./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 14:17:02,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 14:17:02,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 14:17:02,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 14:17:02,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 14:17:02,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 14:17:02,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 14:17:02,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 14:17:02,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 14:17:02,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 14:17:02,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 14:17:02,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 14:17:02,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 14:17:02,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 14:17:02,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 14:17:02,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 14:17:02,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 14:17:02,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 14:17:02,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 14:17:02,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 14:17:02,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 14:17:02,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 14:17:02,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 14:17:02,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 14:17:02,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 14:17:02,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 14:17:02,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 14:17:02,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 14:17:02,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 14:17:02,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 14:17:02,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 14:17:02,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 14:17:02,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 14:17:02,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 14:17:02,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 14:17:02,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 14:17:02,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 14:17:02,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 14:17:02,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 14:17:02,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 14:17:02,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 14:17:02,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 14:17:02,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 14:17:02,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 14:17:02,396 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 14:17:02,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 14:17:02,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 14:17:02,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 14:17:02,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 14:17:02,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 14:17:02,397 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 14:17:02,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 14:17:02,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 14:17:02,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 14:17:02,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 14:17:02,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 14:17:02,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 14:17:02,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 14:17:02,399 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 14:17:02,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 14:17:02,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 14:17:02,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 14:17:02,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 14:17:02,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:17:02,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 14:17:02,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 14:17:02,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 14:17:02,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 14:17:02,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 14:17:02,400 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 14:17:02,401 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 14:17:02,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 14:17:02,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 14:17:02,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2021-12-18 14:17:02,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 14:17:02,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 14:17:02,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 14:17:02,612 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 14:17:02,612 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 14:17:02,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-18 14:17:02,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f818a7d76/25d91e2cae8549838de200ac9fd8e2cc/FLAG85ff16243 [2021-12-18 14:17:03,372 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 14:17:03,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-18 14:17:03,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f818a7d76/25d91e2cae8549838de200ac9fd8e2cc/FLAG85ff16243 [2021-12-18 14:17:03,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f818a7d76/25d91e2cae8549838de200ac9fd8e2cc [2021-12-18 14:17:03,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 14:17:03,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 14:17:03,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 14:17:03,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 14:17:03,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 14:17:03,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:17:03" (1/1) ... [2021-12-18 14:17:03,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffc1d3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:03, skipping insertion in model container [2021-12-18 14:17:03,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:17:03" (1/1) ... [2021-12-18 14:17:03,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 14:17:03,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 14:17:07,528 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-12-18 14:17:07,530 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-12-18 14:17:07,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-12-18 14:17:07,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-12-18 14:17:07,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:17:07,589 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 14:17:07,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2021-12-18 14:17:07,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2021-12-18 14:17:07,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2021-12-18 14:17:07,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2021-12-18 14:17:07,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 14:17:08,187 INFO L208 MainTranslator]: Completed translation [2021-12-18 14:17:08,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08 WrapperNode [2021-12-18 14:17:08,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 14:17:08,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 14:17:08,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 14:17:08,189 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 14:17:08,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,490 INFO L137 Inliner]: procedures = 703, calls = 5887, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 10884 [2021-12-18 14:17:08,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 14:17:08,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 14:17:08,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 14:17:08,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 14:17:08,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 14:17:08,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 14:17:08,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 14:17:08,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 14:17:08,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (1/1) ... [2021-12-18 14:17:08,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 14:17:08,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 14:17:08,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 14:17:08,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 14:17:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2021-12-18 14:17:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2021-12-18 14:17:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 14:17:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 14:17:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2021-12-18 14:17:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2021-12-18 14:17:08,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 14:17:08,917 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 14:17:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 14:17:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 14:17:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-18 14:17:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-18 14:17:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2021-12-18 14:17:08,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2021-12-18 14:17:08,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 14:17:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 14:17:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 14:17:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 14:17:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2021-12-18 14:17:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2021-12-18 14:17:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2021-12-18 14:17:08,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2021-12-18 14:17:08,919 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-18 14:17:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-18 14:17:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:17:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-18 14:17:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2021-12-18 14:17:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2021-12-18 14:17:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2021-12-18 14:17:08,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2021-12-18 14:17:08,920 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2021-12-18 14:17:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2021-12-18 14:17:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 14:17:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 14:17:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 14:17:08,921 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 14:17:08,921 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 14:17:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 14:17:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2021-12-18 14:17:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2021-12-18 14:17:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2021-12-18 14:17:08,922 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2021-12-18 14:17:08,922 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2021-12-18 14:17:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2021-12-18 14:17:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2021-12-18 14:17:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2021-12-18 14:17:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 14:17:08,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 14:17:08,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-18 14:17:08,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-12-18 14:17:08,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 14:17:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 14:17:08,925 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 14:17:08,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 14:17:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-18 14:17:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-18 14:17:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2021-12-18 14:17:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2021-12-18 14:17:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 14:17:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 14:17:08,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 14:17:08,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 14:17:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2021-12-18 14:17:08,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2021-12-18 14:17:08,927 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 14:17:08,927 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 14:17:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 14:17:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 14:17:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 14:17:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 14:17:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 14:17:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 14:17:08,928 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 14:17:08,928 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 14:17:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 14:17:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 14:17:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 14:17:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2021-12-18 14:17:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2021-12-18 14:17:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 14:17:08,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 14:17:08,929 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2021-12-18 14:17:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2021-12-18 14:17:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 14:17:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 14:17:08,930 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2021-12-18 14:17:08,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2021-12-18 14:17:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 14:17:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 14:17:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 14:17:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 14:17:08,931 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 14:17:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 14:17:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 14:17:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 14:17:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 14:17:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 14:17:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 14:17:08,932 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2021-12-18 14:17:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2021-12-18 14:17:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2021-12-18 14:17:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2021-12-18 14:17:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 14:17:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2021-12-18 14:17:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2021-12-18 14:17:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 14:17:08,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 14:17:08,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 14:17:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 14:17:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 14:17:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-18 14:17:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-18 14:17:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 14:17:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 14:17:08,934 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2021-12-18 14:17:08,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2021-12-18 14:17:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 14:17:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 14:17:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 14:17:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 14:17:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 14:17:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 14:17:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 14:17:08,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 14:17:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 14:17:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 14:17:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2021-12-18 14:17:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2021-12-18 14:17:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2021-12-18 14:17:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2021-12-18 14:17:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-18 14:17:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-18 14:17:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 14:17:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 14:17:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 14:17:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 14:17:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-12-18 14:17:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-12-18 14:17:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:17:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-18 14:17:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 14:17:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 14:17:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 14:17:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 14:17:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 14:17:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 14:17:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 14:17:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-12-18 14:17:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-12-18 14:17:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 14:17:08,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 14:17:08,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 14:17:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 14:17:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-18 14:17:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-18 14:17:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 14:17:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 14:17:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 14:17:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 14:17:08,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 14:17:08,939 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 14:17:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 14:17:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 14:17:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:17:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 14:17:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 14:17:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 14:17:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:17:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 14:17:08,940 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 14:17:08,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 14:17:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-12-18 14:17:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-12-18 14:17:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 14:17:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 14:17:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2021-12-18 14:17:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2021-12-18 14:17:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 14:17:08,941 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 14:17:08,941 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2021-12-18 14:17:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2021-12-18 14:17:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 14:17:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 14:17:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2021-12-18 14:17:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2021-12-18 14:17:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 14:17:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 14:17:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 14:17:08,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 14:17:08,942 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2021-12-18 14:17:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2021-12-18 14:17:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2021-12-18 14:17:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2021-12-18 14:17:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 14:17:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 14:17:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2021-12-18 14:17:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2021-12-18 14:17:08,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 14:17:08,943 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 14:17:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2021-12-18 14:17:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2021-12-18 14:17:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 14:17:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 14:17:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 14:17:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 14:17:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-18 14:17:08,944 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-18 14:17:08,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:17:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-18 14:17:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2021-12-18 14:17:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2021-12-18 14:17:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 14:17:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 14:17:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-18 14:17:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-18 14:17:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 14:17:08,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 14:17:08,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2021-12-18 14:17:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2021-12-18 