./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:52:37,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:52:37,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:52:37,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:52:37,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:52:37,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:52:37,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:52:37,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:52:37,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:52:37,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:52:37,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:52:37,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:52:37,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:52:37,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:52:37,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:52:37,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:52:37,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:52:37,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:52:37,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:52:37,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:52:37,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:52:37,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:52:37,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:52:37,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:52:37,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:52:37,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:52:37,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:52:37,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:52:37,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:52:37,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:52:37,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:52:37,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:52:37,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:52:37,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:52:37,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:52:37,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:52:37,642 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:52:37,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:52:37,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:52:37,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:52:37,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:52:37,645 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:52:37,670 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:52:37,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:52:37,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:52:37,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:52:37,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:52:37,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:52:37,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:52:37,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:52:37,672 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:52:37,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:52:37,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:52:37,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:52:37,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:52:37,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:52:37,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:52:37,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:52:37,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:52:37,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:52:37,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:52:37,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:52:37,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:52:37,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:52:37,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:52:37,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:52:37,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:52:37,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:52:37,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:52:37,676 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:52:37,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:52:37,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:52:37,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:52:37,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2021-12-22 15:52:37,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:52:37,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:52:37,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:52:37,925 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:52:37,926 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:52:37,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-22 15:52:37,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2551c1892/dd619b7a2b6b41988aad0c5fc4c03b86/FLAG2f1cfe06b [2021-12-22 15:52:38,670 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:52:38,671 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-22 15:52:38,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2551c1892/dd619b7a2b6b41988aad0c5fc4c03b86/FLAG2f1cfe06b [2021-12-22 15:52:39,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2551c1892/dd619b7a2b6b41988aad0c5fc4c03b86 [2021-12-22 15:52:39,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:52:39,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:52:39,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:52:39,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:52:39,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:52:39,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:39,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c23b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39, skipping insertion in model container [2021-12-22 15:52:39,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:39,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:52:39,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:52:43,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-12-22 15:52:43,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-12-22 15:52:43,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-12-22 15:52:43,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-12-22 15:52:43,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:52:43,194 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:52:43,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2021-12-22 15:52:43,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2021-12-22 15:52:43,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2021-12-22 15:52:43,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2021-12-22 15:52:43,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:52:43,696 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:52:43,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43 WrapperNode [2021-12-22 15:52:43,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:52:43,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:52:43,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:52:43,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:52:43,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:43,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:43,981 INFO L137 Inliner]: procedures = 676, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8524 [2021-12-22 15:52:43,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:52:43,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:52:43,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:52:43,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:52:43,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:43,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:44,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:44,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:44,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:44,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:44,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:44,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:52:44,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:52:44,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:52:44,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:52:44,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (1/1) ... [2021-12-22 15:52:44,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:52:44,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:52:44,341 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 15:52:44,361 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 15:52:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-22 15:52:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-22 15:52:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:52:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:52:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-22 15:52:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-22 15:52:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-22 15:52:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-22 15:52:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:52:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:52:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-22 15:52:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-22 15:52:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-22 15:52:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-22 15:52:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-22 15:52:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-22 15:52:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-22 15:52:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-22 15:52:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-22 15:52:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-22 15:52:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:52:44,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:52:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:52:44,375 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:52:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-22 15:52:44,375 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-22 15:52:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:52:44,375 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:52:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:52:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:52:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-22 15:52:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-22 15:52:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-22 15:52:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-22 15:52:44,376 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-22 15:52:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-22 15:52:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:52:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:52:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-22 15:52:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-22 15:52:44,377 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-22 15:52:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-22 15:52:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:52:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:52:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:52:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:52:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:52:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:52:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:52:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:52:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-22 15:52:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-22 15:52:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-22 15:52:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-22 