./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.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 de309cb006d9ebcc083a8e63406ee72224599a1ace468a6eb3d237a424720136 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:51:38,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:51:38,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:51:38,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:51:38,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:51:38,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:51:38,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:51:38,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:51:38,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:51:38,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:51:38,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:51:38,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:51:38,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:51:38,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:51:38,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:51:38,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:51:38,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:51:38,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:51:38,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:51:38,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:51:38,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:51:38,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:51:38,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:51:38,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:51:38,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:51:38,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:51:38,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:51:38,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:51:38,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:51:38,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:51:38,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:51:38,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:51:38,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:51:38,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:51:38,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:51:38,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:51:38,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:51:38,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:51:38,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:51:38,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:51:38,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:51:38,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:51:38,436 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:51:38,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:51:38,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:51:38,439 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:51:38,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:51:38,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:51:38,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:51:38,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:51:38,441 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:51:38,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:51:38,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:51:38,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:51:38,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:51:38,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:51:38,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:51:38,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:51:38,443 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:51:38,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:51:38,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:51:38,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:51:38,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:51:38,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:51:38,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:51:38,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:51:38,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:51:38,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:51:38,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:51:38,445 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:51:38,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:51:38,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:51:38,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:51:38,446 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de309cb006d9ebcc083a8e63406ee72224599a1ace468a6eb3d237a424720136 [2021-12-22 15:51:38,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:51:38,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:51:38,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:51:38,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:51:38,686 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:51:38,687 INFO L432 ainManager$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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-12-22 15:51:38,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d321959/75794dd4e07e4f97a2ec564cc6d5b5b2/FLAGf2aa9ff28 [2021-12-22 15:51:39,599 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:51:39,600 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-12-22 15:51:39,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d321959/75794dd4e07e4f97a2ec564cc6d5b5b2/FLAGf2aa9ff28 [2021-12-22 15:51:39,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d321959/75794dd4e07e4f97a2ec564cc6d5b5b2 [2021-12-22 15:51:39,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:51:39,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:51:39,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:51:39,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:51:39,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:51:39,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:51:39" (1/1) ... [2021-12-22 15:51:39,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d088c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:39, skipping insertion in model container [2021-12-22 15:51:39,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:51:39" (1/1) ... [2021-12-22 15:51:39,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:51:39,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:51:42,616 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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[408905,408918] [2021-12-22 15:51:42,618 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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409071,409084] [2021-12-22 15:51:42,619 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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409235,409248] [2021-12-22 15:51:42,619 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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409400,409413] [2021-12-22 15:51:42,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:51:42,656 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:51:43,006 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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[408905,408918] [2021-12-22 15:51:43,007 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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409071,409084] [2021-12-22 15:51:43,007 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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409235,409248] [2021-12-22 15:51:43,008 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-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i[409400,409413] [2021-12-22 15:51:43,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:51:43,127 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:51:43,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43 WrapperNode [2021-12-22 15:51:43,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:51:43,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:51:43,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:51:43,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:51:43,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,473 INFO L137 Inliner]: procedures = 434, calls = 2495, calls flagged for inlining = 231, calls inlined = 219, statements flattened = 6694 [2021-12-22 15:51:43,474 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:51:43,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:51:43,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:51:43,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:51:43,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:51:43,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:51:43,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:51:43,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:51:43,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (1/1) ... [2021-12-22 15:51:43,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:51:43,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:51:43,844 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) [2021-12-22 15:51:43,870 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 [2021-12-22 15:51:43,883 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_handler_adjust [2021-12-22 15:51:43,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_handler_adjust [2021-12-22 15:51:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:51:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:51:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-22 15:51:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-22 15:51:43,884 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_core_destroy [2021-12-22 15:51:43,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_core_destroy [2021-12-22 15:51:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:51:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:51:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:51:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:51:43,885 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_watermark_intr_disable [2021-12-22 15:51:43,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_watermark_intr_disable [2021-12-22 15:51:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:51:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:51:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_recv_next [2021-12-22 15:51:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_recv_next [2021-12-22 15:51:43,886 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 15:51:43,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 15:51:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_completed_send_next [2021-12-22 15:51:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_completed_send_next [2021-12-22 15:51:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:51:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:51:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_ce_deinit [2021-12-22 15:51:43,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_ce_deinit [2021-12-22 15:51:43,887 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_start [2021-12-22 15:51:43,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_start [2021-12-22 15:51:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_resume [2021-12-22 15:51:43,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_resume [2021-12-22 15:51:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:51:43,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:51:43,888 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_read32 [2021-12-22 15:51:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_read32 [2021-12-22 15:51:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 15:51:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 15:51:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:51:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:51:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2021-12-22 15:51:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ath10k_pci_exit_13_2 [2021-12-22 15:51:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-22 15:51:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-22 15:51:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2021-12-22 15:51:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2021-12-22 15:51:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:51:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-22 15:51:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-22 15:51:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_mem [2021-12-22 15:51:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_mem [2021-12-22 15:51:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-22 15:51:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-22 15:51:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:51:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:51:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_base_address [2021-12-22 15:51:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_base_address [2021-12-22 15:51:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_write_access [2021-12-22 15:51:43,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_write_access [2021-12-22 15:51:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-22 15:51:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-22 15:51:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:51:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:51:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:51:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:51:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:51:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:51:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:51:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:51:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:51:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:51:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:51:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:51:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:51:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:51:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:51:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:51:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:51:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_wake [2021-12-22 15:51:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_wake [2021-12-22 15:51:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:51:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:51:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_copy_complete_intr_disable [2021-12-22 15:51:43,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_copy_complete_intr_disable [2021-12-22 15:51:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_compl [2021-12-22 15:51:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_compl [2021-12-22 15:51:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_process_ce [2021-12-22 15:51:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_process_ce [2021-12-22 15:51:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_read32 [2021-12-22 15:51:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_read32 [2021-12-22 15:51:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-22 15:51:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-22 15:51:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:51:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:51:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:51:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:51:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_wake [2021-12-22 15:51:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_wake [2021-12-22 15:51:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_cleanup_ce [2021-12-22 15:51:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_cleanup_ce [2021-12-22 15:51:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_disable_interrupts [2021-12-22 15:51:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_disable_interrupts [2021-12-22 15:51:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:51:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:51:43,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:51:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:51:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:51:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_sleep [2021-12-22 15:51:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_sleep [2021-12-22 15:51:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-22 15:51:43,900 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-22 15:51:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:51:43,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:51:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:51:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:51:43,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:51:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:51:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:51:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_request_early_irq [2021-12-22 15:51:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_request_early_irq [2021-12-22 15:51:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:51:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-22 15:51:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-22 15:51:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:51:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:51:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_reg_write32 [2021-12-22 15:51:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_reg_write32 [2021-12-22 15:51:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:51:43,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:51:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 15:51:43,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 15:51:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_get_free_queue_number [2021-12-22 15:51:43,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_get_free_queue_number [2021-12-22 15:51:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_stop [2021-12-22 15:51:43,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_stop [2021-12-22 15:51:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_recv_buf_enqueue [2021-12-22 15:51:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_recv_buf_enqueue [2021-12-22 15:51:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_priv [2021-12-22 15:51:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_priv [2021-12-22 15:51:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:51:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:51:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:51:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:51:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_deinit [2021-12-22 15:51:43,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_deinit [2021-12-22 15:51:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure __roundup_pow_of_two [2021-12-22 15:51:43,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __roundup_pow_of_two [2021-12-22 15:51:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:51:43,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:51:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_rx_pipe_cleanup [2021-12-22 15:51:43,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_rx_pipe_cleanup [2021-12-22 15:51:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_revoke_recv_next [2021-12-22 15:51:43,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_revoke_recv_next [2021-12-22 15:51:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_access [2021-12-22 15:51:43,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_access [2021-12-22 15:51:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-22 15:51:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-22 15:51:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_stop_ce [2021-12-22 15:51:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_stop_ce [2021-12-22 15:51:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_device_reset [2021-12-22 15:51:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_device_reset [2021-12-22 15:51:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:51:43,908 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:51:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:51:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:51:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:51:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:51:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_post_rx_pipe [2021-12-22 15:51:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_post_rx_pipe [2021-12-22 15:51:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_irq [2021-12-22 15:51:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_irq [2021-12-22 15:51:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:51:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:51:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-12-22 15:51:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-12-22 15:51:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_down [2021-12-22 15:51:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_down [2021-12-22 15:51:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:51:43,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:51:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_per_engine_service [2021-12-22 15:51:43,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_per_engine_service [2021-12-22 15:51:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 15:51:43,911 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 15:51:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:51:43,912 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:51:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_send [2021-12-22 15:51:43,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_send [2021-12-22 15:51:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_suspend [2021-12-22 15:51:43,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_suspend [2021-12-22 15:51:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 15:51:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 15:51:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 15:51:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 15:51:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:51:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:51:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:51:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:51:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:51:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_src_ring_read_index_get [2021-12-22 15:51:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_src_ring_read_index_get [2021-12-22 15:51:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ATH10K_SKB_CB [2021-12-22 15:51:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ATH10K_SKB_CB [2021-12-22 15:51:43,914 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_free_early_irq [2021-12-22 15:51:43,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_free_early_irq [2021-12-22 15:51:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:51:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:51:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-12-22 15:51:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_do_pci_sleep [2021-12-22 15:51:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_do_pci_sleep [2021-12-22 15:51:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_kill_tasklet [2021-12-22 15:51:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_kill_tasklet [2021-12-22 15:51:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_remove [2021-12-22 15:51:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_remove [2021-12-22 15:51:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:51:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:51:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:51:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_disable_and_clear_legacy_irq [2021-12-22 15:51:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_disable_and_clear_legacy_irq [2021-12-22 15:51:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-22 15:51:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-22 15:51:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:51:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:51:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_irq_pending [2021-12-22 15:51:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_irq_pending [2021-12-22 15:51:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-22 15:51:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-22 15:51:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:51:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:51:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:51:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:51:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:51:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:51:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-22 15:51:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-22 15:51:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-22 15:51:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-22 15:51:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_write32 [2021-12-22 15:51:43,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_write32 [2021-12-22 15:51:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_map_service_to_pipe [2021-12-22 15:51:43,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_map_service_to_pipe [2021-12-22 15:51:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msi_block [2021-12-22 15:51:43,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msi_block [2021-12-22 15:51:43,920 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:51:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:51:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:51:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:51:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:51:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2021-12-22 15:51:43,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2021-12-22 15:51:43,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:51:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:51:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:51:43,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:51:43,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:51:43,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:51:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_dbg_dump [2021-12-22 15:51:43,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_dbg_dump [2021-12-22 15:51:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2021-12-22 15:51:43,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2021-12-22 15:51:43,923 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_hif_power_up [2021-12-22 15:51:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_hif_power_up [2021-12-22 15:51:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:51:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:51:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_deinit_irq [2021-12-22 15:51:43,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_deinit_irq [2021-12-22 15:51:43,924 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_master [2021-12-22 15:51:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_master [2021-12-22 15:51:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 15:51:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 15:51:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure host_interest_item_address [2021-12-22 15:51:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure host_interest_item_address [2021-12-22 15:51:43,925 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_pci_diag_read_mem [2021-12-22 15:51:43,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_pci_diag_read_mem [2021-12-22 15:51:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-22 15:51:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-22 15:51:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:51:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:51:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_cancel_send_next [2021-12-22 15:51:43,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_cancel_send_next [2021-12-22 15:51:43,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:51:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:51:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:51:43,927 INFO L130 BoogieDeclarations]: Found specification of procedure ath10k_ce_engine_int_status_clear [2021-12-22 15:51:43,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ath10k_ce_engine_int_status_clear [2021-12-22 15:51:44,916 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:51:44,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:51:45,086 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:51:48,293 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:51:48,398 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:51:48,415 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:51:48,415 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 15:51:48,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:51:48 BoogieIcfgContainer [2021-12-22 15:51:48,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:51:48,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:51:48,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:51:48,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:51:48,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:51:39" (1/3) ... [2021-12-22 15:51:48,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3a93b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:51:48, skipping insertion in model container [2021-12-22 15:51:48,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:51:43" (2/3) ... [2021-12-22 15:51:48,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3a93b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:51:48, skipping insertion in model container [2021-12-22 15:51:48,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:51:48" (3/3) ... [2021-12-22 15:51:48,427 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-ath-ath10k-ath10k_pci.cil.i [2021-12-22 15:51:48,432 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:51:48,432 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:51:48,478 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:51:48,483 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 [2021-12-22 15:51:48,483 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:51:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 2479 states, 1643 states have (on average 1.2769324406573341) internal successors, (2098), 1690 states have internal predecessors, (2098), 707 states have call successors, (707), 133 states have call predecessors, (707), 132 states have return successors, (698), 692 states have call predecessors, (698), 698 states have call successors, (698) [2021-12-22 15:51:48,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-12-22 15:51:48,550 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:51:48,550 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:51:48,551 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:51:48,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:51:48,555 INFO L85 PathProgramCache]: Analyzing trace with hash -636415232, now seen corresponding path program 1 times [2021-12-22 15:51:48,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:51:48,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588368766] [2021-12-22 15:51:48,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:51:48,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:51:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:51:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:51:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:51:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:51:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:51:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:51:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:51:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:51:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:51:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:51:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:51:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:51:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:51:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:51:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:51:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:51:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-22 15:51:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-22 15:51:49,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:51:49,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588368766] [2021-12-22 15:51:49,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588368766] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:51:49,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:51:49,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:51:49,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694673882] [2021-12-22 15:51:49,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:51:49,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:51:49,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:51:49,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:51:49,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:51:49,779 INFO L87 Difference]: Start difference. First operand has 2479 states, 1643 states have (on average 1.2769324406573341) internal successors, (2098), 1690 states have internal predecessors, (2098), 707 states have call successors, (707), 133 states have call predecessors, (707), 132 states have return successors, (698), 692 states have call predecessors, (698), 698 states have call successors, (698) Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:51:56,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:51:56,034 INFO L93 Difference]: Finished difference Result 7855 states and 11381 transitions. [2021-12-22 15:51:56,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:51:56,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 193 [2021-12-22 15:51:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:51:56,117 INFO L225 Difference]: With dead ends: 7855 [2021-12-22 15:51:56,118 INFO L226 Difference]: Without dead ends: 5396 [2021-12-22 15:51:56,147 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:51:56,157 INFO L933 BasicCegarLoop]: 3748 mSDtfsCounter, 4722 mSDsluCounter, 3898 mSDsCounter, 0 mSdLazyCounter, 2625 mSolverCounterSat, 2423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5376 SdHoareTripleChecker+Valid, 7646 SdHoareTripleChecker+Invalid, 5048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2423 IncrementalHoareTripleChecker+Valid, 2625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:51:56,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5376 Valid, 7646 Invalid, 5048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2423 Valid, 2625 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-22 15:51:56,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5396 states. [2021-12-22 15:51:56,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5396 to 4794. [2021-12-22 15:51:56,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4794 states, 3183 states have (on average 1.2720703738611372) internal successors, (4049), 3266 states have internal predecessors, (4049), 1350 states have call successors, (1350), 261 states have call predecessors, (1350), 260 states have return successors, (1346), 1334 states have call predecessors, (1346), 1346 states have call successors, (1346) [2021-12-22 15:51:56,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6745 transitions. [2021-12-22 15:51:56,618 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6745 transitions. Word has length 193 [2021-12-22 15:51:56,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:51:56,621 INFO L470 AbstractCegarLoop]: Abstraction has 4794 states and 6745 transitions. [2021-12-22 15:51:56,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:51:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6745 transitions. [2021-12-22 15:51:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-22 15:51:56,641 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:51:56,642 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:51:56,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:51:56,642 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:51:56,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:51:56,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2024077253, now seen corresponding path program 1 times [2021-12-22 15:51:56,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:51:56,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919404715] [2021-12-22 15:51:56,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:51:56,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:51:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:51:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:51:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:56,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:51:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:51:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:51:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:51:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:51:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:51:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:51:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:51:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:51:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:51:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:51:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:51:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:51:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:51:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:51:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:51:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:51:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-22 15:51:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:51:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 15:51:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-22 15:51:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-22 15:51:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:51:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2021-12-22 15:51:57,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:51:57,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919404715] [2021-12-22 15:51:57,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919404715] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:51:57,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:51:57,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:51:57,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695690315] [2021-12-22 15:51:57,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:51:57,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:51:57,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:51:57,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:51:57,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:51:57,436 INFO L87 Difference]: Start difference. First operand 4794 states and 6745 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-22 15:52:00,362 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 [] [2021-12-22 15:52:05,293 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 [] [2021-12-22 15:52:07,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:52:07,080 INFO L93 Difference]: Finished difference Result 5402 states and 7737 transitions. [2021-12-22 15:52:07,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:52:07,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 251 [2021-12-22 15:52:07,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:52:07,122 INFO L225 Difference]: With dead ends: 5402 [2021-12-22 15:52:07,122 INFO L226 Difference]: Without dead ends: 5400 [2021-12-22 15:52:07,128 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:52:07,129 INFO L933 BasicCegarLoop]: 3235 mSDtfsCounter, 3823 mSDsluCounter, 6426 mSDsCounter, 0 mSdLazyCounter, 2867 mSolverCounterSat, 1653 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4211 SdHoareTripleChecker+Valid, 9661 SdHoareTripleChecker+Invalid, 4522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1653 IncrementalHoareTripleChecker+Valid, 2867 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:52:07,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4211 Valid, 9661 Invalid, 4522 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1653 Valid, 2867 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2021-12-22 15:52:07,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5400 states. [2021-12-22 15:52:07,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5400 to 4798. [2021-12-22 15:52:07,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4798 states, 3186 states have (on average 1.2718141870684243) internal successors, (4052), 3269 states have internal predecessors, (4052), 1350 states have call successors, (1350), 262 states have call predecessors, (1350), 261 states have return successors, (1346), 1334 states have call predecessors, (1346), 1346 states have call successors, (1346) [2021-12-22 15:52:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 6748 transitions. [2021-12-22 15:52:07,363 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 6748 transitions. Word has length 251 [2021-12-22 15:52:07,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:52:07,365 INFO L470 AbstractCegarLoop]: Abstraction has 4798 states and 6748 transitions. [2021-12-22 15:52:07,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-22 15:52:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 6748 transitions. [2021-12-22 15:52:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-22 15:52:07,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:52:07,374 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 15:52:07,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:52:07,374 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:52:07,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:52:07,375 INFO L85 PathProgramCache]: Analyzing trace with hash 111723795, now seen corresponding path program 1 times [2021-12-22 15:52:07,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:52:07,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924236718] [2021-12-22 15:52:07,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:52:07,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:52:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:52:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:52:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:52:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:52:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:52:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:52:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:52:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:52:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:52:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:52:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:52:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:52:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:52:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:52:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:52:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:52:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:52:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:08,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:52:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:08,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:52:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-22 15:52:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 15:52:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-22 15:52:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-22 15:52:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-22 15:52:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2021-12-22 15:52:08,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:52:08,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924236718] [2021-12-22 15:52:08,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924236718] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:52:08,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:52:08,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:52:08,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71427260] [2021-12-22 15:52:08,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:52:08,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:52:08,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:52:08,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:52:08,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:52:08,084 INFO L87 Difference]: Start difference. First operand 4798 states and 6748 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-22 15:52:11,101 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 [] [2021-12-22 15:52:15,325 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 [] [2021-12-22 15:52:17,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:52:17,098 INFO L93 Difference]: Finished difference Result 5406 states and 7740 transitions. [2021-12-22 15:52:17,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:52:17,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 256 [2021-12-22 15:52:17,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:52:17,131 INFO L225 Difference]: With dead ends: 5406 [2021-12-22 15:52:17,135 INFO L226 Difference]: Without dead ends: 5402 [2021-12-22 15:52:17,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:52:17,147 INFO L933 BasicCegarLoop]: 3237 mSDtfsCounter, 3815 mSDsluCounter, 6423 mSDsCounter, 0 mSdLazyCounter, 2867 mSolverCounterSat, 1652 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4204 SdHoareTripleChecker+Valid, 9660 SdHoareTripleChecker+Invalid, 4521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1652 IncrementalHoareTripleChecker+Valid, 2867 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:52:17,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4204 Valid, 9660 Invalid, 4521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1652 Valid, 2867 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2021-12-22 15:52:17,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5402 states. [2021-12-22 15:52:17,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5402 to 4800. [2021-12-22 15:52:17,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4800 states, 3188 states have (on average 1.2713299874529485) internal successors, (4053), 3270 states have internal predecessors, (4053), 1350 states have call successors, (1350), 263 states have call predecessors, (1350), 261 states have return successors, (1346), 1334 states have call predecessors, (1346), 1346 states have call successors, (1346) [2021-12-22 15:52:17,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4800 states to 4800 states and 6749 transitions. [2021-12-22 15:52:17,406 INFO L78 Accepts]: Start accepts. Automaton has 4800 states and 6749 transitions. Word has length 256 [2021-12-22 15:52:17,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:52:17,407 INFO L470 AbstractCegarLoop]: Abstraction has 4800 states and 6749 transitions. [2021-12-22 15:52:17,408 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-22 15:52:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 4800 states and 6749 transitions. [2021-12-22 15:52:17,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-12-22 15:52:17,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:52:17,418 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:52:17,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:52:17,418 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:52:17,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:52:17,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1329882875, now seen corresponding path program 1 times [2021-12-22 15:52:17,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:52:17,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703995431] [2021-12-22 15:52:17,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:52:17,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:52:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:52:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:52:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:52:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:52:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:52:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:52:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:52:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:52:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:52:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:52:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:52:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:52:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:52:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:52:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:52:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:52:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2021-12-22 15:52:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:52:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-22 15:52:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-22 15:52:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 15:52:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-22 15:52:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-22 15:52:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-22 15:52:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-22 15:52:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:18,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1185 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1181 trivial. 0 not checked. [2021-12-22 15:52:18,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:52:18,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703995431] [2021-12-22 15:52:18,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703995431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:52:18,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:52:18,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:52:18,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896483087] [2021-12-22 15:52:18,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:52:18,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:52:18,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:52:18,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:52:18,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:52:18,110 INFO L87 Difference]: Start difference. First operand 4800 states and 6749 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-22 15:52:22,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:52:22,168 INFO L93 Difference]: Finished difference Result 5402 states and 7736 transitions. [2021-12-22 15:52:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 15:52:22,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 261 [2021-12-22 15:52:22,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:52:22,171 INFO L225 Difference]: With dead ends: 5402 [2021-12-22 15:52:22,171 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 15:52:22,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:52:22,193 INFO L933 BasicCegarLoop]: 3237 mSDtfsCounter, 3807 mSDsluCounter, 6430 mSDsCounter, 0 mSdLazyCounter, 2870 mSolverCounterSat, 1649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4195 SdHoareTripleChecker+Valid, 9667 SdHoareTripleChecker+Invalid, 4519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1649 IncrementalHoareTripleChecker+Valid, 2870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:52:22,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4195 Valid, 9667 Invalid, 4519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1649 Valid, 2870 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-22 15:52:22,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 15:52:22,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 15:52:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 15:52:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 15:52:22,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 261 [2021-12-22 15:52:22,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:52:22,196 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 15:52:22,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-22 15:52:22,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 15:52:22,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 15:52:22,200 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 15:52:22,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:52:22,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.