./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.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 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:51:46,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:51:46,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:51:46,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:51:46,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:51:46,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:51:46,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:51:46,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:51:46,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:51:46,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:51:46,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:51:46,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:51:46,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:51:46,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:51:46,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:51:46,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:51:46,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:51:46,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:51:46,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:51:46,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:51:46,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:51:46,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:51:46,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:51:46,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:51:46,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:51:46,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:51:46,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:51:46,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:51:46,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:51:46,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:51:46,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:51:46,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:51:46,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:51:46,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:51:46,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:51:46,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:51:46,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:51:46,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:51:46,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:51:46,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:51:46,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:51:46,623 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:51:46,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:51:46,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:51:46,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:51:46,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:51:46,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:51:46,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:51:46,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:51:46,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:51:46,648 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:51:46,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:51:46,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:51:46,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:51:46,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:51:46,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:51:46,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:51:46,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:51:46,650 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:51:46,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:51:46,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:51:46,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:51:46,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:51:46,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:51:46,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:51:46,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:51:46,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:51:46,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:51:46,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:51:46,651 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:51:46,651 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:51:46,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:51:46,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2021-12-28 04:51:46,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:51:46,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:51:46,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:51:46,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:51:46,949 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:51:46,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-12-28 04:51:46,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d73f9e302/2b9b28a19a384b75bd951572029d3343/FLAG0918189da [2021-12-28 04:51:47,740 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:51:47,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-12-28 04:51:47,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d73f9e302/2b9b28a19a384b75bd951572029d3343/FLAG0918189da [2021-12-28 04:51:48,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d73f9e302/2b9b28a19a384b75bd951572029d3343 [2021-12-28 04:51:48,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:51:48,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:51:48,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:51:48,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:51:48,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:51:48,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:51:48" (1/1) ... [2021-12-28 04:51:48,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6016dbfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:48, skipping insertion in model container [2021-12-28 04:51:48,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:51:48" (1/1) ... [2021-12-28 04:51:48,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:51:48,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:51:52,131 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2021-12-28 04:51:52,133 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2021-12-28 04:51:52,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2021-12-28 04:51:52,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2021-12-28 04:51:52,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:51:52,249 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:51:52,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482333,482346] [2021-12-28 04:51:52,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2021-12-28 04:51:52,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2021-12-28 04:51:52,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2021-12-28 04:51:52,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:51:52,834 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:51:52,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52 WrapperNode [2021-12-28 04:51:52,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:51:52,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:51:52,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:51:52,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:51:52,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,296 INFO L137 Inliner]: procedures = 578, calls = 6324, calls flagged for inlining = 254, calls inlined = 233, statements flattened = 8682 [2021-12-28 04:51:53,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:51:53,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:51:53,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:51:53,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:51:53,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:51:53,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:51:53,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:51:53,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:51:53,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (1/1) ... [2021-12-28 04:51:53,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:51:53,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:51:53,751 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 04:51:53,770 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 04:51:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-28 04:51:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-28 04:51:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-28 04:51:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-28 04:51:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-28 04:51:53,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:51:53,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:51:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:51:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:51:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-28 04:51:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-28 04:51:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:51:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:51:53,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:51:53,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:51:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2021-12-28 04:51:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2021-12-28 04:51:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-28 04:51:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-28 04:51:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:51:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:51:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:51:53,780 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:51:53,780 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 04:51:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 04:51:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:51:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-28 04:51:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2021-12-28 04:51:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2021-12-28 04:51:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-28 04:51:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-28 04:51:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-28 04:51:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-28 04:51:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-28 04:51:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-28 04:51:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-28 04:51:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:51:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:51:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:51:53,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:51:53,782 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:51:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:51:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:51:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:51:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-28 04:51:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-28 04:51:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:51:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:51:53,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:51:53,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:51:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:51:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2021-12-28 04:51:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2021-12-28 04:51:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-28 04:51:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-28 04:51:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:51:53,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:51:53,784 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2021-12-28 04:51:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2021-12-28 04:51:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-28 04:51:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-28 04:51:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:51:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:51:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:51:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-28 04:51:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-28 04:51:53,785 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:51:53,785 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:51:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-28 04:51:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-28 04:51:53,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-28 04:51:53,786 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-28 04:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:51:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:51:53,821 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:51:53,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:51:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:51:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:51:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2021-12-28 04:51:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-28 04:51:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:51:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:51:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:51:53,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:51:53,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:51:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-28 04:51:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-28 04:51:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:51:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:51:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:51:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-28 04:51:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:51:53,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:51:53,823 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-28 04:51:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-28 04:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:51:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:51:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:51:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-28 04:51:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-28 04:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-28 04:51:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-28 04:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:51:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-28 04:51:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-28 04:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-28 04:51:53,824 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-28 04:51:53,824 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 04:51:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:51:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-12-28 04:51:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:51:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-28 04:51:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-28 04:51:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2021-12-28 04:51:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:51:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:51:53,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:51:53,825 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-28 04:51:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-28 04:51:53,826 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:51:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 04:51:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 04:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:51:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-28 04:51:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-28 04:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-28 04:51:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-28 04:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:51:53,827 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2021-12-28 04:51:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2021-12-28 04:51:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-28 04:51:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-28 04:51:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-28 04:51:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-28 04:51:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:51:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2021-12-28 04:51:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2021-12-28 04:51:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-28 04:51:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-28 04:51:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2021-12-28 04:51:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2021-12-28 04:51:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-28 04:51:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-28 04:51:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:51:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:51:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:51:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:51:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:51:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:51:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-28 04:51:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-28 04:51:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-28 04:51:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-28 04:51:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:51:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:51:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:51:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:51:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-28 04:51:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-28 04:51:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:51:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:51:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 04:51:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 04:51:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-28 04:51:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-28 04:51:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:51:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:51:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:51:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:51:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:51:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:51:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-28 04:51:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-28 04:51:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-28 04:51:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-28 04:51:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-12-28 04:51:53,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-12-28 04:51:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:51:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:51:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-28 04:51:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-28 04:51:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:51:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-28 04:51:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-28 04:51:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-28 04:51:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-28 04:51:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:51:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:51:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-28 04:51:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-28 04:51:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-28 04:51:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-28 04:51:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:51:53,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:51:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-28 04:51:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-28 04:51:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-28 04:51:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-28 04:51:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-28 04:51:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-28 04:51:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:51:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:51:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:51:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:51:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-28 04:51:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-28 04:51:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-28 04:51:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-28 04:51:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 04:51:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 04:51:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:51:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:51:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:51:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:51:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:51:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 04:51:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 04:51:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-28 04:51:53,846 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-28 04:51:54,608 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:51:54,614 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:51:54,927 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:51:59,864 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:52:00,033 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:52:00,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:52:00,052 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-28 04:52:00,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:52:00 BoogieIcfgContainer [2021-12-28 04:52:00,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:52:00,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:52:00,057 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:52:00,059 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:52:00,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:51:48" (1/3) ... [2021-12-28 04:52:00,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6952657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:52:00, skipping insertion in model container [2021-12-28 04:52:00,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:51:52" (2/3) ... [2021-12-28 04:52:00,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6952657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:52:00, skipping insertion in model container [2021-12-28 04:52:00,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:52:00" (3/3) ... [2021-12-28 04:52:00,062 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-12-28 04:52:00,065 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:52:00,065 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:52:00,109 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:52:00,117 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 04:52:00,117 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:52:00,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 2399 states, 1649 states have (on average 1.2941176470588236) internal successors, (2134), 1700 states have internal predecessors, (2134), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) [2021-12-28 04:52:00,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-28 04:52:00,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:52:00,178 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:00,178 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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 04:52:00,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:52:00,183 INFO L85 PathProgramCache]: Analyzing trace with hash 2143999495, now seen corresponding path program 1 times [2021-12-28 04:52:00,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:52:00,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251524618] [2021-12-28 04:52:00,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:52:00,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:52:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:00,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:52:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:00,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:52:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:52:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:52:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:52:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:52:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:01,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:01,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:52:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 04:52:01,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:52:01,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251524618] [2021-12-28 04:52:01,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251524618] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:52:01,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:52:01,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:52:01,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455945494] [2021-12-28 04:52:01,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:52:01,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:52:01,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:52:01,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:52:01,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:52:01,085 INFO L87 Difference]: Start difference. First operand has 2399 states, 1649 states have (on average 1.2941176470588236) internal successors, (2134), 1700 states have internal predecessors, (2134), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:52:05,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:52:05,837 INFO L93 Difference]: Finished difference Result 6977 states and 10139 transitions. [2021-12-28 04:52:05,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:52:05,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 89 [2021-12-28 04:52:05,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:52:05,885 INFO L225 Difference]: With dead ends: 6977 [2021-12-28 04:52:05,886 INFO L226 Difference]: Without dead ends: 4575 [2021-12-28 04:52:05,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 04:52:05,909 INFO L933 BasicCegarLoop]: 3591 mSDtfsCounter, 3756 mSDsluCounter, 3468 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 1610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4197 SdHoareTripleChecker+Valid, 7059 SdHoareTripleChecker+Invalid, 4090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1610 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:52:05,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4197 Valid, 7059 Invalid, 4090 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1610 Valid, 2480 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-28 04:52:05,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2021-12-28 04:52:06,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4374. [2021-12-28 04:52:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4374 states, 3014 states have (on average 1.265759787657598) internal successors, (3815), 3114 states have internal predecessors, (3815), 1113 states have call successors, (1113), 245 states have call predecessors, (1113), 244 states have return successors, (1113), 1064 states have call predecessors, (1113), 1109 states have call successors, (1113) [2021-12-28 04:52:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 4374 states and 6041 transitions. [2021-12-28 04:52:06,126 INFO L78 Accepts]: Start accepts. Automaton has 4374 states and 6041 transitions. Word has length 89 [2021-12-28 04:52:06,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:52:06,127 INFO L470 AbstractCegarLoop]: Abstraction has 4374 states and 6041 transitions. [2021-12-28 04:52:06,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:52:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 4374 states and 6041 transitions. [2021-12-28 04:52:06,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-28 04:52:06,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:52:06,133 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:06,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:52:06,134 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:52:06,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:52:06,134 INFO L85 PathProgramCache]: Analyzing trace with hash -926596189, now seen corresponding path program 1 times [2021-12-28 04:52:06,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:52:06,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540338419] [2021-12-28 04:52:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:52:06,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:52:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:52:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:52:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:52:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:52:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:52:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:52:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:52:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-28 04:52:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:06,810 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 04:52:06,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:52:06,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540338419] [2021-12-28 04:52:06,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540338419] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:52:06,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:52:06,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:52:06,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477509071] [2021-12-28 04:52:06,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:52:06,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:52:06,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:52:06,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:52:06,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:52:06,814 INFO L87 Difference]: Start difference. First operand 4374 states and 6041 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-28 04:52:11,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:52:11,957 INFO L93 Difference]: Finished difference Result 13261 states and 18438 transitions. [2021-12-28 04:52:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:52:11,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2021-12-28 04:52:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:52:12,015 INFO L225 Difference]: With dead ends: 13261 [2021-12-28 04:52:12,016 INFO L226 Difference]: Without dead ends: 8904 [2021-12-28 04:52:12,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 04:52:12,044 INFO L933 BasicCegarLoop]: 3635 mSDtfsCounter, 4120 mSDsluCounter, 3420 mSDsCounter, 0 mSdLazyCounter, 2550 mSolverCounterSat, 1646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4625 SdHoareTripleChecker+Valid, 7055 SdHoareTripleChecker+Invalid, 4196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1646 IncrementalHoareTripleChecker+Valid, 2550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-28 04:52:12,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4625 Valid, 7055 Invalid, 4196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1646 Valid, 2550 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-28 04:52:12,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8904 states. [2021-12-28 04:52:12,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8904 to 8552. [2021-12-28 04:52:12,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8552 states, 5893 states have (on average 1.2655693195316478) internal successors, (7458), 6085 states have internal predecessors, (7458), 2171 states have call successors, (2171), 486 states have call predecessors, (2171), 485 states have return successors, (2175), 2080 states have call predecessors, (2175), 2167 states have call successors, (2175) [2021-12-28 04:52:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8552 states to 8552 states and 11804 transitions. [2021-12-28 04:52:12,486 INFO L78 Accepts]: Start accepts. Automaton has 8552 states and 11804 transitions. Word has length 94 [2021-12-28 04:52:12,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:52:12,488 INFO L470 AbstractCegarLoop]: Abstraction has 8552 states and 11804 transitions. [2021-12-28 04:52:12,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-28 04:52:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 8552 states and 11804 transitions. [2021-12-28 04:52:12,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-28 04:52:12,491 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:52:12,491 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:52:12,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:52:12,492 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 04:52:12,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:52:12,493 INFO L85 PathProgramCache]: Analyzing trace with hash 463962046, now seen corresponding path program 1 times [2021-12-28 04:52:12,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:52:12,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079579709] [2021-12-28 04:52:12,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:52:12,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:52:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:52:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:52:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:52:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:52:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:52:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:52:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:52:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:13,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 04:52:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:13,036 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 04:52:13,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:52:13,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079579709] [2021-12-28 04:52:13,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079579709] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:52:13,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:52:13,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:52:13,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009862672] [2021-12-28 04:52:13,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:52:13,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:52:13,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:52:13,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:52:13,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:52:13,041 INFO L87 Difference]: Start difference. First operand 8552 states and 11804 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-28 04:52:17,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:52:17,695 INFO L93 Difference]: Finished difference Result 25628 states and 35580 transitions. [2021-12-28 04:52:17,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:52:17,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 99 [2021-12-28 04:52:17,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:52:17,786 INFO L225 Difference]: With dead ends: 25628 [2021-12-28 04:52:17,786 INFO L226 Difference]: Without dead ends: 17093 [2021-12-28 04:52:17,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 04:52:17,822 INFO L933 BasicCegarLoop]: 3617 mSDtfsCounter, 3963 mSDsluCounter, 3449 mSDsCounter, 0 mSdLazyCounter, 2506 mSolverCounterSat, 1664 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4442 SdHoareTripleChecker+Valid, 7066 SdHoareTripleChecker+Invalid, 4170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1664 IncrementalHoareTripleChecker+Valid, 2506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-12-28 04:52:17,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4442 Valid, 7066 Invalid, 4170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1664 Valid, 2506 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-12-28 04:52:17,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17093 states. [2021-12-28 04:52:18,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17093 to 16362. [2021-12-28 04:52:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16362 states, 11265 states have (on average 1.265335108743897) internal successors, (14254), 11645 states have internal predecessors, (14254), 4147 states have call successors, (4147), 956 states have call predecessors, (4147), 947 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2021-12-28 04:52:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 22556 transitions. [2021-12-28 04:52:18,373 INFO L78 Accepts]: Start accepts. Automaton has 16362 states and 22556 transitions. Word has length 99 [2021-12-28 04:52:18,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:52:18,375 INFO L470 AbstractCegarLoop]: Abstraction has 16362 states and 22556 transitions. [2021-12-28 04:52:18,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-28 04:52:18,375 INFO L276 IsEmpty]: Start isEmpty. Operand 16362 states and 22556 transitions. [2021-12-28 04:52:18,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-28 04:52:18,381 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:52:18,381 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:52:18,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:52:18,382 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:52:18,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:52:18,382 INFO L85 PathProgramCache]: Analyzing trace with hash 836421759, now seen corresponding path program 1 times [2021-12-28 04:52:18,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:52:18,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553030565] [2021-12-28 04:52:18,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:52:18,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:52:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:52:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:18,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:52:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:18,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:52:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:52:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:52:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:52:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:52:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:52:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:52:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:52:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:52:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:52:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:52:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:52:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-28 04:52:19,226 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:52:19,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553030565] [2021-12-28 04:52:19,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553030565] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:52:19,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:52:19,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:52:19,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133920353] [2021-12-28 04:52:19,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:52:19,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:52:19,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:52:19,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:52:19,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:52:19,229 INFO L87 Difference]: Start difference. First operand 16362 states and 22556 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-28 04:52:23,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:52:23,037 INFO L93 Difference]: Finished difference Result 17062 states and 23739 transitions. [2021-12-28 04:52:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:52:23,038 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 166 [2021-12-28 04:52:23,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:52:23,113 INFO L225 Difference]: With dead ends: 17062 [2021-12-28 04:52:23,113 INFO L226 Difference]: Without dead ends: 17060 [2021-12-28 04:52:23,127 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:52:23,129 INFO L933 BasicCegarLoop]: 3147 mSDtfsCounter, 3432 mSDsluCounter, 5473 mSDsCounter, 0 mSdLazyCounter, 3254 mSolverCounterSat, 1079 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 8620 SdHoareTripleChecker+Invalid, 4333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1079 IncrementalHoareTripleChecker+Valid, 3254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:52:23,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3811 Valid, 8620 Invalid, 4333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1079 Valid, 3254 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-28 04:52:23,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17060 states. [2021-12-28 04:52:23,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17060 to 16366. [2021-12-28 04:52:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16366 states, 11268 states have (on average 1.2652644657436989) internal successors, (14257), 11648 states have internal predecessors, (14257), 4147 states have call successors, (4147), 957 states have call predecessors, (4147), 948 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2021-12-28 04:52:23,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16366 states to 16366 states and 22559 transitions. [2021-12-28 04:52:23,760 INFO L78 Accepts]: Start accepts. Automaton has 16366 states and 22559 transitions. Word has length 166 [2021-12-28 04:52:23,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:52:23,761 INFO L470 AbstractCegarLoop]: Abstraction has 16366 states and 22559 transitions. [2021-12-28 04:52:23,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-28 04:52:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 16366 states and 22559 transitions. [2021-12-28 04:52:23,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-28 04:52:23,770 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:52:23,771 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:52:23,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:52:23,771 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:52:23,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:52:23,772 INFO L85 PathProgramCache]: Analyzing trace with hash 449362951, now seen corresponding path program 1 times [2021-12-28 04:52:23,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:52:23,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088087767] [2021-12-28 04:52:23,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:52:23,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:52:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:52:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:52:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:52:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:52:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:52:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:52:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:52:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:52:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:52:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:52:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:52:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:52:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:52:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:52:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:52:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-28 04:52:24,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:52:24,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088087767] [2021-12-28 04:52:24,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088087767] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:52:24,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:52:24,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:52:24,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882673955] [2021-12-28 04:52:24,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:52:24,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:52:24,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:52:24,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:52:24,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:52:24,523 INFO L87 Difference]: Start difference. First operand 16366 states and 22559 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:52:28,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:52:28,345 INFO L93 Difference]: Finished difference Result 17066 states and 23742 transitions. [2021-12-28 04:52:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:52:28,346 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2021-12-28 04:52:28,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:52:28,415 INFO L225 Difference]: With dead ends: 17066 [2021-12-28 04:52:28,415 INFO L226 Difference]: Without dead ends: 17064 [2021-12-28 04:52:28,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:52:28,427 INFO L933 BasicCegarLoop]: 3149 mSDtfsCounter, 3427 mSDsluCounter, 5471 mSDsCounter, 0 mSdLazyCounter, 3254 mSolverCounterSat, 1074 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3806 SdHoareTripleChecker+Valid, 8620 SdHoareTripleChecker+Invalid, 4328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1074 IncrementalHoareTripleChecker+Valid, 3254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:52:28,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3806 Valid, 8620 Invalid, 4328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1074 Valid, 3254 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-28 04:52:28,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17064 states. [2021-12-28 04:52:28,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17064 to 16370. [2021-12-28 04:52:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16370 states, 11271 states have (on average 1.2651938603495696) internal successors, (14260), 11651 states have internal predecessors, (14260), 4147 states have call successors, (4147), 958 states have call predecessors, (4147), 949 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2021-12-28 04:52:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16370 states to 16370 states and 22562 transitions. [2021-12-28 04:52:28,969 INFO L78 Accepts]: Start accepts. Automaton has 16370 states and 22562 transitions. Word has length 171 [2021-12-28 04:52:28,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:52:28,969 INFO L470 AbstractCegarLoop]: Abstraction has 16370 states and 22562 transitions. [2021-12-28 04:52:28,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-28 04:52:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 16370 states and 22562 transitions. [2021-12-28 04:52:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-28 04:52:28,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:52:28,976 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:52:28,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 04:52:28,977 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:52:28,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:52:28,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1338692927, now seen corresponding path program 1 times [2021-12-28 04:52:28,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:52:28,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202200422] [2021-12-28 04:52:28,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:52:28,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:52:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:52:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:52:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:52:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:52:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:52:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:52:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:52:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:52:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:52:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:52:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:52:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:52:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:52:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:52:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:52:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-28 04:52:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-12-28 04:52:29,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:52:29,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202200422] [2021-12-28 04:52:29,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202200422] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:52:29,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:52:29,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:52:29,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336533849] [2021-12-28 04:52:29,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:52:29,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:52:29,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:52:29,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:52:29,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:52:29,563 INFO L87 Difference]: Start difference. First operand 16370 states and 22562 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-28 04:52:33,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:52:33,143 INFO L93 Difference]: Finished difference Result 17070 states and 23745 transitions. [2021-12-28 04:52:33,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:52:33,143 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 176 [2021-12-28 04:52:33,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:52:33,232 INFO L225 Difference]: With dead ends: 17070 [2021-12-28 04:52:33,233 INFO L226 Difference]: Without dead ends: 17068 [2021-12-28 04:52:33,250 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:52:33,251 INFO L933 BasicCegarLoop]: 3154 mSDtfsCounter, 3422 mSDsluCounter, 5482 mSDsCounter, 0 mSdLazyCounter, 3257 mSolverCounterSat, 1074 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3800 SdHoareTripleChecker+Valid, 8636 SdHoareTripleChecker+Invalid, 4331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1074 IncrementalHoareTripleChecker+Valid, 3257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:52:33,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3800 Valid, 8636 Invalid, 4331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1074 Valid, 3257 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-28 04:52:33,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17068 states. [2021-12-28 04:52:33,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17068 to 16374. [2021-12-28 04:52:33,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16374 states, 11274 states have (on average 1.2651232925314884) internal successors, (14263), 11654 states have internal predecessors, (14263), 4147 states have call successors, (4147), 959 states have call predecessors, (4147), 950 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2021-12-28 04:52:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16374 states to 16374 states and 22565 transitions. [2021-12-28 04:52:33,760 INFO L78 Accepts]: Start accepts. Automaton has 16374 states and 22565 transitions. Word has length 176 [2021-12-28 04:52:33,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:52:33,760 INFO L470 AbstractCegarLoop]: Abstraction has 16374 states and 22565 transitions. [2021-12-28 04:52:33,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-28 04:52:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 16374 states and 22565 transitions. [2021-12-28 04:52:33,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-28 04:52:33,768 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:52:33,768 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:52:33,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 04:52:33,769 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:52:33,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:52:33,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1163748676, now seen corresponding path program 1 times [2021-12-28 04:52:33,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:52:33,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920791530] [2021-12-28 04:52:33,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:52:33,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:52:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:52:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:52:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:52:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:52:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:52:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:52:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:52:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:52:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:52:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-28 04:52:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:52:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:52:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-28 04:52:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-28 04:52:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-28 04:52:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-28 04:52:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:52:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-28 04:52:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-28 04:52:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-28 04:52:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:52:34,328 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2021-12-28 04:52:34,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:52:34,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920791530] [2021-12-28 04:52:34,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920791530] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:52:34,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:52:34,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:52:34,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214680144] [2021-12-28 04:52:34,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:52:34,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:52:34,330 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:52:34,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:52:34,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:52:34,330 INFO L87 Difference]: Start difference. First operand 16374 states and 22565 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21)