610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1911 Valid, 4699 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-14 03:05:35,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195624 states.