15:52:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:52:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:52:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-22 15:52:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-22 15:52:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-22 15:52:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-22 15:52:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:52:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:52:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:52:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-22 15:52:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-22 15:52:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2021-12-22 15:52:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2021-12-22 15:52:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-22 15:52:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-22 15:52:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-22 15:52:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-22 15:52:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-22 15:52:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-22 15:52:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-22 15:52:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-22 15:52:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-22 15:52:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:52:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:52:44,383 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:52:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:52:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:52:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-22 15:52:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-22 15:52:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-22 15:52:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-22 15:52:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:52:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:52:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-22 15:52:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-22 15:52:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:52:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:52:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:52:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-22 15:52:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-22 15:52:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:52:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:52:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:52:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:52:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:52:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:52:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:52:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:52:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:52:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-22 15:52:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-22 15:52:44,387 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-22 15:52:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-22 15:52:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:52:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:52:44,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:52:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:52:44,389 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-22 15:52:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-22 15:52:44,391 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-22 15:52:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-22 15:52:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:52:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:52:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:52:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:52:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:52:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:52:44,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:52:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:52:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-22 15:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-22 15:52:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-22 15:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-22 15:52:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:52:44,398 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:52:44,398 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-22 15:52:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-22 15:52:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:52:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 15:52:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 15:52:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:52:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:52:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:52:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:52:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:52:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:52:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-22 15:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-22 15:52:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-22 15:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-22 15:52:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-22 15:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-22 15:52:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:52:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:52:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:52:44,400 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-22 15:52:44,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-22 15:52:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-22 15:52:44,401 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-22 15:52:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-22 15:52:44,401 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-22 15:52:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-22 15:52:44,401 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-22 15:52:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-22 15:52:44,401 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-22 15:52:44,401 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:52:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 15:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 15:52:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:52:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:52:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-22 15:52:44,402 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-22 15:52:44,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:52:44,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:52:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-22 15:52:44,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-22 15:52:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-22 15:52:44,403 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-22 15:52:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:52:44,403 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:52:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-22 15:52:44,403 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-22 15:52:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:52:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:52:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-22 15:52:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-22 15:52:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-22 15:52:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-22 15:52:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:52:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:52:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:52:44,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:52:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-22 15:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-22 15:52:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:52:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:52:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 15:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 15:52:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:52:44,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:52:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 15:52:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-22 15:52:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-22 15:52:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 15:52:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 15:52:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:52:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:52:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-22 15:52:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-22 15:52:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:52:44,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:52:44,406 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-22 15:52:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-22 15:52:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-22 15:52:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-22 15:52:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:52:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:52:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-22 15:52:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-22 15:52:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-22 15:52:44,407 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-22 15:52:44,407 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-22 15:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-22 15:52:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:52:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-22 15:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-22 15:52:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-22 15:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-22 15:52:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:52:44,408 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:52:44,408 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:52:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:52:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:52:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 15:52:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 15:52:44,409 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-22 15:52:44,409 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-22 15:52:44,410 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-22 15:52:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-22 15:52:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 15:52:44,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 15:52:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-22 15:52:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-22 15:52:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:52:44,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:52:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:52:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-22 15:52:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2021-12-22 15:52:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:52:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-22 15:52:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-22 15:52:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:52:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:52:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-22 15:52:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-22 15:52:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-22 15:52:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-22 15:52:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:52:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:52:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-22 15:52:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-22 15:52:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:52:44,415 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:52:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-22 15:52:44,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-22 15:52:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:52:44,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:52:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 15:52:44,416 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 15:52:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-22 15:52:44,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2021-12-22 15:52:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-12-22 15:52:44,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-12-22 15:52:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-22 15:52:44,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-22 15:52:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:52:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:52:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:52:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:52:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2021-12-22 15:52:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2021-12-22 15:52:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-22 15:52:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-22 15:52:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:52:44,417 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:52:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-22 15:52:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-22 15:52:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:52:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:52:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-22 15:52:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-22 15:52:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:52:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:52:44,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:52:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-22 15:52:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-22 15:52:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:52:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:52:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-22 15:52:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-22 15:52:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-22 15:52:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-22 15:52:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-22 15:52:44,419 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-22 15:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:52:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-22 15:52:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-22 15:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:52:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-22 15:52:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-22 15:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-22 15:52:44,420 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-22 15:52:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-22 15:52:44,421 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-22 15:52:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-22 15:52:44,421 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-22 15:52:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-22 15:52:44,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-22 15:52:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2021-12-22 15:52:44,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2021-12-22 15:52:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-22 15:52:44,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-22 15:52:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-22 15:52:44,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-22 15:52:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 15:52:44,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 15:52:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:52:44,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:52:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:52:44,422 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:52:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-22 15:52:44,422 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-22 15:52:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-22 15:52:44,422 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-22 15:52:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-22 15:52:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-22 15:52:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-22 15:52:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-22 15:52:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:52:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:52:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:52:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:52:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:52:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:52:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:52:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:52:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:52:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-22 15:52:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-22 15:52:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-22 15:52:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-22 15:52:45,219 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:52:45,222 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:52:45,328 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:52:52,976 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:52:53,119 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:52:53,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:52:53,142 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-22 15:52:53,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:52:53 BoogieIcfgContainer [2021-12-22 15:52:53,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:52:53,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:52:53,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:52:53,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:52:53,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:52:39" (1/3) ... [2021-12-22 15:52:53,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599fec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:52:53, skipping insertion in model container [2021-12-22 15:52:53,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:43" (2/3) ... [2021-12-22 15:52:53,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@599fec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:52:53, skipping insertion in model container [2021-12-22 15:52:53,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:52:53" (3/3) ... [2021-12-22 15:52:53,153 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-22 15:52:53,160 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:52:53,161 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:52:53,211 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:52:53,215 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 15:52:53,215 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:52:53,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) [2021-12-22 15:52:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-22 15:52:53,308 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:52:53,308 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:52:53,309 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:52:53,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:52:53,312 INFO L85 PathProgramCache]: Analyzing trace with hash -653031862, now seen corresponding path program 1 times [2021-12-22 15:52:53,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:52:53,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934695167] [2021-12-22 15:52:53,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:52:53,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:52:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:52:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:53,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:52:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:53,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:53,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:52:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:53,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:52:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:52:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:52:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:52:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:52:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:52:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:52:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:52:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:52:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:52:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:52:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:52:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:52:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:52:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 15:52:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:52:54,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:52:54,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934695167] [2021-12-22 15:52:54,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934695167] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:52:54,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:52:54,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:52:54,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538803614] [2021-12-22 15:52:54,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:52:54,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:52:54,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:52:54,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:52:54,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:52:54,292 INFO L87 Difference]: Start difference. First operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:53:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:01,205 INFO L93 Difference]: Finished difference Result 9267 states and 13426 transitions. [2021-12-22 15:53:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:01,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2021-12-22 15:53:01,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:01,266 INFO L225 Difference]: With dead ends: 9267 [2021-12-22 15:53:01,266 INFO L226 Difference]: Without dead ends: 6180 [2021-12-22 15:53:01,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:53:01,295 INFO L933 BasicCegarLoop]: 4340 mSDtfsCounter, 5382 mSDsluCounter, 4461 mSDsCounter, 0 mSdLazyCounter, 3058 mSolverCounterSat, 2790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6130 SdHoareTripleChecker+Valid, 8801 SdHoareTripleChecker+Invalid, 5848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2790 IncrementalHoareTripleChecker+Valid, 3058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:01,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6130 Valid, 8801 Invalid, 5848 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2790 Valid, 3058 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-22 15:53:01,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2021-12-22 