./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-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-ethernet-broadcom-bnx2.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 304212cc9a1a27200535d0165c0dbaf2c66721093abe1a631382badcfc3e5e93 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 07:53:28,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 07:53:28,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 07:53:28,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 07:53:28,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 07:53:28,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 07:53:28,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 07:53:28,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 07:53:28,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 07:53:28,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 07:53:28,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 07:53:28,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 07:53:28,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 07:53:28,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 07:53:28,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 07:53:28,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 07:53:28,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 07:53:28,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 07:53:28,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 07:53:28,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 07:53:28,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 07:53:28,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 07:53:28,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 07:53:28,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 07:53:28,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 07:53:28,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 07:53:28,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 07:53:28,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 07:53:28,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 07:53:28,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 07:53:28,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 07:53:28,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 07:53:28,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 07:53:28,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 07:53:28,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 07:53:28,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 07:53:28,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 07:53:28,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 07:53:28,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 07:53:28,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 07:53:28,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 07:53:28,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 07:53:28,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 07:53:28,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 07:53:28,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 07:53:28,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 07:53:28,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 07:53:28,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 07:53:28,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 07:53:28,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 07:53:28,709 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 07:53:28,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 07:53:28,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 07:53:28,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 07:53:28,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 07:53:28,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 07:53:28,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 07:53:28,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 07:53:28,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 07:53:28,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 07:53:28,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 07:53:28,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 07:53:28,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 07:53:28,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 07:53:28,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 07:53:28,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 07:53:28,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 07:53:28,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 07:53:28,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 07:53:28,714 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 07:53:28,714 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 07:53:28,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 07:53:28,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 07:53:28,714 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304212cc9a1a27200535d0165c0dbaf2c66721093abe1a631382badcfc3e5e93 [2021-11-17 07:53:28,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 07:53:28,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 07:53:28,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 07:53:28,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 07:53:28,940 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 07:53:28,941 INFO L432 ainManager$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-ethernet-broadcom-bnx2.cil.i [2021-11-17 07:53:28,990 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1034a0346/22c2e65334214cd081cc0321816211f0/FLAG8642e2f11 [2021-11-17 07:53:29,680 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 07:53:29,681 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-ethernet-broadcom-bnx2.cil.i [2021-11-17 07:53:29,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1034a0346/22c2e65334214cd081cc0321816211f0/FLAG8642e2f11 [2021-11-17 07:53:30,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1034a0346/22c2e65334214cd081cc0321816211f0 [2021-11-17 07:53:30,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 07:53:30,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 07:53:30,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 07:53:30,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 07:53:30,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 07:53:30,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:53:30" (1/1) ... [2021-11-17 07:53:30,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538080dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:30, skipping insertion in model container [2021-11-17 07:53:30,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 07:53:30" (1/1) ... [2021-11-17 07:53:30,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 07:53:30,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 07:53:35,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[703766,703779] [2021-11-17 07:53:35,604 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-ethernet-broadcom-bnx2.cil.i[703935,703948] [2021-11-17 07:53:35,605 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-ethernet-broadcom-bnx2.cil.i[704102,704115] [2021-11-17 07:53:35,605 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-ethernet-broadcom-bnx2.cil.i[704270,704283] [2021-11-17 07:53:35,644 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 07:53:35,685 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 07:53:36,100 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-ethernet-broadcom-bnx2.cil.i[703766,703779] [2021-11-17 07:53:36,101 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-ethernet-broadcom-bnx2.cil.i[703935,703948] [2021-11-17 07:53:36,101 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-ethernet-broadcom-bnx2.cil.i[704102,704115] [2021-11-17 07:53:36,101 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-ethernet-broadcom-bnx2.cil.i[704270,704283] [2021-11-17 07:53:36,107 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 07:53:36,402 INFO L208 MainTranslator]: Completed translation [2021-11-17 07:53:36,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36 WrapperNode [2021-11-17 07:53:36,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 07:53:36,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 07:53:36,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 07:53:36,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 07:53:36,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:36,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:37,027 INFO L137 Inliner]: procedures = 850, calls = 8704, calls flagged for inlining = 414, calls inlined = 359, statements flattened = 16739 [2021-11-17 07:53:37,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 07:53:37,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 07:53:37,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 07:53:37,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 07:53:37,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:37,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:37,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:37,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:37,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:37,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:37,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:37,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 07:53:37,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 07:53:37,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 07:53:37,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 07:53:37,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (1/1) ... [2021-11-17 07:53:37,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 07:53:37,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 07:53:37,751 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) [2021-11-17 07:53:37,795 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 [2021-11-17 07:53:37,827 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-17 07:53:37,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-17 07:53:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-17 07:53:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-17 07:53:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 07:53:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 07:53:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-17 07:53:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-17 07:53:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-17 07:53:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-17 07:53:37,828 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-17 07:53:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-17 07:53:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 07:53:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 07:53:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-17 07:53:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-17 07:53:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 