./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.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 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:12:12,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:12:12,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:12:12,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:12:12,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:12:12,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:12:12,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:12:12,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:12:12,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:12:12,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:12:12,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:12:12,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:12:12,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:12:12,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:12:12,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:12:12,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:12:12,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:12:12,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:12:12,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:12:12,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:12:12,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:12:12,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:12:12,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:12:12,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:12:12,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:12:12,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:12:12,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:12:12,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:12:12,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:12:12,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:12:12,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:12:12,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:12:12,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:12:12,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:12:12,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:12:12,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:12:12,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:12:12,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:12:12,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:12:12,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:12:12,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:12:12,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:12:12,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:12:12,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:12:12,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:12:12,185 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:12:12,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:12:12,186 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:12:12,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:12:12,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:12:12,188 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:12:12,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:12:12,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:12:12,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:12:12,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:12:12,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:12:12,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:12:12,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:12:12,190 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:12:12,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:12:12,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:12:12,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:12:12,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:12:12,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:12:12,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:12:12,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:12:12,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:12:12,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:12:12,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:12:12,192 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:12:12,192 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:12:12,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:12:12,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6081258d9228cc20a54c5db1ec40347e5dbacbb2bb40755a07881673d13b875b [2021-12-28 05:12:12,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:12:12,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:12:12,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:12:12,547 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:12:12,548 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:12:12,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-12-28 05:12:12,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439e19ca2/0c88e5bc02e4488d8f42d70a60ef26fb/FLAG0a22fd9d7 [2021-12-28 05:12:13,436 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:12:13,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-12-28 05:12:13,484 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439e19ca2/0c88e5bc02e4488d8f42d70a60ef26fb/FLAG0a22fd9d7 [2021-12-28 05:12:13,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439e19ca2/0c88e5bc02e4488d8f42d70a60ef26fb [2021-12-28 05:12:13,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:12:13,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:12:13,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:12:13,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:12:13,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:12:13,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:12:13" (1/1) ... [2021-12-28 05:12:13,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a71782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:13, skipping insertion in model container [2021-12-28 05:12:13,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:12:13" (1/1) ... [2021-12-28 05:12:13,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:12:14,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:12:17,014 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2021-12-28 05:12:17,016 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2021-12-28 05:12:17,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2021-12-28 05:12:17,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2021-12-28 05:12:17,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:12:17,111 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:12:17,546 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386207,386220] [2021-12-28 05:12:17,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386376,386389] [2021-12-28 05:12:17,548 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386543,386556] [2021-12-28 05:12:17,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i[386711,386724] [2021-12-28 05:12:17,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:12:17,888 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:12:17,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17 WrapperNode [2021-12-28 05:12:17,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:12:17,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:12:17,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:12:17,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:12:17,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:17,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:18,192 INFO L137 Inliner]: procedures = 512, calls = 2538, calls flagged for inlining = 248, calls inlined = 216, statements flattened = 5394 [2021-12-28 05:12:18,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:12:18,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:12:18,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:12:18,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:12:18,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:18,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:18,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:18,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:18,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:18,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:18,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:18,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:12:18,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:12:18,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:12:18,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:12:18,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (1/1) ... [2021-12-28 05:12:18,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:12:18,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:12:18,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 05:12:18,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 05:12:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure drain_rx [2021-12-28 05:12:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_rx [2021-12-28 05:12:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-28 05:12:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-28 05:12:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-28 05:12:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_write [2021-12-28 05:12:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_write [2021-12-28 05:12:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 05:12:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 05:12:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:12:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:12:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 05:12:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 05:12:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_done [2021-12-28 05:12:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_done [2021-12-28 05:12:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 05:12:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 05:12:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:12:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:12:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_rx [2021-12-28 05:12:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_rx [2021-12-28 05:12:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 05:12:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 05:12:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:12:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:12:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_ring [2021-12-28 05:12:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_ring [2021-12-28 05:12:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 05:12:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 05:12:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:12:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:12:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 05:12:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 05:12:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:12:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:12:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 05:12:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 05:12:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 05:12:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 05:12:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:12:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:12:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:12:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:12:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 05:12:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 05:12:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:12:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:12:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:12:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:12:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-12-28 05:12:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-12-28 05:12:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 05:12:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 05:12:18,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 05:12:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 05:12:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:12:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 05:12:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 05:12:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-28 05:12:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-28 05:12:18,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-28 05:12:18,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-28 05:12:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-12-28 05:12:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-12-28 05:12:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:12:18,643 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:12:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_stop_rxtx [2021-12-28 05:12:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_stop_rxtx [2021-12-28 05:12:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure ns_tx_timeout [2021-12-28 05:12:18,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_tx_timeout [2021-12-28 05:12:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:12:18,644 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:12:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:12:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-28 05:12:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-28 05:12:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_reset [2021-12-28 05:12:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_reset [2021-12-28 05:12:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:12:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:12:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:12:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:12:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-28 05:12:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-28 05:12:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:12:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:12:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure move_int_phy [2021-12-28 05:12:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure move_int_phy [2021-12-28 05:12:18,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:12:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:12:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:12:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:12:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:12:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:12:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:12:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:12:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure enable_wol_mode [2021-12-28 05:12:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_wol_mode [2021-12-28 05:12:18,649 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_resume [2021-12-28 05:12:18,649 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_resume [2021-12-28 05:12:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-28 05:12:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-28 05:12:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:12:18,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:12:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:12:18,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:12:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:12:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 05:12:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 05:12:18,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 05:12:18,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 05:12:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:12:18,652 INFO L130 BoogieDeclarations]: Found specification of procedure mii_getbit [2021-12-28 05:12:18,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_getbit [2021-12-28 05:12:18,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:12:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:12:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:12:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:12:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:12:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:12:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:12:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 05:12:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 05:12:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_poll_controller [2021-12-28 05:12:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_poll_controller [2021-12-28 05:12:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 05:12:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 05:12:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure check_link [2021-12-28 05:12:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure check_link [2021-12-28 05:12:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-28 05:12:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-28 05:12:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:12:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:12:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:12:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:12:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 05:12:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 05:12:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:12:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:12:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure init_phy_fixup [2021-12-28 05:12:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure init_phy_fixup [2021-12-28 05:12:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-28 05:12:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-28 05:12:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-28 05:12:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-28 05:12:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_result [2021-12-28 05:12:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_result [2021-12-28 05:12:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:12:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:12:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:12:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:12:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:12:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:12:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_external [2021-12-28 05:12:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_external [2021-12-28 05:12:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-28 05:12:18,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-28 05:12:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:12:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:12:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 05:12:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 05:12:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_eeprom_len [2021-12-28 05:12:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure get_eeprom_len [2021-12-28 05:12:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-28 05:12:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-28 05:12:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-28 05:12:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-28 05:12:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure get_regs_len [2021-12-28 05:12:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure get_regs_len [2021-12-28 05:12:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:12:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:12:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure nway_reset [2021-12-28 05:12:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure nway_reset [2021-12-28 05:12:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-28 05:12:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-28 05:12:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 05:12:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 05:12:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-28 05:12:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-28 05:12:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2021-12-28 05:12:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2021-12-28 05:12:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:12:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:12:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:12:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:12:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-28 05:12:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-28 05:12:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:12:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure switch_port_internal [2021-12-28 05:12:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure switch_port_internal [2021-12-28 05:12:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:12:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:12:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure dump_ring [2021-12-28 05:12:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_ring [2021-12-28 05:12:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:12:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:12:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure intr_handler [2021-12-28 05:12:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_handler [2021-12-28 05:12:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:12:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:12:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-28 05:12:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-28 05:12:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_68 [2021-12-28 05:12:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_68 [2021-12-28 05:12:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:12:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:12:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 05:12:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 05:12:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure __get_stats [2021-12-28 05:12:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_stats [2021-12-28 05:12:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure set_bufsize [2021-12-28 05:12:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bufsize [2021-12-28 05:12:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 05:12:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 05:12:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-28 05:12:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-28 05:12:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-12-28 05:12:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-12-28 05:12:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure drain_ring [2021-12-28 05:12:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_ring [2021-12-28 05:12:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:12:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:12:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:12:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:12:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 05:12:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 05:12:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:12:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:12:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_remove1 [2021-12-28 05:12:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_remove1 [2021-12-28 05:12:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2021-12-28 05:12:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_natsemi_exit_mod_15_2 [2021-12-28 05:12:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:12:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure init_ring [2021-12-28 05:12:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ring [2021-12-28 05:12:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:12:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:12:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2021-12-28 05:12:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2021-12-28 05:12:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_disable [2021-12-28 05:12:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_disable [2021-12-28 05:12:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-28 05:12:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-28 05:12:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:12:18,677 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:12:18,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_69 [2021-12-28 05:12:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_69 [2021-12-28 05:12:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 05:12:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 05:12:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-28 05:12:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-28 05:12:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure ns_ioaddr [2021-12-28 05:12:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_ioaddr [2021-12-28 05:12:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure mii_send_bits [2021-12-28 05:12:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_send_bits [2021-12-28 05:12:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure refill_rx [2021-12-28 05:12:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure refill_rx [2021-12-28 05:12:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:12:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:12:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-28 05:12:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-28 05:12:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-28 05:12:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-28 05:12:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure drain_tx [2021-12-28 05:12:18,686 INFO L138 BoogieDeclarations]: Found implementation of procedure drain_tx [2021-12-28 05:12:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure natsemi_irq_enable [2021-12-28 05:12:18,686 INFO L138 BoogieDeclarations]: Found implementation of procedure natsemi_irq_enable [2021-12-28 05:12:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 05:12:18,686 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 05:12:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:12:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure miiport_read [2021-12-28 05:12:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure miiport_read [2021-12-28 05:12:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:12:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:12:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 05:12:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 05:12:19,594 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:12:19,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:12:20,154 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:12:22,774 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:12:22,888 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:12:22,910 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:12:22,910 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 05:12:22,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:12:22 BoogieIcfgContainer [2021-12-28 05:12:22,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:12:22,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:12:22,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:12:22,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:12:22,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:12:13" (1/3) ... [2021-12-28 05:12:22,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a91fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:12:22, skipping insertion in model container [2021-12-28 05:12:22,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:12:17" (2/3) ... [2021-12-28 05:12:22,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a91fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:12:22, skipping insertion in model container [2021-12-28 05:12:22,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:12:22" (3/3) ... [2021-12-28 05:12:22,921 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-natsemi-natsemi.cil.i [2021-12-28 05:12:22,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:12:22,926 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 05:12:22,985 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:12:22,993 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 05:12:22,994 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 05:12:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 2481 states, 1601 states have (on average 1.2692067457838851) internal successors, (2032), 1638 states have internal predecessors, (2032), 749 states have call successors, (749), 129 states have call predecessors, (749), 128 states have return successors, (743), 734 states have call predecessors, (743), 743 states have call successors, (743) [2021-12-28 05:12:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-12-28 05:12:23,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:12:23,089 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:12:23,089 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:12:23,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:12:23,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1573781145, now seen corresponding path program 1 times [2021-12-28 05:12:23,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:12:23,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343110465] [2021-12-28 05:12:23,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:12:23,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:12:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:12:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:12:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:12:23,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:12:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:12:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:12:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:12:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:12:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:12:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:12:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:12:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:12:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:12:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:12:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:12:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:12:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-28 05:12:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:23,969 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-28 05:12:23,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:12:23,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343110465] [2021-12-28 05:12:23,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343110465] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:12:23,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:12:23,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:12:23,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490661178] [2021-12-28 05:12:23,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:12:23,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:12:23,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:12:24,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:12:24,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:12:24,017 INFO L87 Difference]: Start difference. First operand has 2481 states, 1601 states have (on average 1.2692067457838851) internal successors, (2032), 1638 states have internal predecessors, (2032), 749 states have call successors, (749), 129 states have call predecessors, (749), 128 states have return successors, (743), 734 states have call predecessors, (743), 743 states have call successors, (743) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-12-28 05:12:30,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:12:30,035 INFO L93 Difference]: Finished difference Result 7377 states and 10713 transitions. [2021-12-28 05:12:30,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:12:30,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 193 [2021-12-28 05:12:30,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:12:30,084 INFO L225 Difference]: With dead ends: 7377 [2021-12-28 05:12:30,084 INFO L226 Difference]: Without dead ends: 4921 [2021-12-28 05:12:30,104 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:12:30,108 INFO L933 BasicCegarLoop]: 3570 mSDtfsCounter, 4291 mSDsluCounter, 2781 mSDsCounter, 0 mSdLazyCounter, 3320 mSolverCounterSat, 2449 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4976 SdHoareTripleChecker+Valid, 6351 SdHoareTripleChecker+Invalid, 5769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2449 IncrementalHoareTripleChecker+Valid, 3320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-12-28 05:12:30,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4976 Valid, 6351 Invalid, 5769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2449 Valid, 3320 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2021-12-28 05:12:30,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4921 states. [2021-12-28 05:12:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4921 to 4819. [2021-12-28 05:12:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4819 states, 3125 states have (on average 1.26464) internal successors, (3952), 3198 states have internal predecessors, (3952), 1439 states have call successors, (1439), 253 states have call predecessors, (1439), 252 states have return successors, (1435), 1417 states have call predecessors, (1435), 1435 states have call successors, (1435) [2021-12-28 05:12:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4819 states and 6826 transitions. [2021-12-28 05:12:30,519 INFO L78 Accepts]: Start accepts. Automaton has 4819 states and 6826 transitions. Word has length 193 [2021-12-28 05:12:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:12:30,523 INFO L470 AbstractCegarLoop]: Abstraction has 4819 states and 6826 transitions. [2021-12-28 05:12:30,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-12-28 05:12:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 6826 transitions. [2021-12-28 05:12:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-28 05:12:30,531 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:12:30,532 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:12:30,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:12:30,532 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:12:30,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:12:30,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1629799473, now seen corresponding path program 1 times [2021-12-28 05:12:30,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:12:30,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002315787] [2021-12-28 05:12:30,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:12:30,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:12:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:12:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:12:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:12:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:12:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:12:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:12:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:12:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:12:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:12:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:12:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:12:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:12:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:12:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:12:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:30,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:12:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:12:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:31,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 05:12:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:31,022 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-28 05:12:31,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:12:31,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002315787] [2021-12-28 05:12:31,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002315787] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:12:31,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:12:31,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:12:31,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595532574] [2021-12-28 05:12:31,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:12:31,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:12:31,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:12:31,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:12:31,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:12:31,027 INFO L87 Difference]: Start difference. First operand 4819 states and 6826 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-28 05:12:36,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:12:36,332 INFO L93 Difference]: Finished difference Result 13465 states and 19065 transitions. [2021-12-28 05:12:36,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:12:36,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 202 [2021-12-28 05:12:36,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:12:36,386 INFO L225 Difference]: With dead ends: 13465 [2021-12-28 05:12:36,387 INFO L226 Difference]: Without dead ends: 8681 [2021-12-28 05:12:36,411 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:12:36,413 INFO L933 BasicCegarLoop]: 3439 mSDtfsCounter, 3537 mSDsluCounter, 2739 mSDsCounter, 0 mSdLazyCounter, 3233 mSolverCounterSat, 2343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4097 SdHoareTripleChecker+Valid, 6178 SdHoareTripleChecker+Invalid, 5576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2343 IncrementalHoareTripleChecker+Valid, 3233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-28 05:12:36,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4097 Valid, 6178 Invalid, 5576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2343 Valid, 3233 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-28 05:12:36,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8681 states. [2021-12-28 05:12:36,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8681 to 8478. [2021-12-28 05:12:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8478 states, 5420 states have (on average 1.2562730627306273) internal successors, (6809), 5556 states have internal predecessors, (6809), 2568 states have call successors, (2568), 486 states have call predecessors, (2568), 487 states have return successors, (2572), 2519 states have call predecessors, (2572), 2564 states have call successors, (2572) [2021-12-28 05:12:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8478 states to 8478 states and 11949 transitions. [2021-12-28 05:12:36,826 INFO L78 Accepts]: Start accepts. Automaton has 8478 states and 11949 transitions. Word has length 202 [2021-12-28 05:12:36,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:12:36,826 INFO L470 AbstractCegarLoop]: Abstraction has 8478 states and 11949 transitions. [2021-12-28 05:12:36,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-28 05:12:36,827 INFO L276 IsEmpty]: Start isEmpty. Operand 8478 states and 11949 transitions. [2021-12-28 05:12:36,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-28 05:12:36,831 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:12:36,831 INFO L514 BasicCegarLoop]: 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] [2021-12-28 05:12:36,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:12:36,831 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:12:36,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:12:36,832 INFO L85 PathProgramCache]: Analyzing trace with hash -90392666, now seen corresponding path program 1 times [2021-12-28 05:12:36,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:12:36,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429486958] [2021-12-28 05:12:36,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:12:36,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:12:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:12:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:12:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:12:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:12:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:12:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:12:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:12:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:12:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:12:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:12:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:12:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:12:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:12:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:12:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:12:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:12:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 05:12:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-28 05:12:37,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:12:37,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429486958] [2021-12-28 05:12:37,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429486958] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:12:37,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:12:37,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 05:12:37,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261547983] [2021-12-28 05:12:37,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:12:37,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 05:12:37,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:12:37,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 05:12:37,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-28 05:12:37,303 INFO L87 Difference]: Start difference. First operand 8478 states and 11949 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-28 05:12:46,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:12:46,219 INFO L93 Difference]: Finished difference Result 19495 states and 27394 transitions. [2021-12-28 05:12:46,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 05:12:46,220 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 204 [2021-12-28 05:12:46,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:12:46,292 INFO L225 Difference]: With dead ends: 19495 [2021-12-28 05:12:46,292 INFO L226 Difference]: Without dead ends: 11052 [2021-12-28 05:12:46,335 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-28 05:12:46,340 INFO L933 BasicCegarLoop]: 4755 mSDtfsCounter, 8847 mSDsluCounter, 3862 mSDsCounter, 0 mSdLazyCounter, 8508 mSolverCounterSat, 4840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9973 SdHoareTripleChecker+Valid, 8617 SdHoareTripleChecker+Invalid, 13348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4840 IncrementalHoareTripleChecker+Valid, 8508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-12-28 05:12:46,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9973 Valid, 8617 Invalid, 13348 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4840 Valid, 8508 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2021-12-28 05:12:46,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11052 states. [2021-12-28 05:12:46,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11052 to 10739. [2021-12-28 05:12:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10739 states, 6904 states have (on average 1.2531865585168018) internal successors, (8652), 7069 states have internal predecessors, (8652), 3158 states have call successors, (3158), 680 states have call predecessors, (3158), 674 states have return successors, (3158), 3091 states have call predecessors, (3158), 3154 states have call successors, (3158) [2021-12-28 05:12:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10739 states to 10739 states and 14968 transitions. [2021-12-28 05:12:46,957 INFO L78 Accepts]: Start accepts. Automaton has 10739 states and 14968 transitions. Word has length 204 [2021-12-28 05:12:46,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:12:46,959 INFO L470 AbstractCegarLoop]: Abstraction has 10739 states and 14968 transitions. [2021-12-28 05:12:46,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-28 05:12:46,961 INFO L276 IsEmpty]: Start isEmpty. Operand 10739 states and 14968 transitions. [2021-12-28 05:12:46,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-28 05:12:46,964 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:12:46,964 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:12:46,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:12:46,965 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:12:46,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:12:46,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1979846642, now seen corresponding path program 1 times [2021-12-28 05:12:46,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:12:46,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784704478] [2021-12-28 05:12:46,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:12:46,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:12:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:12:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:12:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:12:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:12:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:12:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:12:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:12:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:12:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:12:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:12:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:12:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:12:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:12:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:12:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:12:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:12:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-28 05:12:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-28 05:12:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-28 05:12:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-12-28 05:12:47,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:12:47,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784704478] [2021-12-28 05:12:47,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784704478] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:12:47,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:12:47,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:12:47,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975536861] [2021-12-28 05:12:47,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:12:47,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:12:47,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:12:47,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:12:47,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:12:47,390 INFO L87 Difference]: Start difference. First operand 10739 states and 14968 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 05:12:52,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:12:52,022 INFO L93 Difference]: Finished difference Result 29605 states and 41301 transitions. [2021-12-28 05:12:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:12:52,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 213 [2021-12-28 05:12:52,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:12:52,130 INFO L225 Difference]: With dead ends: 29605 [2021-12-28 05:12:52,131 INFO L226 Difference]: Without dead ends: 18901 [2021-12-28 05:12:52,181 INFO L932 BasicCegarLoop]: 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 [2021-12-28 05:12:52,182 INFO L933 BasicCegarLoop]: 3525 mSDtfsCounter, 4190 mSDsluCounter, 2795 mSDsCounter, 0 mSdLazyCounter, 3063 mSolverCounterSat, 2428 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4804 SdHoareTripleChecker+Valid, 6320 SdHoareTripleChecker+Invalid, 5491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2428 IncrementalHoareTripleChecker+Valid, 3063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 05:12:52,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4804 Valid, 6320 Invalid, 5491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2428 Valid, 3063 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 05:12:52,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18901 states. [2021-12-28 05:12:52,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18901 to 18453. [2021-12-28 05:12:53,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18453 states, 12006 states have (on average 1.2569548559053807) internal successors, (15091), 12279 states have internal predecessors, (15091), 5292 states have call successors, (5292), 1176 states have call predecessors, (5292), 1152 states have return successors, (5304), 5162 states have call predecessors, (5304), 5288 states have call successors, (5304) [2021-12-28 05:12:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18453 states to 18453 states and 25687 transitions. [2021-12-28 05:12:53,092 INFO L78 Accepts]: Start accepts. Automaton has 18453 states and 25687 transitions. Word has length 213 [2021-12-28 05:12:53,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:12:53,093 INFO L470 AbstractCegarLoop]: Abstraction has 18453 states and 25687 transitions. [2021-12-28 05:12:53,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 05:12:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 18453 states and 25687 transitions. [2021-12-28 05:12:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-28 05:12:53,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:12:53,097 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:12:53,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:12:53,098 INFO L402 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)] === [2021-12-28 05:12:53,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:12:53,098 INFO L85 PathProgramCache]: Analyzing trace with hash -2057147560, now seen corresponding path program 1 times [2021-12-28 05:12:53,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:12:53,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146498758] [2021-12-28 05:12:53,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:12:53,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:12:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:12:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:12:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:12:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:12:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:12:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:12:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:12:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:12:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:12:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:12:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:12:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:12:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:12:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:12:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:12:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:12:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-28 05:12:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:12:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:12:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:12:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-28 05:12:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:12:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2021-12-28 05:12:53,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:12:53,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146498758] [2021-12-28 05:12:53,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146498758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:12:53,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:12:53,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:12:53,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002582371] [2021-12-28 05:12:53,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:12:53,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:12:53,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:12:53,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:12:53,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:12:53,476 INFO L87 Difference]: Start difference. First operand 18453 states and 25687 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 05:12:58,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:12:58,710 INFO L93 Difference]: Finished difference Result 55152 states and 76902 transitions. [2021-12-28 05:12:58,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:12:58,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 221 [2021-12-28 05:12:58,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:12:59,153 INFO L225 Difference]: With dead ends: 55152 [2021-12-28 05:12:59,154 INFO L226 Difference]: Without dead ends: 36734 [2021-12-28 05:12:59,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:12:59,232 INFO L933 BasicCegarLoop]: 3633 mSDtfsCounter, 4259 mSDsluCounter, 2828 mSDsCounter, 0 mSdLazyCounter, 3330 mSolverCounterSat, 2464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4944 SdHoareTripleChecker+Valid, 6461 SdHoareTripleChecker+Invalid, 5794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2464 IncrementalHoareTripleChecker+Valid, 3330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-28 05:12:59,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4944 Valid, 6461 Invalid, 5794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2464 Valid, 3330 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-28 05:12:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36734 states. [2021-12-28 05:13:00,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36734 to 35851. [2021-12-28 05:13:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35851 states, 23284 states have (on average 1.2548531180209586) internal successors, (29218), 23852 states have internal predecessors, (29218), 10313 states have call successors, (10313), 2298 states have call predecessors, (10313), 2251 states have return successors, (10341), 10030 states have call predecessors, (10341), 10309 states have call successors, (10341) [2021-12-28 05:13:00,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35851 states to 35851 states and 49872 transitions. [2021-12-28 05:13:00,851 INFO L78 Accepts]: Start accepts. Automaton has 35851 states and 49872 transitions. Word has length 221 [2021-12-28 05:13:00,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:13:00,856 INFO L470 AbstractCegarLoop]: Abstraction has 35851 states and 49872 transitions. [2021-12-28 05:13:00,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 05:13:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 35851 states and 49872 transitions. [2021-12-28 05:13:00,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-28 05:13:00,861 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:13:00,861 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:13:00,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 05:13:00,862 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:13:00,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:13:00,862 INFO L85 PathProgramCache]: Analyzing trace with hash -875737055, now seen corresponding path program 1 times [2021-12-28 05:13:00,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:13:00,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258572620] [2021-12-28 05:13:00,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:13:00,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:13:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:13:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:13:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:13:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:13:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:13:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:13:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:13:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:13:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:13:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:13:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:13:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:13:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:13:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:13:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:13:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-28 05:13:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-28 05:13:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-28 05:13:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-28 05:13:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-28 05:13:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:13:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 05:13:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 05:13:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-28 05:13:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:13:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-28 05:13:01,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:13:01,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258572620] [2021-12-28 05:13:01,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258572620] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:13:01,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:13:01,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:13:01,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603867767] [2021-12-28 05:13:01,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:13:01,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:13:01,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:13:01,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:13:01,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:13:01,265 INFO L87 Difference]: Start difference. First operand 35851 states and 49872 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 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)