15:53:01,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 5962. [2021-12-22 15:53:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 3992 states have (on average 1.2567635270541082) internal successors, (5017), 4073 states have internal predecessors, (5017), 1639 states have call successors, (1639), 329 states have call predecessors, (1639), 328 states have return successors, (1635), 1613 states have call predecessors, (1635), 1635 states have call successors, (1635) [2021-12-22 15:53:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2021-12-22 15:53:01,648 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2021-12-22 15:53:01,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:01,651 INFO L470 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2021-12-22 15:53:01,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:53:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2021-12-22 15:53:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-22 15:53:01,659 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:01,660 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:01,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:53:01,661 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:01,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:01,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1601171312, now seen corresponding path program 1 times [2021-12-22 15:53:01,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:01,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227312277] [2021-12-22 15:53:01,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:01,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:53:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:53:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:53:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:53:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-22 15:53:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:53:02,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:02,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227312277] [2021-12-22 15:53:02,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227312277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:02,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:02,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-22 15:53:02,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262584725] [2021-12-22 15:53:02,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:02,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-22 15:53:02,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:02,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-22 15:53:02,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:53:02,366 INFO L87 Difference]: Start difference. First operand 5962 states and 8291 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:53:14,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:14,606 INFO L93 Difference]: Finished difference Result 22273 states and 31103 transitions. [2021-12-22 15:53:14,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:53:14,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 206 [2021-12-22 15:53:14,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:14,702 INFO L225 Difference]: With dead ends: 22273 [2021-12-22 15:53:14,702 INFO L226 Difference]: Without dead ends: 16348 [2021-12-22 15:53:14,732 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-12-22 15:53:14,733 INFO L933 BasicCegarLoop]: 4660 mSDtfsCounter, 9533 mSDsluCounter, 8381 mSDsCounter, 0 mSdLazyCounter, 10554 mSolverCounterSat, 4353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10807 SdHoareTripleChecker+Valid, 13041 SdHoareTripleChecker+Invalid, 14907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4353 IncrementalHoareTripleChecker+Valid, 10554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:14,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10807 Valid, 13041 Invalid, 14907 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4353 Valid, 10554 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2021-12-22 15:53:14,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16348 states. [2021-12-22 15:53:15,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16348 to 15636. [2021-12-22 15:53:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15636 states, 10382 states have (on average 1.2547678674629166) internal successors, (13027), 10605 states have internal predecessors, (13027), 4295 states have call successors, (4295), 957 states have call predecessors, (4295), 956 states have return successors, (4307), 4209 states have call predecessors, (4307), 4291 states have call successors, (4307) [2021-12-22 15:53:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15636 states to 15636 states and 21629 transitions. [2021-12-22 15:53:15,402 INFO L78 Accepts]: Start accepts. Automaton has 15636 states and 21629 transitions. Word has length 206 [2021-12-22 15:53:15,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:15,404 INFO L470 AbstractCegarLoop]: Abstraction has 15636 states and 21629 transitions. [2021-12-22 15:53:15,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:53:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 15636 states and 21629 transitions. [2021-12-22 15:53:15,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-22 15:53:15,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:15,408 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:15,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:53:15,408 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:15,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:15,409 INFO L85 PathProgramCache]: Analyzing trace with hash 978146363, now seen corresponding path program 1 times [2021-12-22 15:53:15,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:15,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193757697] [2021-12-22 15:53:15,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:15,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:53:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:53:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:53:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:53:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-22 15:53:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-22 15:53:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:53:15,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:15,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193757697] [2021-12-22 15:53:15,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193757697] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:15,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:15,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:15,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187856882] [2021-12-22 15:53:15,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:15,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:15,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:15,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:15,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:15,934 INFO L87 Difference]: Start difference. First operand 15636 states and 21629 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:53:22,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:22,167 INFO L93 Difference]: Finished difference Result 47978 states and 67201 transitions. [2021-12-22 15:53:22,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:22,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 216 [2021-12-22 15:53:22,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:22,339 INFO L225 Difference]: With dead ends: 47978 [2021-12-22 15:53:22,339 INFO L226 Difference]: Without dead ends: 32379 [2021-12-22 15:53:22,413 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:53:22,414 INFO L933 BasicCegarLoop]: 4480 mSDtfsCounter, 5378 mSDsluCounter, 4577 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2814 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6099 SdHoareTripleChecker+Valid, 9057 SdHoareTripleChecker+Invalid, 5863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2814 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:22,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6099 Valid, 9057 Invalid, 5863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2814 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-22 15:53:22,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32379 states. [2021-12-22 15:53:23,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32379 to 32237. [2021-12-22 15:53:23,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32237 states, 21571 states have (on average 1.2574289555421632) internal successors, (27124), 22081 states have internal predecessors, (27124), 8662 states have call successors, (8662), 1906 states have call predecessors, (8662), 2001 states have return successors, (9594), 8557 states have call predecessors, (9594), 8658 states have call successors, (9594) [2021-12-22 15:53:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45380 transitions. [2021-12-22 15:53:23,720 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45380 transitions. Word has length 216 [2021-12-22 15:53:23,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:23,721 INFO L470 AbstractCegarLoop]: Abstraction has 32237 states and 45380 transitions. [2021-12-22 15:53:23,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:53:23,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45380 transitions. [2021-12-22 15:53:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-22 15:53:23,724 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:23,725 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:53:23,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:53:23,725 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:23,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:23,725 INFO L85 PathProgramCache]: Analyzing trace with hash 22260385, now seen corresponding path program 1 times [2021-12-22 15:53:23,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:23,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130192239] [2021-12-22 15:53:23,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:23,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:23,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:53:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:53:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:53:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:53:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:53:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-22 15:53:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:53:24,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:24,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130192239] [2021-12-22 15:53:24,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130192239] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:24,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:24,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:24,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164931472] [2021-12-22 15:53:24,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:24,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:24,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:24,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:24,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:24,164 INFO L87 Difference]: Start difference. First operand 32237 states and 45380 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:53:31,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:31,071 INFO L93 Difference]: Finished difference Result 96383 states and 136618 transitions. [2021-12-22 15:53:31,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:31,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 217 [2021-12-22 15:53:31,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted.