./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-atheros-alx-alx.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-atheros-alx-alx.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 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:10:55,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:10:55,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:10:55,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:10:55,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:10:55,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:10:55,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:10:55,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:10:55,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:10:55,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:10:55,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:10:55,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:10:55,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:10:55,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:10:55,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:10:55,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:10:55,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:10:55,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:10:55,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:10:55,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:10:55,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:10:55,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:10:55,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:10:55,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:10:55,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:10:55,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:10:55,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:10:55,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:10:55,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:10:55,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:10:55,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:10:55,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:10:55,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:10:55,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:10:55,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:10:55,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:10:55,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:10:55,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:10:55,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:10:55,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:10:55,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:10:55,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:10:55,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:10:55,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:10:55,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:10:55,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:10:55,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:10:55,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:10:55,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:10:55,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:10:55,884 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:10:55,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:10:55,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:10:55,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:10:55,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:10:55,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:10:55,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:10:55,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:10:55,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:10:55,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:10:55,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:10:55,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:10:55,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:10:55,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:10:55,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:10:55,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:10:55,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:10:55,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:10:55,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:10:55,887 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:10:55,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:10:55,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:10:55,887 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-12-28 05:10:56,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:10:56,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:10:56,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:10:56,141 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:10:56,142 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:10:56,143 INFO L432 ainManager$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-atheros-alx-alx.cil.i [2021-12-28 05:10:56,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa636dfb/b9954ade5fc841e7a814d670ded26dc0/FLAGf56a70afb [2021-12-28 05:10:56,942 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:10:56,942 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-atheros-alx-alx.cil.i [2021-12-28 05:10:56,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa636dfb/b9954ade5fc841e7a814d670ded26dc0/FLAGf56a70afb [2021-12-28 05:10:57,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6aa636dfb/b9954ade5fc841e7a814d670ded26dc0 [2021-12-28 05:10:57,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:10:57,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:10:57,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:10:57,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:10:57,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:10:57,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:10:57" (1/1) ... [2021-12-28 05:10:57,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0c8d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:57, skipping insertion in model container [2021-12-28 05:10:57,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:10:57" (1/1) ... [2021-12-28 05:10:57,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:10:57,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:10:59,646 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-atheros-alx-alx.cil.i[460236,460249] [2021-12-28 05:10:59,648 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-atheros-alx-alx.cil.i[460405,460418] [2021-12-28 05:10:59,649 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-atheros-alx-alx.cil.i[460572,460585] [2021-12-28 05:10:59,649 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-atheros-alx-alx.cil.i[460740,460753] [2021-12-28 05:10:59,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:10:59,740 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:11:00,012 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-atheros-alx-alx.cil.i[460236,460249] [2021-12-28 05:11:00,014 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-atheros-alx-alx.cil.i[460405,460418] [2021-12-28 05:11:00,014 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-atheros-alx-alx.cil.i[460572,460585] [2021-12-28 05:11:00,014 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-atheros-alx-alx.cil.i[460740,460753] [2021-12-28 05:11:00,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:11:00,265 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:11:00,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00 WrapperNode [2021-12-28 05:11:00,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:11:00,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:11:00,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:11:00,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:11:00,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,614 INFO L137 Inliner]: procedures = 676, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8524 [2021-12-28 05:11:00,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:11:00,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:11:00,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:11:00,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:11:00,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:11:00,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:11:00,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:11:00,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:11:00,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (1/1) ... [2021-12-28 05:11:00,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:11:00,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:11:00,949 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 05:11:00,955 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 05:11:00,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-28 05:11:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-28 05:11:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:11:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:11:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-28 05:11:00,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-28 05:11:00,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-28 05:11:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-28 05:11:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:11:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:11:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-28 05:11:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-28 05:11:00,978 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-28 05:11:00,978 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-28 05:11:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-28 05:11:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-28 05:11:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-28 05:11:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-28 05:11:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-28 05:11:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-28 05:11:00,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:11:00,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:11:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 05:11:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 05:11:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-28 05:11:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-28 05:11:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:11:00,980 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:11:00,980 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 05:11:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 05:11:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-28 05:11:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-28 05:11:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-28 05:11:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-28 05:11:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-28 05:11:00,981 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-28 05:11:00,981 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 05:11:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 05:11:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-28 05:11:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-28 05:11:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-28 05:11:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-28 05:11:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:11:00,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:11:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:11:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:11:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 05:11:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 05:11:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:11:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:11:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-28 05:11:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-28 05:11:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-28 05:11:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-28 05:11:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:11:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:11:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-28 05:11:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-28 05:11:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 05:11:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 05:11:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:11:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 05:11:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 05:11:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-28 05:11:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-28 05:11:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2021-12-28 05:11:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2021-12-28 05:11:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-28 05:11:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-28 05:11:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 05:11:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 05:11:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-28 05:11:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-28 05:11:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-28 05:11:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-28 05:11:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-28 05:11:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:11:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:11:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 05:11:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 05:11:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:11:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-28 05:11:00,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-28 05:11:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-28 05:11:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-28 05:11:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:11:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:11:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-28 05:11:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-28 05:11:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 05:11:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 05:11:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:11:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-28 05:11:00,989 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-28 05:11:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:11:00,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:11:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:11:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:11:00,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:11:00,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:11:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:11:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:11:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:11:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-28 05:11:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-28 05:11:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-28 05:11:00,990 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-28 05:11:00,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:11:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:11:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:11:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:11:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-28 05:11:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-28 05:11:00,991 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-28 05:11:00,991 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-28 05:11:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:11:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:11:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:11:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:11:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:11:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:11:00,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:11:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 05:11:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 05:11:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-28 05:11:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-28 05:11:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-28 05:11:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-28 05:11:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-28 05:11:00,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-28 05:11:00,993 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-28 05:11:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-28 05:11:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:11:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 05:11:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 05:11:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:11:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:11:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:11:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:11:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:11:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 05:11:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-28 05:11:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-28 05:11:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-28 05:11:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-28 05:11:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-28 05:11:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-28 05:11:00,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:11:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:11:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:11:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:11:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-28 05:11:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-28 05:11:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-28 05:11:00,996 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-28 05:11:00,996 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-28 05:11:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-28 05:11:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-28 05:11:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-28 05:11:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-28 05:11:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-28 05:11:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 05:11:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 05:11:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 05:11:00,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 05:11:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 05:11:00,998 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 05:11:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:11:00,998 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:11:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-28 05:11:00,998 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-28 05:11:00,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:11:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:11:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-28 05:11:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-28 05:11:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-28 05:11:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-28 05:11:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 05:11:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 05:11:00,999 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-28 05:11:00,999 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-28 05:11:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:11:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:11:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 05:11:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 05:11:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-28 05:11:01,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-28 05:11:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:11:01,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:11:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:11:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:11:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-28 05:11:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-28 05:11:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:11:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 05:11:01,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:11:01,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:11:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 05:11:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 05:11:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 05:11:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 05:11:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-28 05:11:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-28 05:11:01,002 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-28 05:11:01,002 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-28 05:11:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-28 05:11:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 05:11:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 05:11:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-28 05:11:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-28 05:11:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:11:01,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:11:01,003 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-28 05:11:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-28 05:11:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-28 05:11:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-28 05:11:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 05:11:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 05:11:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-28 05:11:01,004 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-28 05:11:01,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-28 05:11:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-28 05:11:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-28 05:11:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-28 05:11:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:11:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:11:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-28 05:11:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-28 05:11:01,005 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-28 05:11:01,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-28 05:11:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-28 05:11:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-28 05:11:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:11:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:11:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:11:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 05:11:01,006 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 05:11:01,006 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-28 05:11:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-28 05:11:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-28 05:11:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-28 05:11:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 05:11:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 05:11:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-28 05:11:01,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-28 05:11:01,007 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:11:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:11:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:11:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-28 05:11:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-28 05:11:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:11:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-28 05:11:01,008 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-28 05:11:01,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:11:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:11:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-28 05:11:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-28 05:11:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-28 05:11:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-28 05:11:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 05:11:01,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 05:11:01,009 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 05:11:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 05:11:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:11:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:11:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-28 05:11:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-28 05:11:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:11:01,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:11:01,010 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 05:11:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 05:11:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-28 05:11:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-28 05:11:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-12-28 05:11:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-12-28 05:11:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-28 05:11:01,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-28 05:11:01,011 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:11:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:11:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:11:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:11:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2021-12-28 05:11:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2021-12-28 05:11:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-28 05:11:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-28 05:11:01,012 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:11:01,012 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:11:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-28 05:11:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-28 05:11:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 05:11:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 05:11:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-28 05:11:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-28 05:11:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:11:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:11:01,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:11:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-28 05:11:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-28 05:11:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:11:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:11:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-28 05:11:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-28 05:11:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-28 05:11:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-28 05:11:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-28 05:11:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-28 05:11:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 05:11:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 05:11:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-28 05:11:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-28 05:11:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 05:11:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 05:11:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-28 05:11:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-28 05:11:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-28 05:11:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-28 05:11:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-28 05:11:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-28 05:11:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-28 05:11:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-28 05:11:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-28 05:11:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-28 05:11:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2021-12-28 05:11:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2021-12-28 05:11:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-28 05:11:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-28 05:11:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-28 05:11:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-28 05:11:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-28 05:11:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-28 05:11:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:11:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:11:01,018 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 05:11:01,018 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 05:11:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-28 05:11:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-28 05:11:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-28 05:11:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-28 05:11:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-28 05:11:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-28 05:11:01,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-28 05:11:01,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-28 05:11:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 05:11:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 05:11:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 05:11:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 05:11:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 05:11:01,020 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 05:11:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:11:01,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:11:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:11:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-28 05:11:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-28 05:11:01,021 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-28 05:11:01,021 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-28 05:11:01,815 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:11:01,818 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:11:01,914 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:11:09,683 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:11:09,891 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:11:09,911 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:11:09,912 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-28 05:11:09,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:09 BoogieIcfgContainer [2021-12-28 05:11:09,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:11:09,918 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:11:09,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:11:09,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:11:09,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:10:57" (1/3) ... [2021-12-28 05:11:09,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19eebb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:09, skipping insertion in model container [2021-12-28 05:11:09,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:11:00" (2/3) ... [2021-12-28 05:11:09,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19eebb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:09, skipping insertion in model container [2021-12-28 05:11:09,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:09" (3/3) ... [2021-12-28 05:11:09,922 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-28 05:11:09,926 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:11:09,927 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 05:11:09,988 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:11:09,996 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 05:11:09,997 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 05:11:10,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) [2021-12-28 05:11:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-28 05:11:10,073 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:10,074 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:10,075 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 05:11:10,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:10,078 INFO L85 PathProgramCache]: Analyzing trace with hash -653031862, now seen corresponding path program 1 times [2021-12-28 05:11:10,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:10,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971709396] [2021-12-28 05:11:10,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:10,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:11:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 05:11:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:11:10,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:10,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971709396] [2021-12-28 05:11:10,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971709396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:10,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:10,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:10,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109145820] [2021-12-28 05:11:10,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:11,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:11,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:11,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:11,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:11,023 INFO L87 Difference]: Start difference. First operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 05:11:16,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:16,632 INFO L93 Difference]: Finished difference Result 9267 states and 13426 transitions. [2021-12-28 05:11:16,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:16,634 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2021-12-28 05:11:16,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:16,682 INFO L225 Difference]: With dead ends: 9267 [2021-12-28 05:11:16,682 INFO L226 Difference]: Without dead ends: 6180 [2021-12-28 05:11:16,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:11:16,708 INFO L933 BasicCegarLoop]: 4340 mSDtfsCounter, 5382 mSDsluCounter, 3778 mSDsCounter, 0 mSdLazyCounter, 3740 mSolverCounterSat, 2790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6129 SdHoareTripleChecker+Valid, 8118 SdHoareTripleChecker+Invalid, 6530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2790 IncrementalHoareTripleChecker+Valid, 3740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:16,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6129 Valid, 8118 Invalid, 6530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2790 Valid, 3740 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-28 05:11:16,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-12-28 05:11:17,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5962. [2021-12-28 05:11:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 3992 states have (on average 1.2567635270541082) internal successors, (5017), 4073 states have internal predecessors, (5017), 1639 states have call successors, (1639), 329 states have call predecessors, (1639), 328 states have return successors, (1635), 1613 states have call predecessors, (1635), 1635 states have call successors, (1635) [2021-12-28 05:11:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2021-12-28 05:11:17,093 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2021-12-28 05:11:17,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:17,095 INFO L470 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2021-12-28 05:11:17,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 05:11:17,096 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2021-12-28 05:11:17,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-28 05:11:17,101 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:17,102 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:17,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:11:17,102 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 05:11:17,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:17,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1601171312, now seen corresponding path program 1 times [2021-12-28 05:11:17,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:17,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258874069] [2021-12-28 05:11:17,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:17,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:17,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:11:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 05:11:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:11:17,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:17,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258874069] [2021-12-28 05:11:17,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258874069] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:17,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:17,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 05:11:17,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287838675] [2021-12-28 05:11:17,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:17,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 05:11:17,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:17,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 05:11:17,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-28 05:11:17,667 INFO L87 Difference]: Start difference. First operand 5962 states and 8291 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 05:11:28,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:28,552 INFO L93 Difference]: Finished difference Result 22273 states and 31103 transitions. [2021-12-28 05:11:28,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-28 05:11:28,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 206 [2021-12-28 05:11:28,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:28,650 INFO L225 Difference]: With dead ends: 22273 [2021-12-28 05:11:28,651 INFO L226 Difference]: Without dead ends: 16348 [2021-12-28 05:11:28,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-28 05:11:28,680 INFO L933 BasicCegarLoop]: 4661 mSDtfsCounter, 9533 mSDsluCounter, 6809 mSDsCounter, 0 mSdLazyCounter, 12126 mSolverCounterSat, 4353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10805 SdHoareTripleChecker+Valid, 11470 SdHoareTripleChecker+Invalid, 16479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4353 IncrementalHoareTripleChecker+Valid, 12126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:28,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10805 Valid, 11470 Invalid, 16479 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4353 Valid, 12126 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2021-12-28 05:11:28,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-12-28 05:11:29,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 15636. [2021-12-28 05:11:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15636 states, 10382 states have (on average 1.2547678674629166) internal successors, (13027), 10605 states have internal predecessors, (13027), 4295 states have call successors, (4295), 957 states have call predecessors, (4295), 956 states have return successors, (4307), 4209 states have call predecessors, (4307), 4291 states have call successors, (4307) [2021-12-28 05:11:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15636 states to 15636 states and 21629 transitions. [2021-12-28 05:11:29,384 INFO L78 Accepts]: Start accepts. Automaton has 15636 states and 21629 transitions. Word has length 206 [2021-12-28 05:11:29,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:29,386 INFO L470 AbstractCegarLoop]: Abstraction has 15636 states and 21629 transitions. [2021-12-28 05:11:29,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-28 05:11:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 15636 states and 21629 transitions. [2021-12-28 05:11:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-28 05:11:29,390 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:29,390 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:29,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:11:29,390 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 05:11:29,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:29,391 INFO L85 PathProgramCache]: Analyzing trace with hash 978146363, now seen corresponding path program 1 times [2021-12-28 05:11:29,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:29,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353145991] [2021-12-28 05:11:29,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:29,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:11:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-28 05:11:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-28 05:11:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:11:29,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:29,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353145991] [2021-12-28 05:11:29,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353145991] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:29,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:29,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:29,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415225584] [2021-12-28 05:11:29,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:29,905 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:29,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:29,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:29,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:29,907 INFO L87 Difference]: Start difference. First operand 15636 states and 21629 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 05:11:36,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:36,107 INFO L93 Difference]: Finished difference Result 47978 states and 67201 transitions. [2021-12-28 05:11:36,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:36,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 216 [2021-12-28 05:11:36,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:36,253 INFO L225 Difference]: With dead ends: 47978 [2021-12-28 05:11:36,253 INFO L226 Difference]: Without dead ends: 32379 [2021-12-28 05:11:36,329 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 05:11:36,332 INFO L933 BasicCegarLoop]: 4481 mSDtfsCounter, 5378 mSDsluCounter, 3893 mSDsCounter, 0 mSdLazyCounter, 3734 mSolverCounterSat, 2813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6099 SdHoareTripleChecker+Valid, 8374 SdHoareTripleChecker+Invalid, 6547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2813 IncrementalHoareTripleChecker+Valid, 3734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:36,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6099 Valid, 8374 Invalid, 6547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2813 Valid, 3734 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-28 05:11:36,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32379 states. [2021-12-28 05:11:37,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32379 to 32237. [2021-12-28 05:11:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32237 states, 21571 states have (on average 1.2574289555421632) internal successors, (27124), 22081 states have internal predecessors, (27124), 8662 states have call successors, (8662), 1906 states have call predecessors, (8662), 2001 states have return successors, (9594), 8557 states have call predecessors, (9594), 8658 states have call successors, (9594) [2021-12-28 05:11:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45380 transitions. [2021-12-28 05:11:37,973 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45380 transitions. Word has length 216 [2021-12-28 05:11:37,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:37,974 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45380 transitions. [2021-12-28 05:11:37,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 05:11:37,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45380 transitions. [2021-12-28 05:11:37,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-28 05:11:37,978 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:37,978 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:37,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:11:37,979 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 05:11:37,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:37,979 INFO L85 PathProgramCache]: Analyzing trace with hash 22260385, now seen corresponding path program 1 times [2021-12-28 05:11:37,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:37,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130618215] [2021-12-28 05:11:37,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:37,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:11:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 05:11:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-28 05:11:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:11:38,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:38,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130618215] [2021-12-28 05:11:38,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130618215] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:38,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:38,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:38,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655333235] [2021-12-28 05:11:38,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:38,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:38,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:38,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:38,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:38,361 INFO L87 Difference]: Start difference. First operand 32237 states and 45380 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 05:11:45,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:45,520 INFO L93 Difference]: Finished difference Result 96383 states and 136618 transitions. [2021-12-28 05:11:45,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:45,520 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 217 [2021-12-28 05:11:45,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:45,780 INFO L225 Difference]: With dead ends: 96383 [2021-12-28 05:11:45,780 INFO L226 Difference]: Without dead ends: 64183 [2021-12-28 05:11:45,877 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 05:11:45,878 INFO L933 BasicCegarLoop]: 4958 mSDtfsCounter, 5364 mSDsluCounter, 4291 mSDsCounter, 0 mSdLazyCounter, 3734 mSolverCounterSat, 2739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6085 SdHoareTripleChecker+Valid, 9249 SdHoareTripleChecker+Invalid, 6473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2739 IncrementalHoareTripleChecker+Valid, 3734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:45,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6085 Valid, 9249 Invalid, 6473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2739 Valid, 3734 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-12-28 05:11:45,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64183 states. [2021-12-28 05:11:48,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64183 to 63919. [2021-12-28 05:11:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63919 states, 42809 states have (on average 1.2575860216309656) internal successors, (53836), 43829 states have internal predecessors, (53836), 17160 states have call successors, (17160), 3780 states have call predecessors, (17160), 3947 states have return successors, (19848), 16927 states have call predecessors, (19848), 17156 states have call successors, (19848) [2021-12-28 05:11:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63919 states to 63919 states and 90844 transitions. [2021-12-28 05:11:48,843 INFO L78 Accepts]: Start accepts. Automaton has 63919 states and 90844 transitions. Word has length 217 [2021-12-28 05:11:48,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:48,844 INFO L470 AbstractCegarLoop]: Abstraction has 63919 states and 90844 transitions. [2021-12-28 05:11:48,844 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, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 05:11:48,845 INFO L276 IsEmpty]: Start isEmpty. Operand 63919 states and 90844 transitions. [2021-12-28 05:11:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-28 05:11:48,848 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:48,848 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:48,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:11:48,849 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 05:11:48,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:48,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1818648166, now seen corresponding path program 1 times [2021-12-28 05:11:48,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:48,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251143269] [2021-12-28 05:11:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:48,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-28 05:11:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 05:11:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-28 05:11:49,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:49,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251143269] [2021-12-28 05:11:49,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251143269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:49,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:49,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:49,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57394269] [2021-12-28 05:11:49,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:49,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:49,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:49,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:49,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:49,472 INFO L87 Difference]: Start difference. First operand 63919 states and 90844 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)