14:17:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2021-12-18 14:17:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2021-12-18 14:17:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2021-12-18 14:17:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2021-12-18 14:17:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 14:17:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 14:17:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-18 14:17:08,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-12-18 14:17:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2021-12-18 14:17:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2021-12-18 14:17:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 14:17:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 14:17:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 14:17:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 14:17:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-18 14:17:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-18 14:17:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-12-18 14:17:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-12-18 14:17:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2021-12-18 14:17:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2021-12-18 14:17:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2021-12-18 14:17:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2021-12-18 14:17:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-18 14:17:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-18 14:17:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-12-18 14:17:08,948 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-12-18 14:17:08,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2021-12-18 14:17:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2021-12-18 14:17:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2021-12-18 14:17:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2021-12-18 14:17:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 14:17:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-12-18 14:17:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-12-18 14:17:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 14:17:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 14:17:08,949 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 14:17:08,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 14:17:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 14:17:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2021-12-18 14:17:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2021-12-18 14:17:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-18 14:17:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-12-18 14:17:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2021-12-18 14:17:08,950 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2021-12-18 14:17:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 14:17:08,950 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 14:17:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 14:17:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:17:08,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 14:17:08,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-18 14:17:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-18 14:17:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2021-12-18 14:17:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2021-12-18 14:17:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 14:17:08,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 14:17:08,955 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 14:17:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 14:17:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2021-12-18 14:17:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2021-12-18 14:17:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 14:17:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 14:17:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2021-12-18 14:17:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2021-12-18 14:17:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2021-12-18 14:17:08,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2021-12-18 14:17:08,956 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-12-18 14:17:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-12-18 14:17:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 14:17:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 14:17:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 14:17:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 14:17:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-12-18 14:17:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-12-18 14:17:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2021-12-18 14:17:08,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2021-12-18 14:17:08,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 14:17:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 14:17:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2021-12-18 14:17:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2021-12-18 14:17:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 14:17:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 14:17:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 14:17:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 14:17:08,958 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2021-12-18 14:17:08,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2021-12-18 14:17:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 14:17:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 14:17:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 14:17:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 14:17:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2021-12-18 14:17:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2021-12-18 14:17:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2021-12-18 14:17:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2021-12-18 14:17:08,959 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2021-12-18 14:17:08,959 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2021-12-18 14:17:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 14:17:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2021-12-18 14:17:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2021-12-18 14:17:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2021-12-18 14:17:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2021-12-18 14:17:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 14:17:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 14:17:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2021-12-18 14:17:08,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2021-12-18 14:17:08,960 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2021-12-18 14:17:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2021-12-18 14:17:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 14:17:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 14:17:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 14:17:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 14:17:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2021-12-18 14:17:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2021-12-18 14:17:08,961 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2021-12-18 14:17:08,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2021-12-18 14:17:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2021-12-18 14:17:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2021-12-18 14:17:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 14:17:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 14:17:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 14:17:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 14:17:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2021-12-18 14:17:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2021-12-18 14:17:08,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2021-12-18 14:17:08,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2021-12-18 14:17:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 14:17:08,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 14:17:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2021-12-18 14:17:08,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2021-12-18 14:17:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2021-12-18 14:17:08,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2021-12-18 14:17:08,963 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-12-18 14:17:08,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-12-18 14:17:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2021-12-18 14:17:08,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2021-12-18 14:17:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2021-12-18 14:17:08,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2021-12-18 14:17:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 14:17:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2021-12-18 14:17:08,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2021-12-18 14:17:08,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 14:17:08,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 14:17:09,903 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 14:17:09,906 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 14:17:10,195 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 14:17:18,274 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 14:17:18,533 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 14:17:18,560 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 14:17:18,560 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 14:17:18,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:17:18 BoogieIcfgContainer [2021-12-18 14:17:18,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 14:17:18,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 14:17:18,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 14:17:18,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 14:17:18,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:17:03" (1/3) ... [2021-12-18 14:17:18,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7945c393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:17:18, skipping insertion in model container [2021-12-18 14:17:18,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:17:08" (2/3) ... [2021-12-18 14:17:18,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7945c393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:17:18, skipping insertion in model container [2021-12-18 14:17:18,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:17:18" (3/3) ... [2021-12-18 14:17:18,572 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-12-18 14:17:18,575 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 14:17:18,576 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-18 14:17:18,618 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 14:17:18,623 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 14:17:18,623 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-18 14:17:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2021-12-18 14:17:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-12-18 14:17:18,693 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:17:18,694 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:17:18,695 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:17:18,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:17:18,700 INFO L85 PathProgramCache]: Analyzing trace with hash -676951814, now seen corresponding path program 1 times [2021-12-18 14:17:18,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:17:18,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162353844] [2021-12-18 14:17:18,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:17:18,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:17:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:17:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:17:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:17:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:17:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:17:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:17:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:17:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:17:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:17:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:17:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:17:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:17:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:17:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:17:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:17:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:17:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:17:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:17:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:17:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:17:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:17:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:17:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 14:17:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-18 14:17:19,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:17:19,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162353844] [2021-12-18 14:17:19,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162353844] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:17:19,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:17:19,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:17:19,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527161684] [2021-12-18 14:17:19,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:17:19,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:17:19,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:17:19,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:17:19,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:17:19,959 INFO L87 Difference]: Start difference. First operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 14:17:25,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:17:28,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:17:28,212 INFO L93 Difference]: Finished difference Result 10087 states and 14560 transitions. [2021-12-18 14:17:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:17:28,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 261 [2021-12-18 14:17:28,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:17:28,281 INFO L225 Difference]: With dead ends: 10087 [2021-12-18 14:17:28,282 INFO L226 Difference]: Without dead ends: 6723 [2021-12-18 14:17:28,305 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:17:28,308 INFO L933 BasicCegarLoop]: 5237 mSDtfsCounter, 5269 mSDsluCounter, 6239 mSDsCounter, 0 mSdLazyCounter, 2498 mSolverCounterSat, 2081 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5934 SdHoareTripleChecker+Valid, 11476 SdHoareTripleChecker+Invalid, 4580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2081 IncrementalHoareTripleChecker+Valid, 2498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-12-18 14:17:28,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5934 Valid, 11476 Invalid, 4580 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2081 Valid, 2498 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2021-12-18 14:17:28,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2021-12-18 14:17:28,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6587. [2021-12-18 14:17:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 4587 states have (on average 1.264442991061696) internal successors, (5800), 4671 states have internal predecessors, (5800), 1658 states have call successors, (1658), 339 states have call predecessors, (1658), 338 states have return successors, (1654), 1622 states have call predecessors, (1654), 1654 states have call successors, (1654) [2021-12-18 14:17:28,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9112 transitions. [2021-12-18 14:17:28,654 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9112 transitions. Word has length 261 [2021-12-18 14:17:28,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:17:28,658 INFO L470 AbstractCegarLoop]: Abstraction has 6587 states and 9112 transitions. [2021-12-18 14:17:28,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 14:17:28,659 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9112 transitions. [2021-12-18 14:17:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-18 14:17:28,666 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:17:28,667 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:17:28,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 14:17:28,667 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:17:28,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:17:28,668 INFO L85 PathProgramCache]: Analyzing trace with hash -835981002, now seen corresponding path program 1 times [2021-12-18 14:17:28,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:17:28,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005377721] [2021-12-18 14:17:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:17:28,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:17:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:17:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:17:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:17:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:17:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:17:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:17:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:17:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:17:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:17:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:17:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:17:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:17:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:17:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:17:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:17:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:17:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:17:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:17:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:17:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:17:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:17:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:17:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:29,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-18 14:17:29,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:17:29,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005377721] [2021-12-18 14:17:29,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005377721] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:17:29,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:17:29,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:17:29,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647433414] [2021-12-18 14:17:29,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:17:29,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:17:29,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:17:29,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:17:29,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:17:29,413 INFO L87 Difference]: Start difference. First operand 6587 states and 9112 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 14:17:35,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:17:38,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:17:38,704 INFO L93 Difference]: Finished difference Result 16506 states and 23047 transitions. [2021-12-18 14:17:38,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:17:38,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 267 [2021-12-18 14:17:38,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:17:38,749 INFO L225 Difference]: With dead ends: 16506 [2021-12-18 14:17:38,750 INFO L226 Difference]: Without dead ends: 9966 [2021-12-18 14:17:38,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:17:38,772 INFO L933 BasicCegarLoop]: 5281 mSDtfsCounter, 5169 mSDsluCounter, 6274 mSDsCounter, 0 mSdLazyCounter, 2526 mSolverCounterSat, 2114 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5841 SdHoareTripleChecker+Valid, 11555 SdHoareTripleChecker+Invalid, 4641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2114 IncrementalHoareTripleChecker+Valid, 2526 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-18 14:17:38,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5841 Valid, 11555 Invalid, 4641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2114 Valid, 2526 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-12-18 14:17:38,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9966 states. [2021-12-18 14:17:39,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9966 to 9737. [2021-12-18 14:17:39,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9737 states, 6776 states have (on average 1.2629870129870129) internal successors, (8558), 6904 states have internal predecessors, (8558), 2449 states have call successors, (2449), 509 states have call predecessors, (2449), 508 states have return successors, (2445), 2392 states have call predecessors, (2445), 2445 states have call successors, (2445) [2021-12-18 14:17:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 13452 transitions. [2021-12-18 14:17:39,115 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 13452 transitions. Word has length 267 [2021-12-18 14:17:39,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:17:39,117 INFO L470 AbstractCegarLoop]: Abstraction has 9737 states and 13452 transitions. [2021-12-18 14:17:39,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 14:17:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 13452 transitions. [2021-12-18 14:17:39,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-18 14:17:39,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:17:39,125 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:17:39,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 14:17:39,126 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:17:39,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:17:39,127 INFO L85 PathProgramCache]: Analyzing trace with hash 314562561, now seen corresponding path program 1 times [2021-12-18 14:17:39,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:17:39,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598379150] [2021-12-18 14:17:39,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:17:39,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:17:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:17:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:17:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:17:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:17:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:17:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:17:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:17:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:17:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:17:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:17:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:17:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:17:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:17:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:17:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:17:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:17:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:17:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:17:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:17:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:17:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:17:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:17:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 14:17:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 14:17:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-18 14:17:39,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:17:39,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598379150] [2021-12-18 14:17:39,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598379150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:17:39,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:17:39,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:17:39,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546166296] [2021-12-18 14:17:39,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:17:39,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:17:39,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:17:39,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:17:39,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:17:39,810 INFO L87 Difference]: Start difference. First operand 9737 states and 13452 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 14:17:43,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:17:43,150 INFO L93 Difference]: Finished difference Result 19402 states and 27003 transitions. [2021-12-18 14:17:43,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:17:43,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2021-12-18 14:17:43,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:17:43,202 INFO L225 Difference]: With dead ends: 19402 [2021-12-18 14:17:43,202 INFO L226 Difference]: Without dead ends: 9712 [2021-12-18 14:17:43,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:17:43,242 INFO L933 BasicCegarLoop]: 4391 mSDtfsCounter, 4476 mSDsluCounter, 2250 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 1249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5023 SdHoareTripleChecker+Valid, 6641 SdHoareTripleChecker+Invalid, 2228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1249 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:17:43,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5023 Valid, 6641 Invalid, 2228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1249 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-12-18 14:17:43,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9712 states. [2021-12-18 14:17:43,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9712 to 9515. [2021-12-18 14:17:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9515 states, 6633 states have (on average 1.2620232172470978) internal successors, (8371), 6752 states have internal predecessors, (8371), 2375 states have call successors, (2375), 504 states have call predecessors, (2375), 503 states have return successors, (2371), 2321 states have call predecessors, (2371), 2371 states have call successors, (2371) [2021-12-18 14:17:43,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9515 states to 9515 states and 13117 transitions. [2021-12-18 14:17:43,578 INFO L78 Accepts]: Start accepts. Automaton has 9515 states and 13117 transitions. Word has length 269 [2021-12-18 14:17:43,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:17:43,579 INFO L470 AbstractCegarLoop]: Abstraction has 9515 states and 13117 transitions. [2021-12-18 14:17:43,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 14:17:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 9515 states and 13117 transitions. [2021-12-18 14:17:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-18 14:17:43,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:17:43,584 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:17:43,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 14:17:43,585 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:17:43,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:17:43,585 INFO L85 PathProgramCache]: Analyzing trace with hash 88640598, now seen corresponding path program 1 times [2021-12-18 14:17:43,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:17:43,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798785225] [2021-12-18 14:17:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:17:43,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:17:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:17:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:17:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:17:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:17:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:17:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:17:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:17:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:17:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:17:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:17:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:17:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:17:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:17:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:17:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:17:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:17:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:17:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:17:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:17:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:17:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:17:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:17:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-18 14:17:44,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:17:44,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798785225] [2021-12-18 14:17:44,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798785225] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:17:44,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:17:44,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:17:44,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447111610] [2021-12-18 14:17:44,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:17:44,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:17:44,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:17:44,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:17:44,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:17:44,225 INFO L87 Difference]: Start difference. First operand 9515 states and 13117 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 14:17:47,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:17:50,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:17:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:17:52,789 INFO L93 Difference]: Finished difference Result 28279 states and 39373 transitions. [2021-12-18 14:17:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:17:52,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 273 [2021-12-18 14:17:52,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:17:52,866 INFO L225 Difference]: With dead ends: 28279 [2021-12-18 14:17:52,867 INFO L226 Difference]: Without dead ends: 18832 [2021-12-18 14:17:52,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:17:52,909 INFO L933 BasicCegarLoop]: 5235 mSDtfsCounter, 4888 mSDsluCounter, 6135 mSDsCounter, 0 mSdLazyCounter, 2524 mSolverCounterSat, 2023 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5504 SdHoareTripleChecker+Valid, 11370 SdHoareTripleChecker+Invalid, 4548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2023 IncrementalHoareTripleChecker+Valid, 2524 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:17:52,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5504 Valid, 11370 Invalid, 4548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2023 Valid, 2524 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2021-12-18 14:17:52,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18832 states. [2021-12-18 14:17:53,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18832 to 18402. [2021-12-18 14:17:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18402 states, 12809 states have (on average 1.2585681942384261) internal successors, (16121), 13050 states have internal predecessors, (16121), 4591 states have call successors, (4591), 999 states have call predecessors, (4591), 998 states have return successors, (4587), 4478 states have call predecessors, (4587), 4587 states have call successors, (4587) [2021-12-18 14:17:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18402 states to 18402 states and 25299 transitions. [2021-12-18 14:17:53,554 INFO L78 Accepts]: Start accepts. Automaton has 18402 states and 25299 transitions. Word has length 273 [2021-12-18 14:17:53,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:17:53,554 INFO L470 AbstractCegarLoop]: Abstraction has 18402 states and 25299 transitions. [2021-12-18 14:17:53,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-18 14:17:53,555 INFO L276 IsEmpty]: Start isEmpty. Operand 18402 states and 25299 transitions. [2021-12-18 14:17:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-18 14:17:53,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:17:53,559 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:17:53,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 14:17:53,559 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:17:53,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:17:53,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1563312886, now seen corresponding path program 1 times [2021-12-18 14:17:53,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:17:53,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836323734] [2021-12-18 14:17:53,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:17:53,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:17:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:17:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:17:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:17:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:17:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:17:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:17:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:17:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:17:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:17:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:17:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:53,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:17:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:17:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:17:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:17:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:17:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:17:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:17:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:17:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:17:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:17:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:17:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:17:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:17:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 14:17:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:17:54,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-18 14:17:54,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:17:54,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836323734] [2021-12-18 14:17:54,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836323734] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:17:54,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:17:54,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:17:54,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609461169] [2021-12-18 14:17:54,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:17:54,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:17:54,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:17:54,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:17:54,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:17:54,145 INFO L87 Difference]: Start difference. First operand 18402 states and 25299 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 14:18:00,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:18:01,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:18:01,909 INFO L93 Difference]: Finished difference Result 51500 states and 71571 transitions. [2021-12-18 14:18:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:18:01,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 273 [2021-12-18 14:18:01,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:18:02,075 INFO L225 Difference]: With dead ends: 51500 [2021-12-18 14:18:02,076 INFO L226 Difference]: Without dead ends: 33166 [2021-12-18 14:18:02,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:18:02,150 INFO L933 BasicCegarLoop]: 4992 mSDtfsCounter, 4230 mSDsluCounter, 6020 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 1899 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4726 SdHoareTripleChecker+Valid, 11012 SdHoareTripleChecker+Invalid, 4255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1899 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-18 14:18:02,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4726 Valid, 11012 Invalid, 4255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1899 Valid, 2355 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2021-12-18 14:18:02,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33166 states. [2021-12-18 14:18:03,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33166 to 32570. [2021-12-18 14:18:03,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32570 states, 22560 states have (on average 1.25177304964539) internal successors, (28240), 22997 states have internal predecessors, (28240), 8135 states have call successors, (8135), 1842 states have call predecessors, (8135), 1871 states have return successors, (8648), 7928 states have call predecessors, (8648), 8131 states have call successors, (8648) [2021-12-18 14:18:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32570 states to 32570 states and 45023 transitions. [2021-12-18 14:18:03,331 INFO L78 Accepts]: Start accepts. Automaton has 32570 states and 45023 transitions. Word has length 273 [2021-12-18 14:18:03,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:18:03,332 INFO L470 AbstractCegarLoop]: Abstraction has 32570 states and 45023 transitions. [2021-12-18 14:18:03,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-18 14:18:03,332 INFO L276 IsEmpty]: Start isEmpty. Operand 32570 states and 45023 transitions. [2021-12-18 14:18:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-12-18 14:18:03,339 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:18:03,340 INFO L514 BasicCegarLoop]: trace histogram [23, 23, 21, 21, 21, 21, 21, 21, 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] [2021-12-18 14:18:03,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 14:18:03,340 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:18:03,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:18:03,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1782645363, now seen corresponding path program 1 times [2021-12-18 14:18:03,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:18:03,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827691557] [2021-12-18 14:18:03,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:18:03,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:18:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:18:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:18:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:18:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:18:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:18:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:18:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:18:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:18:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:18:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:18:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:18:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:18:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:18:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:18:03,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:18:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:18:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:18:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:18:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:18:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:18:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:18:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:18:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 14:18:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 14:18:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2019 trivial. 0 not checked. [2021-12-18 14:18:03,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:18:03,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827691557] [2021-12-18 14:18:03,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827691557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:18:03,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:18:03,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:18:03,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394327933] [2021-12-18 14:18:03,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:18:03,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:18:03,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:18:03,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:18:03,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:18:03,990 INFO L87 Difference]: Start difference. First operand 32570 states and 45023 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 14:18:12,610 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:18:13,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:18:13,020 INFO L93 Difference]: Finished difference Result 81879 states and 113780 transitions. [2021-12-18 14:18:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:18:13,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 298 [2021-12-18 14:18:13,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:18:13,274 INFO L225 Difference]: With dead ends: 81879 [2021-12-18 14:18:13,275 INFO L226 Difference]: Without dead ends: 49377 [2021-12-18 14:18:13,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:18:13,404 INFO L933 BasicCegarLoop]: 5283 mSDtfsCounter, 5076 mSDsluCounter, 6243 mSDsCounter, 0 mSdLazyCounter, 2445 mSolverCounterSat, 2036 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5715 SdHoareTripleChecker+Valid, 11526 SdHoareTripleChecker+Invalid, 4482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2036 IncrementalHoareTripleChecker+Valid, 2445 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-18 14:18:13,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5715 Valid, 11526 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2036 Valid, 2445 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2021-12-18 14:18:13,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49377 states. [2021-12-18 14:18:15,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49377 to 48499. [2021-12-18 14:18:15,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48499 states, 33608 states have (on average 1.2488990716496073) internal successors, (41973), 34284 states have internal predecessors, (41973), 12064 states have call successors, (12064), 2779 states have call predecessors, (12064), 2823 states have return successors, (12796), 11732 states have call predecessors, (12796), 12060 states have call successors, (12796) [2021-12-18 14:18:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48499 states to 48499 states and 66833 transitions. [2021-12-18 14:18:15,444 INFO L78 Accepts]: Start accepts. Automaton has 48499 states and 66833 transitions. Word has length 298 [2021-12-18 14:18:15,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:18:15,446 INFO L470 AbstractCegarLoop]: Abstraction has 48499 states and 66833 transitions. [2021-12-18 14:18:15,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 14:18:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 48499 states and 66833 transitions. [2021-12-18 14:18:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-18 14:18:15,454 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:18:15,455 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:18:15,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 14:18:15,455 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:18:15,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:18:15,456 INFO L85 PathProgramCache]: Analyzing trace with hash -635610412, now seen corresponding path program 1 times [2021-12-18 14:18:15,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:18:15,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447379217] [2021-12-18 14:18:15,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:18:15,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:18:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:18:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:18:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:18:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:18:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:18:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:15,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:18:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:18:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:18:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:18:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:18:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:18:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:18:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:18:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:18:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:18:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:18:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:18:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:18:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:18:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:18:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:18:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:18:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 14:18:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 14:18:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 14:18:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 14:18:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:16,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-12-18 14:18:16,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:18:16,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447379217] [2021-12-18 14:18:16,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447379217] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:18:16,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:18:16,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:18:16,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931729745] [2021-12-18 14:18:16,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:18:16,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:18:16,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:18:16,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:18:16,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:18:16,203 INFO L87 Difference]: Start difference. First operand 48499 states and 66833 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 14:18:24,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:18:25,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:18:25,340 INFO L93 Difference]: Finished difference Result 124799 states and 172710 transitions. [2021-12-18 14:18:25,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:18:25,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 306 [2021-12-18 14:18:25,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:18:25,848 INFO L225 Difference]: With dead ends: 124799 [2021-12-18 14:18:25,848 INFO L226 Difference]: Without dead ends: 76368 [2021-12-18 14:18:25,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:18:25,995 INFO L933 BasicCegarLoop]: 7063 mSDtfsCounter, 3848 mSDsluCounter, 7041 mSDsCounter, 0 mSdLazyCounter, 2465 mSolverCounterSat, 1432 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4397 SdHoareTripleChecker+Valid, 14104 SdHoareTripleChecker+Invalid, 3898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1432 IncrementalHoareTripleChecker+Valid, 2465 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-18 14:18:25,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4397 Valid, 14104 Invalid, 3898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1432 Valid, 2465 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2021-12-18 14:18:26,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76368 states. [2021-12-18 14:18:28,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76368 to 74974. [2021-12-18 14:18:28,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74974 states, 51969 states have (on average 1.2438569146991476) internal successors, (64642), 53048 states have internal predecessors, (64642), 18459 states have call successors, (18459), 4495 states have call predecessors, (18459), 4542 states have return successors, (19585), 17890 states have call predecessors, (19585), 18455 states have call successors, (19585) [2021-12-18 14:18:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74974 states to 74974 states and 102686 transitions. [2021-12-18 14:18:28,800 INFO L78 Accepts]: Start accepts. Automaton has 74974 states and 102686 transitions. Word has length 306 [2021-12-18 14:18:28,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:18:28,800 INFO L470 AbstractCegarLoop]: Abstraction has 74974 states and 102686 transitions. [2021-12-18 14:18:28,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-18 14:18:28,800 INFO L276 IsEmpty]: Start isEmpty. Operand 74974 states and 102686 transitions. [2021-12-18 14:18:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-12-18 14:18:28,803 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:18:28,803 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:18:28,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 14:18:28,803 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:18:28,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:18:28,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1912314472, now seen corresponding path program 1 times [2021-12-18 14:18:28,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:18:28,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963453821] [2021-12-18 14:18:28,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:18:28,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:18:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:18:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:18:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:18:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:18:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:18:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:18:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:18:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:18:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:18:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:18:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:18:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:18:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:18:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:18:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:18:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:18:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:18:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:18:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:18:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:18:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:18:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:18:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 14:18:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 14:18:29,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 14:18:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 14:18:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:18:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 14:18:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:18:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:29,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2184 trivial. 0 not checked. [2021-12-18 14:18:29,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:18:29,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963453821] [2021-12-18 14:18:29,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963453821] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:18:29,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:18:29,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 14:18:29,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538281138] [2021-12-18 14:18:29,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:18:29,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 14:18:29,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:18:29,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 14:18:29,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 14:18:29,482 INFO L87 Difference]: Start difference. First operand 74974 states and 102686 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, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 14:18:39,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:18:41,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:18:41,165 INFO L93 Difference]: Finished difference Result 224806 states and 310185 transitions. [2021-12-18 14:18:41,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 14:18:41,176 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, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 321 [2021-12-18 14:18:41,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:18:42,027 INFO L225 Difference]: With dead ends: 224806 [2021-12-18 14:18:42,028 INFO L226 Difference]: Without dead ends: 150152 [2021-12-18 14:18:42,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 14:18:42,270 INFO L933 BasicCegarLoop]: 6078 mSDtfsCounter, 4964 mSDsluCounter, 6743 mSDsCounter, 0 mSdLazyCounter, 2438 mSolverCounterSat, 1797 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5601 SdHoareTripleChecker+Valid, 12821 SdHoareTripleChecker+Invalid, 4236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1797 IncrementalHoareTripleChecker+Valid, 2438 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-18 14:18:42,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5601 Valid, 12821 Invalid, 4236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1797 Valid, 2438 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2021-12-18 14:18:42,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150152 states. [2021-12-18 14:18:46,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150152 to 147500. [2021-12-18 14:18:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147500 states, 102348 states have (on average 1.2429163246961348) internal successors, (127210), 104327 states have internal predecessors, (127210), 36191 states have call successors, (36191), 8846 states have call predecessors, (36191), 8957 states have return successors, (38447), 35246 states have call predecessors, (38447), 36187 states have call successors, (38447) [2021-12-18 14:18:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147500 states to 147500 states and 201848 transitions. [2021-12-18 14:18:47,665 INFO L78 Accepts]: Start accepts. Automaton has 147500 states and 201848 transitions. Word has length 321 [2021-12-18 14:18:47,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:18:47,666 INFO L470 AbstractCegarLoop]: Abstraction has 147500 states and 201848 transitions. [2021-12-18 14:18:47,666 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, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2021-12-18 14:18:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 147500 states and 201848 transitions. [2021-12-18 14:18:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-12-18 14:18:47,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:18:47,669 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:18:47,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 14:18:47,669 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:18:47,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:18:47,670 INFO L85 PathProgramCache]: Analyzing trace with hash -459424790, now seen corresponding path program 1 times [2021-12-18 14:18:47,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:18:47,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395324037] [2021-12-18 14:18:47,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:18:47,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:18:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:18:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:18:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:18:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:18:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:18:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:18:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:18:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:18:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:18:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:18:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:18:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:18:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:18:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:18:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:18:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:18:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:18:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:18:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:18:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:18:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:18:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:18:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 14:18:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 14:18:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 14:18:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 14:18:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:18:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:18:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 14:18:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:18:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:18:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2021-12-18 14:18:48,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:18:48,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395324037] [2021-12-18 14:18:48,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395324037] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:18:48,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:18:48,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:18:48,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368715884] [2021-12-18 14:18:48,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:18:48,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:18:48,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:18:48,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:18:48,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:18:48,657 INFO L87 Difference]: Start difference. First operand 147500 states and 201848 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 14:18:50,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:18:57,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:18:58,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:18:58,993 INFO L93 Difference]: Finished difference Result 150152 states and 207685 transitions. [2021-12-18 14:18:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:18:58,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 321 [2021-12-18 14:18:58,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:18:59,653 INFO L225 Difference]: With dead ends: 150152 [2021-12-18 14:18:59,653 INFO L226 Difference]: Without dead ends: 150150 [2021-12-18 14:18:59,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:18:59,902 INFO L933 BasicCegarLoop]: 4362 mSDtfsCounter, 4493 mSDsluCounter, 9756 mSDsCounter, 0 mSdLazyCounter, 2478 mSolverCounterSat, 1255 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5036 SdHoareTripleChecker+Valid, 14118 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1255 IncrementalHoareTripleChecker+Valid, 2478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-18 14:18:59,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5036 Valid, 14118 Invalid, 3734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1255 Valid, 2478 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2021-12-18 14:19:00,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150150 states. [2021-12-18 14:19:04,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150150 to 147504. [2021-12-18 14:19:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147504 states, 102351 states have (on average 1.2429092045998573) internal successors, (127213), 104330 states have internal predecessors, (127213), 36191 states have call successors, (36191), 8847 states have call predecessors, (36191), 8958 states have return successors, (38447), 35246 states have call predecessors, (38447), 36187 states have call successors, (38447) [2021-12-18 14:19:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147504 states to 147504 states and 201851 transitions. [2021-12-18 14:19:05,542 INFO L78 Accepts]: Start accepts. Automaton has 147504 states and 201851 transitions. Word has length 321 [2021-12-18 14:19:05,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 14:19:05,543 INFO L470 AbstractCegarLoop]: Abstraction has 147504 states and 201851 transitions. [2021-12-18 14:19:05,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-18 14:19:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 147504 states and 201851 transitions. [2021-12-18 14:19:05,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-18 14:19:05,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 14:19:05,547 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 14:19:05,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 14:19:05,548 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-18 14:19:05,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 14:19:05,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1625282902, now seen corresponding path program 1 times [2021-12-18 14:19:05,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 14:19:05,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653486762] [2021-12-18 14:19:05,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 14:19:05,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 14:19:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 14:19:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 14:19:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 14:19:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 14:19:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 14:19:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 14:19:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 14:19:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 14:19:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 14:19:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 14:19:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 14:19:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:05,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 14:19:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 14:19:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 14:19:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 14:19:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 14:19:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 14:19:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 14:19:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 14:19:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 14:19:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 14:19:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 14:19:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 14:19:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 14:19:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 14:19:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 14:19:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 14:19:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 14:19:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-18 14:19:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 14:19:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 14:19:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 14:19:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2198 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2021-12-18 14:19:06,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 14:19:06,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653486762] [2021-12-18 14:19:06,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653486762] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 14:19:06,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 14:19:06,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 14:19:06,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967678146] [2021-12-18 14:19:06,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 14:19:06,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 14:19:06,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 14:19:06,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 14:19:06,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 14:19:06,229 INFO L87 Difference]: Start difference. First operand 147504 states and 201851 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 14:19:14,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:19:16,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 14:19:18,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 14:19:18,155 INFO L93 Difference]: Finished difference Result 150156 states and 207688 transitions. [2021-12-18 14:19:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 14:19:18,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 326 [2021-12-18 14:19:18,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 14:19:18,869 INFO L225 Difference]: With dead ends: 150156 [2021-12-18 14:19:18,870 INFO L226 Difference]: Without dead ends: 150154 [2021-12-18 14:19:18,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 14:19:18,971 INFO L933 BasicCegarLoop]: 4365 mSDtfsCounter, 4485 mSDsluCounter, 9756 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 1254 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5028 SdHoareTripleChecker+Valid, 14121 SdHoareTripleChecker+Invalid, 3733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1254 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-12-18 14:19:18,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5028 Valid, 14121 Invalid, 3733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1254 Valid, 2477 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2021-12-18 14:19:19,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150154 states.