07:53:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 07:53:37,829 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 07:53:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 07:53:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-17 07:53:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-17 07:53:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-17 07:53:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-17 07:53:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-17 07:53:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-17 07:53:37,830 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-17 07:53:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-17 07:53:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-17 07:53:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-17 07:53:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 07:53:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 07:53:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 07:53:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 07:53:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 07:53:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-17 07:53:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-17 07:53:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-17 07:53:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-17 07:53:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 07:53:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 07:53:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 07:53:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 07:53:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 07:53:37,832 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 07:53:37,832 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-17 07:53:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-17 07:53:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-17 07:53:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-17 07:53:37,833 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-17 07:53:37,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-17 07:53:37,844 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-17 07:53:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-17 07:53:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 07:53:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 07:53:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-17 07:53:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-17 07:53:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 07:53:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 07:53:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-17 07:53:37,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-17 07:53:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 07:53:37,845 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-17 07:53:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-17 07:53:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-17 07:53:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-17 07:53:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-17 07:53:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-17 07:53:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-17 07:53:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-17 07:53:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-17 07:53:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-17 07:53:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 07:53:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 07:53:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-17 07:53:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-17 07:53:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 07:53:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 07:53:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-17 07:53:37,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-17 07:53:37,846 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-17 07:53:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-17 07:53:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-17 07:53:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-17 07:53:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 07:53:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 07:53:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-17 07:53:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-17 07:53:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-17 07:53:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-17 07:53:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-17 07:53:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-17 07:53:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-17 07:53:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-17 07:53:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-17 07:53:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-17 07:53:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 07:53:37,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 07:53:37,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-17 07:53:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 07:53:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 07:53:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-17 07:53:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-17 07:53:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-17 07:53:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 07:53:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 07:53:37,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 07:53:37,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-17 07:53:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-17 07:53:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 07:53:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-17 07:53:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 07:53:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 07:53:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-17 07:53:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-17 07:53:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-17 07:53:37,849 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 07:53:37,849 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 07:53:37,850 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 07:53:37,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 07:53:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-17 07:53:37,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 07:53:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-17 07:53:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 07:53:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-17 07:53:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 07:53:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-17 07:53:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-17 07:53:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-17 07:53:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-17 07:53:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-17 07:53:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 07:53:37,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 07:53:37,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2021-11-17 07:53:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2021-11-17 07:53:37,855 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 07:53:37,855 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 07:53:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-17 07:53:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-17 07:53:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 07:53:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 07:53:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-11-17 07:53:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-11-17 07:53:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-17 07:53:37,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-17 07:53:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 07:53:37,856 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-17 07:53:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-17 07:53:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 07:53:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 07:53:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-17 07:53:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-17 07:53:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-17 07:53:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-17 07:53:37,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2021-11-17 07:53:37,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2021-11-17 07:53:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 07:53:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 07:53:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-17 07:53:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-17 07:53:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 07:53:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 07:53:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-17 07:53:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-17 07:53:37,858 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-17 07:53:37,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-17 07:53:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 07:53:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 07:53:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-17 07:53:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-17 07:53:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 07:53:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 07:53:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 07:53:37,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 07:53:37,859 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-17 07:53:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-17 07:53:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-17 07:53:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-17 07:53:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 07:53:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 07:53:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-17 07:53:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-17 07:53:37,860 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-17 07:53:37,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-17 07:53:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-17 07:53:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-17 07:53:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-17 07:53:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-17 07:53:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 07:53:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 07:53:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 07:53:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 07:53:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-17 07:53:37,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-17 07:53:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-17 07:53:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-17 07:53:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 07:53:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 07:53:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-17 07:53:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-17 07:53:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-17 07:53:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-17 07:53:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-17 07:53:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-17 07:53:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-17 07:53:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-17 07:53:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-17 07:53:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-17 07:53:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-17 07:53:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-17 07:53:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-17 07:53:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-17 07:53:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 07:53:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 07:53:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-17 07:53:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-17 07:53:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-17 07:53:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-17 07:53:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 07:53:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 07:53:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-17 07:53:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-17 07:53:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-17 07:53:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-17 07:53:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 07:53:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 07:53:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 07:53:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 07:53:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 07:53:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 07:53:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 07:53:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 07:53:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 07:53:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 07:53:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 07:53:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-17 07:53:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-17 07:53:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-17 07:53:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-17 07:53:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-17 07:53:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-17 07:53:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-17 07:53:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-17 07:53:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 07:53:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 07:53:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 07:53:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-17 07:53:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-17 07:53:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-17 07:53:37,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-17 07:53:37,867 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 07:53:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 07:53:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 07:53:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-17 07:53:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-17 07:53:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-17 07:53:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-17 07:53:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-17 07:53:37,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-17 07:53:37,868 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 07:53:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 07:53:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-11-17 07:53:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-11-17 07:53:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 07:53:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 07:53:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-17 07:53:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-17 07:53:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2021-11-17 07:53:37,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2021-11-17 07:53:37,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-17 07:53:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-17 07:53:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-17 07:53:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-17 07:53:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 07:53:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 07:53:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-17 07:53:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-17 07:53:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-17 07:53:37,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-17 07:53:37,870 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-17 07:53:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-17 07:53:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-17 07:53:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-17 07:53:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 07:53:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 07:53:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-17 07:53:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-17 07:53:37,871 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-17 07:53:37,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-17 07:53:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 07:53:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 07:53:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 07:53:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 07:53:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-17 07:53:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-17 07:53:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-17 07:53:37,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-17 07:53:37,872 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-17 07:53:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-17 07:53:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 07:53:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 07:53:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 07:53:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 07:53:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-17 07:53:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-17 07:53:37,873 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 07:53:37,873 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 07:53:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 07:53:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 07:53:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-17 07:53:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-17 07:53:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-17 07:53:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-17 07:53:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-17 07:53:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-17 07:53:37,874 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-17 07:53:37,874 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-17 07:53:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 07:53:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 07:53:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-17 07:53:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-17 07:53:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 07:53:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 07:53:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 07:53:37,875 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-17 07:53:37,875 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-17 07:53:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 07:53:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 07:53:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 07:53:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 07:53:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 07:53:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 07:53:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-17 07:53:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-17 07:53:37,876 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 07:53:37,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 07:53:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-17 07:53:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-17 07:53:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-17 07:53:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-17 07:53:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-17 07:53:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-17 07:53:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 07:53:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 07:53:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-17 07:53:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-17 07:53:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 07:53:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 07:53:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-17 07:53:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-17 07:53:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-17 07:53:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-17 07:53:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 07:53:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 07:53:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-17 07:53:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-17 07:53:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 07:53:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 07:53:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-17 07:53:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-17 07:53:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-17 07:53:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-17 07:53:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-17 07:53:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-17 07:53:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-17 07:53:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-17 07:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 07:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-17 07:53:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-17 07:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-17 07:53:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-17 07:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 07:53:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 07:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 07:53:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 07:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-17 07:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-17 07:53:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-17 07:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-17 07:53:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-17 07:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-17 07:53:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 07:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 07:53:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-17 07:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-17 07:53:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 07:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 07:53:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-17 07:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-17 07:53:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-17 07:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-17 07:53:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-17 07:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-17 07:53:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-17 07:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-17 07:53:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-17 07:53:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-17 07:53:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-17 07:53:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-17 07:53:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 07:53:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 07:53:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 07:53:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 07:53:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-17 07:53:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-17 07:53:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-17 07:53:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-17 07:53:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-17 07:53:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-17 07:53:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 07:53:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 07:53:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-17 07:53:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-17 07:53:37,884 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-17 07:53:37,884 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-17 07:53:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-17 07:53:37,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-17 07:53:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 07:53:37,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-17 07:53:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2021-11-17 07:53:37,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2021-11-17 07:53:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-17 07:53:37,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-17 07:53:37,885 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 07:53:37,885 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 07:53:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-17 07:53:37,886 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-17 07:53:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 07:53:37,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 07:53:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-17 07:53:37,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-17 07:53:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-17 07:53:37,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-17 07:53:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 07:53:37,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 07:53:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-17 07:53:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-17 07:53:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 07:53:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 07:53:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 07:53:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 07:53:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 07:53:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 07:53:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 07:53:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 07:53:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 07:53:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-17 07:53:37,888 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-17 07:53:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-17 07:53:37,888 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-17 07:53:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 07:53:37,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 07:53:37,888 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-17 07:53:37,888 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-17 07:53:39,230 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 07:53:39,235 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 07:53:39,435 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 07:55:46,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 07:55:46,851 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 07:55:46,871 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 07:55:46,872 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-17 07:55:46,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 07:55:46 BoogieIcfgContainer [2021-11-17 07:55:46,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 07:55:46,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 07:55:46,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 07:55:46,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 07:55:46,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 07:53:30" (1/3) ... [2021-11-17 07:55:46,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bebc87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:55:46, skipping insertion in model container [2021-11-17 07:55:46,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 07:53:36" (2/3) ... [2021-11-17 07:55:46,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37bebc87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 07:55:46, skipping insertion in model container [2021-11-17 07:55:46,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 07:55:46" (3/3) ... [2021-11-17 07:55:46,883 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-17 07:55:46,887 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 07:55:46,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 07:55:46,934 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 07:55:46,943 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 [2021-11-17 07:55:46,944 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 07:55:47,016 INFO L276 IsEmpty]: Start isEmpty. Operand has 6080 states, 4203 states have (on average 1.3162027123483226) internal successors, (5532), 4277 states have internal predecessors, (5532), 1615 states have call successors, (1615), 260 states have call predecessors, (1615), 259 states have return successors, (1606), 1596 states have call predecessors, (1606), 1606 states have call successors, (1606) [2021-11-17 07:55:47,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-17 07:55:47,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:55:47,039 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:55:47,039 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:55:47,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:55:47,044 INFO L85 PathProgramCache]: Analyzing trace with hash -858281018, now seen corresponding path program 1 times [2021-11-17 07:55:47,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:55:47,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318322777] [2021-11-17 07:55:47,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:55:47,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:55:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:55:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:47,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:55:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:55:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:55:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:55:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:55:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:55:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:55:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:55:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:55:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:55:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:55:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:55:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:55:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:55:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:55:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:55:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:55:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:55:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 07:55:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 07:55:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 07:55:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 07:55:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:55:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 07:55:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:55:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 07:55:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:55:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 07:55:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 07:55:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:55:48,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 07:55:48,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:55:48,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318322777] [2021-11-17 07:55:48,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318322777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:55:48,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:55:48,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:55:48,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983906731] [2021-11-17 07:55:48,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:55:48,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:55:48,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:55:48,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:55:48,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:55:48,422 INFO L87 Difference]: Start difference. First operand has 6080 states, 4203 states have (on average 1.3162027123483226) internal successors, (5532), 4277 states have internal predecessors, (5532), 1615 states have call successors, (1615), 260 states have call predecessors, (1615), 259 states have return successors, (1606), 1596 states have call predecessors, (1606), 1606 states have call successors, (1606) Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 07:55:50,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:55:52,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:55:55,926 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:56:22,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:56:24,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:56:33,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:56:44,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:56:44,059 INFO L93 Difference]: Finished difference Result 19060 states and 28606 transitions. [2021-11-17 07:56:44,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:56:44,062 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 325 [2021-11-17 07:56:44,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:56:44,162 INFO L225 Difference]: With dead ends: 19060 [2021-11-17 07:56:44,163 INFO L226 Difference]: Without dead ends: 13026 [2021-11-17 07:56:44,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:56:44,224 INFO L933 BasicCegarLoop]: 9348 mSDtfsCounter, 12064 mSDsluCounter, 9869 mSDsCounter, 0 mSdLazyCounter, 6065 mSolverCounterSat, 5458 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13605 SdHoareTripleChecker+Valid, 19217 SdHoareTripleChecker+Invalid, 11528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5458 IncrementalHoareTripleChecker+Valid, 6065 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.2s IncrementalHoareTripleChecker+Time [2021-11-17 07:56:44,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13605 Valid, 19217 Invalid, 11528 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5458 Valid, 6065 Invalid, 5 Unknown, 0 Unchecked, 54.2s Time] [2021-11-17 07:56:44,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13026 states. [2021-11-17 07:56:44,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13026 to 11861. [2021-11-17 07:56:44,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11861 states, 8222 states have (on average 1.3118462661153003) internal successors, (10786), 8369 states have internal predecessors, (10786), 3124 states have call successors, (3124), 514 states have call predecessors, (3124), 512 states have return successors, (3120), 3099 states have call predecessors, (3120), 3120 states have call successors, (3120) [2021-11-17 07:56:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11861 states to 11861 states and 17030 transitions. [2021-11-17 07:56:44,907 INFO L78 Accepts]: Start accepts. Automaton has 11861 states and 17030 transitions. Word has length 325 [2021-11-17 07:56:44,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:56:44,911 INFO L470 AbstractCegarLoop]: Abstraction has 11861 states and 17030 transitions. [2021-11-17 07:56:44,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 07:56:44,912 INFO L276 IsEmpty]: Start isEmpty. Operand 11861 states and 17030 transitions. [2021-11-17 07:56:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-17 07:56:44,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:56:44,921 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:56:44,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 07:56:44,922 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:56:44,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:56:44,922 INFO L85 PathProgramCache]: Analyzing trace with hash 2130504037, now seen corresponding path program 1 times [2021-11-17 07:56:44,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:56:44,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485289223] [2021-11-17 07:56:44,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:56:44,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:56:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:56:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:56:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:56:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:56:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:56:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:56:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:56:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:56:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:56:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:56:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:56:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:56:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:56:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:56:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:56:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:56:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:56:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:56:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:56:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 07:56:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 07:56:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 07:56:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 07:56:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:56:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 07:56:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:56:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 07:56:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:56:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 07:56:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 07:56:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:56:45,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 07:56:45,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:56:45,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485289223] [2021-11-17 07:56:45,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485289223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:56:45,795 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:56:45,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:56:45,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363472904] [2021-11-17 07:56:45,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:56:45,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:56:45,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:56:45,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:56:45,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:56:45,798 INFO L87 Difference]: Start difference. First operand 11861 states and 17030 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 07:56:47,887 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:56:49,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:56:53,442 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:57:25,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:57:26,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:57:41,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:57:45,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:57:49,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:57:49,406 INFO L93 Difference]: Finished difference Result 37270 states and 54010 transitions. [2021-11-17 07:57:49,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:57:49,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 343 [2021-11-17 07:57:49,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:57:49,548 INFO L225 Difference]: With dead ends: 37270 [2021-11-17 07:57:49,549 INFO L226 Difference]: Without dead ends: 25468 [2021-11-17 07:57:49,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:57:49,612 INFO L933 BasicCegarLoop]: 10343 mSDtfsCounter, 11496 mSDsluCounter, 10431 mSDsCounter, 0 mSdLazyCounter, 6155 mSolverCounterSat, 5222 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12993 SdHoareTripleChecker+Valid, 20774 SdHoareTripleChecker+Invalid, 11383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5222 IncrementalHoareTripleChecker+Valid, 6155 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.0s IncrementalHoareTripleChecker+Time [2021-11-17 07:57:49,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12993 Valid, 20774 Invalid, 11383 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5222 Valid, 6155 Invalid, 6 Unknown, 0 Unchecked, 62.0s Time] [2021-11-17 07:57:49,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25468 states. [2021-11-17 07:57:50,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25468 to 23118. [2021-11-17 07:57:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23118 states, 16037 states have (on average 1.3114048762237327) internal successors, (21031), 16321 states have internal predecessors, (21031), 6061 states have call successors, (6061), 1021 states have call predecessors, (6061), 1017 states have return successors, (6057), 6017 states have call predecessors, (6057), 6057 states have call successors, (6057) [2021-11-17 07:57:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23118 states to 23118 states and 33149 transitions. [2021-11-17 07:57:50,405 INFO L78 Accepts]: Start accepts. Automaton has 23118 states and 33149 transitions. Word has length 343 [2021-11-17 07:57:50,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:57:50,407 INFO L470 AbstractCegarLoop]: Abstraction has 23118 states and 33149 transitions. [2021-11-17 07:57:50,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 07:57:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 23118 states and 33149 transitions. [2021-11-17 07:57:50,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-17 07:57:50,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:57:50,413 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:57:50,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 07:57:50,413 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)] === [2021-11-17 07:57:50,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:57:50,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1038069936, now seen corresponding path program 1 times [2021-11-17 07:57:50,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:57:50,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447778299] [2021-11-17 07:57:50,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:57:50,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:57:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:57:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:57:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:57:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:57:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:57:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:57:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:57:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:57:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:57:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:57:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:57:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:57:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:57:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:57:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:57:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:57:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:57:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:57:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:57:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 07:57:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 07:57:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 07:57:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 07:57:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:57:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 07:57:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:57:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 07:57:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:57:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 07:57:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 07:57:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:57:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 07:57:51,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:57:51,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447778299] [2021-11-17 07:57:51,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447778299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:57:51,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:57:51,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:57:51,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617921019] [2021-11-17 07:57:51,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:57:51,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:57:51,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:57:51,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:57:51,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:57:51,242 INFO L87 Difference]: Start difference. First operand 23118 states and 33149 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 07:57:53,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:57:55,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:57:59,273 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:58:36,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:58:38,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:58:48,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:58:48,765 INFO L93 Difference]: Finished difference Result 69353 states and 100293 transitions. [2021-11-17 07:58:48,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:58:48,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 345 [2021-11-17 07:58:48,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:58:49,001 INFO L225 Difference]: With dead ends: 69353 [2021-11-17 07:58:49,001 INFO L226 Difference]: Without dead ends: 46294 [2021-11-17 07:58:49,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:58:49,115 INFO L933 BasicCegarLoop]: 9123 mSDtfsCounter, 10555 mSDsluCounter, 9807 mSDsCounter, 0 mSdLazyCounter, 5907 mSolverCounterSat, 5122 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11868 SdHoareTripleChecker+Valid, 18930 SdHoareTripleChecker+Invalid, 11034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5122 IncrementalHoareTripleChecker+Valid, 5907 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.7s IncrementalHoareTripleChecker+Time [2021-11-17 07:58:49,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11868 Valid, 18930 Invalid, 11034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5122 Valid, 5907 Invalid, 5 Unknown, 0 Unchecked, 55.7s Time] [2021-11-17 07:58:49,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46294 states. [2021-11-17 07:58:50,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46294 to 43852. [2021-11-17 07:58:50,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43852 states, 30235 states have (on average 1.3079874317843558) internal successors, (39547), 30829 states have internal predecessors, (39547), 11503 states have call successors, (11503), 1979 states have call predecessors, (11503), 2111 states have return successors, (12270), 11531 states have call predecessors, (12270), 11499 states have call successors, (12270) [2021-11-17 07:58:50,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43852 states to 43852 states and 63320 transitions. [2021-11-17 07:58:50,906 INFO L78 Accepts]: Start accepts. Automaton has 43852 states and 63320 transitions. Word has length 345 [2021-11-17 07:58:50,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:58:50,909 INFO L470 AbstractCegarLoop]: Abstraction has 43852 states and 63320 transitions. [2021-11-17 07:58:50,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 07:58:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 43852 states and 63320 transitions. [2021-11-17 07:58:50,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-17 07:58:50,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:58:50,915 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:58:50,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 07:58:50,916 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:58:50,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:58:50,916 INFO L85 PathProgramCache]: Analyzing trace with hash -231107355, now seen corresponding path program 1 times [2021-11-17 07:58:50,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:58:50,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288013564] [2021-11-17 07:58:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:58:50,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:58:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:58:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:58:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:58:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:58:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:58:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:58:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:58:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:58:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:58:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:58:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:58:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:58:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:58:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:58:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:58:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:58:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:58:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:58:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:58:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 07:58:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 07:58:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 07:58:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 07:58:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:58:51,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 07:58:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:58:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 07:58:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 07:58:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 07:58:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 07:58:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:58:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 07:58:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:58:51,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 07:58:51,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:58:51,663 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288013564] [2021-11-17 07:58:51,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288013564] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:58:51,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:58:51,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:58:51,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584926728] [2021-11-17 07:58:51,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:58:51,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:58:51,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:58:51,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:58:51,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:58:51,665 INFO L87 Difference]: Start difference. First operand 43852 states and 63320 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 07:58:53,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:58:55,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:59:00,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:59:38,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:59:40,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:59:46,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 07:59:51,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 07:59:51,507 INFO L93 Difference]: Finished difference Result 134085 states and 195817 transitions. [2021-11-17 07:59:51,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 07:59:51,510 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 347 [2021-11-17 07:59:51,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 07:59:52,221 INFO L225 Difference]: With dead ends: 134085 [2021-11-17 07:59:52,221 INFO L226 Difference]: Without dead ends: 90292 [2021-11-17 07:59:52,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 07:59:52,391 INFO L933 BasicCegarLoop]: 9442 mSDtfsCounter, 11868 mSDsluCounter, 9999 mSDsCounter, 0 mSdLazyCounter, 5990 mSolverCounterSat, 5467 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13309 SdHoareTripleChecker+Valid, 19441 SdHoareTripleChecker+Invalid, 11462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5467 IncrementalHoareTripleChecker+Valid, 5990 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.5s IncrementalHoareTripleChecker+Time [2021-11-17 07:59:52,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13309 Valid, 19441 Invalid, 11462 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5467 Valid, 5990 Invalid, 5 Unknown, 0 Unchecked, 56.5s Time] [2021-11-17 07:59:52,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90292 states. [2021-11-17 07:59:54,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90292 to 87950. [2021-11-17 07:59:54,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87950 states, 60763 states have (on average 1.3071606076066027) internal successors, (79427), 62051 states have internal predecessors, (79427), 22851 states have call successors, (22851), 3901 states have call predecessors, (22851), 4333 states have return successors, (26426), 22983 states have call predecessors, (26426), 22847 states have call successors, (26426) [2021-11-17 07:59:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87950 states to 87950 states and 128704 transitions. [2021-11-17 07:59:56,106 INFO L78 Accepts]: Start accepts. Automaton has 87950 states and 128704 transitions. Word has length 347 [2021-11-17 07:59:56,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 07:59:56,107 INFO L470 AbstractCegarLoop]: Abstraction has 87950 states and 128704 transitions. [2021-11-17 07:59:56,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 07:59:56,107 INFO L276 IsEmpty]: Start isEmpty. Operand 87950 states and 128704 transitions. [2021-11-17 07:59:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-11-17 07:59:56,113 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 07:59:56,113 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 07:59:56,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 07:59:56,114 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 07:59:56,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 07:59:56,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1979811883, now seen corresponding path program 1 times [2021-11-17 07:59:56,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 07:59:56,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117090237] [2021-11-17 07:59:56,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 07:59:56,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 07:59:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 07:59:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 07:59:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 07:59:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 07:59:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 07:59:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 07:59:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 07:59:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 07:59:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 07:59:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 07:59:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 07:59:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 07:59:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 07:59:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 07:59:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 07:59:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 07:59:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 07:59:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 07:59:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 07:59:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 07:59:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 07:59:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 07:59:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 07:59:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 07:59:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 07:59:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 07:59:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 07:59:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 07:59:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-17 07:59:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-17 07:59:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 07:59:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 07:59:56,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 07:59:56,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 07:59:56,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117090237] [2021-11-17 07:59:56,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117090237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 07:59:56,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 07:59:56,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 07:59:56,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817977548] [2021-11-17 07:59:56,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 07:59:56,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 07:59:56,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 07:59:56,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 07:59:56,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 07:59:56,969 INFO L87 Difference]: Start difference. First operand 87950 states and 128704 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-17 07:59:59,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:00:01,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:00:04,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:00:48,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:00:51,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:01:00,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:01:00,586 INFO L93 Difference]: Finished difference Result 220394 states and 322850 transitions. [2021-11-17 08:01:00,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:01:00,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 355 [2021-11-17 08:01:00,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:01:01,506 INFO L225 Difference]: With dead ends: 220394 [2021-11-17 08:01:01,507 INFO L226 Difference]: Without dead ends: 132503 [2021-11-17 08:01:01,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:01:01,935 INFO L933 BasicCegarLoop]: 9372 mSDtfsCounter, 11851 mSDsluCounter, 9899 mSDsCounter, 0 mSdLazyCounter, 6082 mSolverCounterSat, 5444 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13335 SdHoareTripleChecker+Valid, 19271 SdHoareTripleChecker+Invalid, 11530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5444 IncrementalHoareTripleChecker+Valid, 6082 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.3s IncrementalHoareTripleChecker+Time [2021-11-17 08:01:01,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13335 Valid, 19271 Invalid, 11530 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5444 Valid, 6082 Invalid, 4 Unknown, 0 Unchecked, 58.3s Time] [2021-11-17 08:01:02,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132503 states. [2021-11-17 08:01:06,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132503 to 129073. [2021-11-17 08:01:06,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129073 states, 89399 states have (on average 1.3061219924160226) internal successors, (116766), 91314 states have internal predecessors, (116766), 33255 states have call successors, (33255), 5782 states have call predecessors, (33255), 6416 states have return successors, (38290), 33439 states have call predecessors, (38290), 33251 states have call successors, (38290) [2021-11-17 08:01:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129073 states to 129073 states and 188311 transitions. [2021-11-17 08:01:08,195 INFO L78 Accepts]: Start accepts. Automaton has 129073 states and 188311 transitions. Word has length 355 [2021-11-17 08:01:08,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:01:08,197 INFO L470 AbstractCegarLoop]: Abstraction has 129073 states and 188311 transitions. [2021-11-17 08:01:08,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-17 08:01:08,197 INFO L276 IsEmpty]: Start isEmpty. Operand 129073 states and 188311 transitions. [2021-11-17 08:01:08,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-17 08:01:08,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:01:08,201 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 27, 27, 27, 27, 27, 27, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:01:08,202 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 08:01:08,202 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:01:08,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:01:08,204 INFO L85 PathProgramCache]: Analyzing trace with hash 822715934, now seen corresponding path program 1 times [2021-11-17 08:01:08,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:01:08,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035911756] [2021-11-17 08:01:08,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:01:08,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:01:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:01:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:08,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:01:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:01:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:01:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:01:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:01:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:01:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:01:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:01:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:01:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:01:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:01:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:01:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:01:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:01:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:01:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:01:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:01:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:01:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:01:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:01:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:01:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:01:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:01:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:01:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:01:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:01:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:01:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:01:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 08:01:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 08:01:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-11-17 08:01:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:01:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3331 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3324 trivial. 0 not checked. [2021-11-17 08:01:09,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:01:09,665 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035911756] [2021-11-17 08:01:09,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035911756] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:01:09,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:01:09,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:01:09,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170993634] [2021-11-17 08:01:09,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:01:09,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:01:09,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:01:09,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:01:09,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:01:09,667 INFO L87 Difference]: Start difference. First operand 129073 states and 188311 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-17 08:01:11,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:01:13,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:01:22,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:04,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:06,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:10,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:12,378 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:20,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:02:20,306 INFO L93 Difference]: Finished difference Result 297627 states and 435068 transitions. [2021-11-17 08:02:20,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:02:20,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 368 [2021-11-17 08:02:20,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:02:21,660 INFO L225 Difference]: With dead ends: 297627 [2021-11-17 08:02:21,660 INFO L226 Difference]: Without dead ends: 168613 [2021-11-17 08:02:22,432 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:02:22,434 INFO L933 BasicCegarLoop]: 10715 mSDtfsCounter, 11480 mSDsluCounter, 10520 mSDsCounter, 0 mSdLazyCounter, 6111 mSolverCounterSat, 5267 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12998 SdHoareTripleChecker+Valid, 21235 SdHoareTripleChecker+Invalid, 11385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5267 IncrementalHoareTripleChecker+Valid, 6111 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.8s IncrementalHoareTripleChecker+Time [2021-11-17 08:02:22,434 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12998 Valid, 21235 Invalid, 11385 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5267 Valid, 6111 Invalid, 7 Unknown, 0 Unchecked, 63.8s Time] [2021-11-17 08:02:22,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168613 states. [2021-11-17 08:02:27,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168613 to 164168. [2021-11-17 08:02:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164168 states, 113757 states have (on average 1.3055460323320762) internal successors, (148515), 116235 states have internal predecessors, (148515), 42246 states have call successors, (42246), 7382 states have call predecessors, (42246), 8162 states have return successors, (48581), 42392 states have call predecessors, (48581), 42242 states have call successors, (48581) [2021-11-17 08:02:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164168 states to 164168 states and 239342 transitions. [2021-11-17 08:02:29,774 INFO L78 Accepts]: Start accepts. Automaton has 164168 states and 239342 transitions. Word has length 368 [2021-11-17 08:02:29,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:02:29,774 INFO L470 AbstractCegarLoop]: Abstraction has 164168 states and 239342 transitions. [2021-11-17 08:02:29,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-17 08:02:29,775 INFO L276 IsEmpty]: Start isEmpty. Operand 164168 states and 239342 transitions. [2021-11-17 08:02:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-11-17 08:02:29,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:02:29,778 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:02:29,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 08:02:29,779 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)] === [2021-11-17 08:02:29,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:02:29,779 INFO L85 PathProgramCache]: Analyzing trace with hash 810066218, now seen corresponding path program 1 times [2021-11-17 08:02:29,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:02:29,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152768352] [2021-11-17 08:02:29,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:02:29,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 08:02:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 08:02:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 08:02:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 08:02:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 08:02:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 08:02:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 08:02:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 08:02:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 08:02:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 08:02:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 08:02:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 08:02:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 08:02:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 08:02:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 08:02:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 08:02:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 08:02:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 08:02:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 08:02:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 08:02:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 08:02:30,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 08:02:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 08:02:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 08:02:30,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 08:02:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 08:02:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 08:02:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 08:02:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 08:02:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 08:02:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 08:02:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 08:02:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-11-17 08:02:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 08:02:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-11-17 08:02:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-17 08:02:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-11-17 08:02:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 08:02:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3535 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3525 trivial. 0 not checked. [2021-11-17 08:02:30,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 08:02:30,502 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152768352] [2021-11-17 08:02:30,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152768352] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 08:02:30,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 08:02:30,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 08:02:30,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374352615] [2021-11-17 08:02:30,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 08:02:30,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 08:02:30,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 08:02:30,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 08:02:30,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 08:02:30,503 INFO L87 Difference]: Start difference. First operand 164168 states and 239342 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-17 08:02:32,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:34,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:02:43,224 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:26,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:28,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:30,725 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:33,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 08:03:45,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 08:03:45,488 INFO L93 Difference]: Finished difference Result 498978 states and 729492 transitions. [2021-11-17 08:03:45,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 08:03:45,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 381 [2021-11-17 08:03:45,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 08:03:48,546 INFO L225 Difference]: With dead ends: 498978 [2021-11-17 08:03:48,547 INFO L226 Difference]: Without dead ends: 334988 [2021-11-17 08:03:49,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 08:03:49,511 INFO L933 BasicCegarLoop]: 13975 mSDtfsCounter, 10616 mSDsluCounter, 12268 mSDsCounter, 0 mSdLazyCounter, 6157 mSolverCounterSat, 4339 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12130 SdHoareTripleChecker+Valid, 26243 SdHoareTripleChecker+Invalid, 10502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4339 IncrementalHoareTripleChecker+Valid, 6157 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.1s IncrementalHoareTripleChecker+Time [2021-11-17 08:03:49,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12130 Valid, 26243 Invalid, 10502 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4339 Valid, 6157 Invalid, 6 Unknown, 0 Unchecked, 63.1s Time] [2021-11-17 08:03:49,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334988 states. [2021-11-17 08:04:01,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334988 to 326217. [2021-11-17 08:04:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326217 states, 226171 states have (on average 1.305861494179183) internal successors, (295348), 230981 states have internal predecessors, (295348), 83837 states have call successors, (83837), 14630 states have call predecessors, (83837), 16206 states have return successors, (96484), 84289 states have call predecessors, (96484), 83833 states have call successors, (96484) [2021-11-17 08:04:04,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326217 states to 326217 states and 475669 transitions. [2021-11-17 08:04:04,933 INFO L78 Accepts]: Start accepts. Automaton has 326217 states and 475669 transitions. Word has length 381 [2021-11-17 08:04:04,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 08:04:04,934 INFO L470 AbstractCegarLoop]: Abstraction has 326217 states and 475669 transitions. [2021-11-17 08:04:04,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-17 08:04:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 326217 states and 475669 transitions. [2021-11-17 08:04:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2021-11-17 08:04:04,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 08:04:04,937 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 08:04:04,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 08:04:04,937 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 08:04:04,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 08:04:04,938 INFO L85 PathProgramCache]: Analyzing trace with hash 950614828, now seen corresponding path program 1 times [2021-11-17 08:04:04,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 08:04:04,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501720116] [2021-11-17 08:04:04,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 08:04:04,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms