./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.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 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:48:27,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:48:27,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:48:28,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:48:28,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:48:28,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:48:28,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:48:28,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:48:28,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:48:28,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:48:28,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:48:28,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:48:28,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:48:28,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:48:28,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:48:28,064 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:48:28,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:48:28,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:48:28,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:48:28,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:48:28,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:48:28,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:48:28,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:48:28,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:48:28,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:48:28,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:48:28,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:48:28,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:48:28,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:48:28,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:48:28,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:48:28,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:48:28,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:48:28,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:48:28,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:48:28,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:48:28,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:48:28,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:48:28,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:48:28,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:48:28,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:48:28,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:48:28,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:48:28,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:48:28,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:48:28,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:48:28,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:48:28,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:48:28,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:48:28,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:48:28,141 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:48:28,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:48:28,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:48:28,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:48:28,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:48:28,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:48:28,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:48:28,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:48:28,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:48:28,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:48:28,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:48:28,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:48:28,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:48:28,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:48:28,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:48:28,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:48:28,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:48:28,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:48:28,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:48:28,146 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:48:28,146 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:48:28,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:48:28,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2021-12-28 04:48:28,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:48:28,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:48:28,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:48:28,482 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:48:28,487 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:48:28,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-12-28 04:48:28,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9b29435/2ddb51b728734553bfa4de2d5ffa3256/FLAG1665c15a7 [2021-12-28 04:48:29,463 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:48:29,464 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-12-28 04:48:29,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9b29435/2ddb51b728734553bfa4de2d5ffa3256/FLAG1665c15a7 [2021-12-28 04:48:29,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9b29435/2ddb51b728734553bfa4de2d5ffa3256 [2021-12-28 04:48:29,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:48:29,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:48:29,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:48:29,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:48:29,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:48:29,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:48:29" (1/1) ... [2021-12-28 04:48:29,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683c9802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:29, skipping insertion in model container [2021-12-28 04:48:29,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:48:29" (1/1) ... [2021-12-28 04:48:29,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:48:30,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:48:34,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2021-12-28 04:48:34,229 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2021-12-28 04:48:34,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2021-12-28 04:48:34,230 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2021-12-28 04:48:34,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:48:34,320 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:48:34,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2021-12-28 04:48:34,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2021-12-28 04:48:34,783 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2021-12-28 04:48:34,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2021-12-28 04:48:34,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:48:35,121 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:48:35,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35 WrapperNode [2021-12-28 04:48:35,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:48:35,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:48:35,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:48:35,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:48:35,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,522 INFO L137 Inliner]: procedures = 699, calls = 4066, calls flagged for inlining = 372, calls inlined = 346, statements flattened = 10313 [2021-12-28 04:48:35,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:48:35,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:48:35,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:48:35,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:48:35,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:48:35,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:48:35,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:48:35,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:48:35,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (1/1) ... [2021-12-28 04:48:35,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:48:35,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:48:35,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-28 04:48:35,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-28 04:48:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2021-12-28 04:48:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2021-12-28 04:48:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-28 04:48:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-28 04:48:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-28 04:48:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-28 04:48:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2021-12-28 04:48:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2021-12-28 04:48:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-28 04:48:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-28 04:48:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2021-12-28 04:48:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2021-12-28 04:48:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:48:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:48:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:48:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:48:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-12-28 04:48:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-12-28 04:48:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-28 04:48:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-28 04:48:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:48:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:48:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2021-12-28 04:48:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2021-12-28 04:48:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:48:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:48:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-28 04:48:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-28 04:48:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:48:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:48:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:48:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:48:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2021-12-28 04:48:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2021-12-28 04:48:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:48:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:48:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2021-12-28 04:48:35,993 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2021-12-28 04:48:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2021-12-28 04:48:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2021-12-28 04:48:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2021-12-28 04:48:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2021-12-28 04:48:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:48:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:48:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:48:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:48:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:48:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:48:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:48:35,995 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:48:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:48:35,996 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:48:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:48:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:48:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:48:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:48:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:48:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:48:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-28 04:48:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-28 04:48:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:48:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:48:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:48:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2021-12-28 04:48:35,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2021-12-28 04:48:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-12-28 04:48:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-12-28 04:48:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-28 04:48:35,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-28 04:48:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2021-12-28 04:48:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2021-12-28 04:48:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:48:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:48:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2021-12-28 04:48:36,000 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2021-12-28 04:48:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:48:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2021-12-28 04:48:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2021-12-28 04:48:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2021-12-28 04:48:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2021-12-28 04:48:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2021-12-28 04:48:36,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2021-12-28 04:48:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:48:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:48:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:48:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:48:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2021-12-28 04:48:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2021-12-28 04:48:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:48:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:48:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:48:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:48:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:48:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:48:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:48:36,004 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:48:36,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 04:48:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 04:48:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-28 04:48:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-28 04:48:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:48:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:48:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:48:36,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:48:36,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:48:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:48:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2021-12-28 04:48:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2021-12-28 04:48:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:48:36,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:48:36,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:48:36,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:48:36,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:48:36,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:48:36,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:48:36,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 04:48:36,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 04:48:36,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-28 04:48:36,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-28 04:48:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:48:36,012 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-28 04:48:36,012 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-28 04:48:36,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:48:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:48:36,018 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:48:36,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:48:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:48:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2021-12-28 04:48:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2021-12-28 04:48:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-28 04:48:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-28 04:48:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-28 04:48:36,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:48:36,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:48:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-28 04:48:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-28 04:48:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:48:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:48:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-28 04:48:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-28 04:48:36,020 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2021-12-28 04:48:36,020 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2021-12-28 04:48:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2021-12-28 04:48:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2021-12-28 04:48:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:48:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:48:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 04:48:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 04:48:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:48:36,021 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:48:36,021 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2021-12-28 04:48:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2021-12-28 04:48:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:48:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:48:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2021-12-28 04:48:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2021-12-28 04:48:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-12-28 04:48:36,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-12-28 04:48:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2021-12-28 04:48:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2021-12-28 04:48:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2021-12-28 04:48:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2021-12-28 04:48:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2021-12-28 04:48:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2021-12-28 04:48:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:48:36,023 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:48:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:48:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:48:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2021-12-28 04:48:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2021-12-28 04:48:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2021-12-28 04:48:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2021-12-28 04:48:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2021-12-28 04:48:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2021-12-28 04:48:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2021-12-28 04:48:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2021-12-28 04:48:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:48:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:48:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-28 04:48:36,025 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-28 04:48:36,025 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-28 04:48:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-28 04:48:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 04:48:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 04:48:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:48:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:48:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:48:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:48:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:48:36,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:48:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:48:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:48:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:48:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:48:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-28 04:48:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-12-28 04:48:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2021-12-28 04:48:36,027 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2021-12-28 04:48:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 04:48:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 04:48:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 04:48:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 04:48:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2021-12-28 04:48:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2021-12-28 04:48:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2021-12-28 04:48:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2021-12-28 04:48:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:48:36,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:48:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-28 04:48:36,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-28 04:48:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-28 04:48:36,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-28 04:48:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2021-12-28 04:48:36,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2021-12-28 04:48:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2021-12-28 04:48:36,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2021-12-28 04:48:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-28 04:48:36,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-28 04:48:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:48:36,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:48:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2021-12-28 04:48:36,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2021-12-28 04:48:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-28 04:48:36,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-28 04:48:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2021-12-28 04:48:36,031 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2021-12-28 04:48:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 04:48:36,031 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 04:48:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:48:36,031 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:48:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:48:36,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-28 04:48:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-28 04:48:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2021-12-28 04:48:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2021-12-28 04:48:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2021-12-28 04:48:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2021-12-28 04:48:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:48:36,032 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:48:36,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:48:36,033 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2021-12-28 04:48:36,036 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2021-12-28 04:48:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 04:48:36,036 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 04:48:36,036 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2021-12-28 04:48:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2021-12-28 04:48:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:48:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:48:36,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:48:36,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-28 04:48:36,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-28 04:48:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2021-12-28 04:48:36,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2021-12-28 04:48:36,038 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-28 04:48:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-28 04:48:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-28 04:48:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-28 04:48:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2021-12-28 04:48:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2021-12-28 04:48:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:48:36,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:48:36,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:48:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:48:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:48:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:48:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2021-12-28 04:48:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2021-12-28 04:48:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-28 04:48:36,040 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-28 04:48:36,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2021-12-28 04:48:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2021-12-28 04:48:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2021-12-28 04:48:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2021-12-28 04:48:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2021-12-28 04:48:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2021-12-28 04:48:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2021-12-28 04:48:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2021-12-28 04:48:36,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:48:36,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:48:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:48:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:48:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2021-12-28 04:48:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2021-12-28 04:48:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-28 04:48:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-28 04:48:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-28 04:48:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-28 04:48:36,042 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2021-12-28 04:48:36,042 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2021-12-28 04:48:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:48:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:48:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2021-12-28 04:48:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2021-12-28 04:48:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2021-12-28 04:48:36,043 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2021-12-28 04:48:36,043 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 04:48:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 04:48:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:48:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:48:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2021-12-28 04:48:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2021-12-28 04:48:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2021-12-28 04:48:36,044 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2021-12-28 04:48:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:48:36,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:48:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:48:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-12-28 04:48:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-12-28 04:48:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:48:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:48:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-28 04:48:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-28 04:48:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2021-12-28 04:48:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2021-12-28 04:48:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-28 04:48:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-28 04:48:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2021-12-28 04:48:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2021-12-28 04:48:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2021-12-28 04:48:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2021-12-28 04:48:36,046 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-12-28 04:48:36,046 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-12-28 04:48:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2021-12-28 04:48:36,047 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2021-12-28 04:48:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:48:36,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:48:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:48:36,047 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:48:36,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:48:36,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:48:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2021-12-28 04:48:36,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2021-12-28 04:48:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2021-12-28 04:48:36,048 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2021-12-28 04:48:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-28 04:48:36,048 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-28 04:48:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-28 04:48:36,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-28 04:48:36,048 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:48:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:48:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2021-12-28 04:48:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2021-12-28 04:48:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:48:36,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:48:36,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:48:37,310 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:48:37,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:48:37,688 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:48:44,661 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:48:44,956 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:48:44,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:48:44,988 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-28 04:48:44,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:48:44 BoogieIcfgContainer [2021-12-28 04:48:44,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:48:44,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:48:44,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:48:45,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:48:45,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:48:29" (1/3) ... [2021-12-28 04:48:45,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f320acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:48:45, skipping insertion in model container [2021-12-28 04:48:45,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:48:35" (2/3) ... [2021-12-28 04:48:45,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f320acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:48:45, skipping insertion in model container [2021-12-28 04:48:45,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:48:44" (3/3) ... [2021-12-28 04:48:45,002 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-12-28 04:48:45,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:48:45,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-12-28 04:48:45,076 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:48:45,089 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 04:48:45,090 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-28 04:48:45,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 4065 states, 2760 states have (on average 1.2659420289855072) internal successors, (3494), 2800 states have internal predecessors, (3494), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) [2021-12-28 04:48:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-12-28 04:48:45,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:48:45,199 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:48:45,200 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:48:45,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:48:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1941200915, now seen corresponding path program 1 times [2021-12-28 04:48:45,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:48:45,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156054387] [2021-12-28 04:48:45,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:48:45,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:48:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:48:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:48:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:48:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:48:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:48:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:45,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:48:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:48:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:48:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:48:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:48:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:48:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:48:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:48:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:48:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:48:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:48:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:48:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:48:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 04:48:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 04:48:46,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:48:46,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156054387] [2021-12-28 04:48:46,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156054387] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:48:46,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:48:46,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:48:46,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920651226] [2021-12-28 04:48:46,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:48:46,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:48:46,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:48:46,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:48:46,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:48:46,333 INFO L87 Difference]: Start difference. First operand has 4065 states, 2760 states have (on average 1.2659420289855072) internal successors, (3494), 2800 states have internal predecessors, (3494), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 04:48:56,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:48:56,008 INFO L93 Difference]: Finished difference Result 12502 states and 18123 transitions. [2021-12-28 04:48:56,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:48:56,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 216 [2021-12-28 04:48:56,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:48:56,090 INFO L225 Difference]: With dead ends: 12502 [2021-12-28 04:48:56,091 INFO L226 Difference]: Without dead ends: 8454 [2021-12-28 04:48:56,123 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 [2021-12-28 04:48:56,129 INFO L933 BasicCegarLoop]: 6375 mSDtfsCounter, 7115 mSDsluCounter, 5941 mSDsCounter, 0 mSdLazyCounter, 4615 mSolverCounterSat, 3361 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8166 SdHoareTripleChecker+Valid, 12316 SdHoareTripleChecker+Invalid, 7976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3361 IncrementalHoareTripleChecker+Valid, 4615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:48:56,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8166 Valid, 12316 Invalid, 7976 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3361 Valid, 4615 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-12-28 04:48:56,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8454 states. [2021-12-28 04:48:56,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8454 to 8035. [2021-12-28 04:48:56,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8035 states, 5490 states have (on average 1.2630236794171221) internal successors, (6934), 5579 states have internal predecessors, (6934), 2216 states have call successors, (2216), 324 states have call predecessors, (2216), 325 states have return successors, (2251), 2185 states have call predecessors, (2251), 2212 states have call successors, (2251) [2021-12-28 04:48:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8035 states to 8035 states and 11401 transitions. [2021-12-28 04:48:56,717 INFO L78 Accepts]: Start accepts. Automaton has 8035 states and 11401 transitions. Word has length 216 [2021-12-28 04:48:56,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:48:56,718 INFO L470 AbstractCegarLoop]: Abstraction has 8035 states and 11401 transitions. [2021-12-28 04:48:56,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 04:48:56,719 INFO L276 IsEmpty]: Start isEmpty. Operand 8035 states and 11401 transitions. [2021-12-28 04:48:56,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-28 04:48:56,723 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:48:56,723 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:48:56,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:48:56,724 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:48:56,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:48:56,725 INFO L85 PathProgramCache]: Analyzing trace with hash 335633302, now seen corresponding path program 1 times [2021-12-28 04:48:56,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:48:56,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847133624] [2021-12-28 04:48:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:48:56,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:48:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:48:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:48:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:48:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:48:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:48:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:48:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:48:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:48:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:48:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:48:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:48:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:48:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:48:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:48:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:48:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:48:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:48:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:48:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:48:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-28 04:48:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:48:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 04:48:57,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:48:57,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847133624] [2021-12-28 04:48:57,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847133624] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:48:57,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:48:57,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:48:57,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914500682] [2021-12-28 04:48:57,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:48:57,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:48:57,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:48:57,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:48:57,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:48:57,195 INFO L87 Difference]: Start difference. First operand 8035 states and 11401 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 04:49:07,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:49:07,232 INFO L93 Difference]: Finished difference Result 24652 states and 35185 transitions. [2021-12-28 04:49:07,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:49:07,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2021-12-28 04:49:07,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:49:07,355 INFO L225 Difference]: With dead ends: 24652 [2021-12-28 04:49:07,355 INFO L226 Difference]: Without dead ends: 16656 [2021-12-28 04:49:07,401 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 [2021-12-28 04:49:07,402 INFO L933 BasicCegarLoop]: 6252 mSDtfsCounter, 7052 mSDsluCounter, 5899 mSDsCounter, 0 mSdLazyCounter, 4660 mSolverCounterSat, 3269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8133 SdHoareTripleChecker+Valid, 12151 SdHoareTripleChecker+Invalid, 7929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3269 IncrementalHoareTripleChecker+Valid, 4660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:49:07,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8133 Valid, 12151 Invalid, 7929 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3269 Valid, 4660 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2021-12-28 04:49:07,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16656 states. [2021-12-28 04:49:08,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16656 to 15878. [2021-12-28 04:49:08,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15878 states, 10869 states have (on average 1.26340969730426) internal successors, (13732), 11038 states have internal predecessors, (13732), 4358 states have call successors, (4358), 644 states have call predecessors, (4358), 647 states have return successors, (4432), 4303 states have call predecessors, (4432), 4354 states have call successors, (4432) [2021-12-28 04:49:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15878 states to 15878 states and 22522 transitions. [2021-12-28 04:49:08,328 INFO L78 Accepts]: Start accepts. Automaton has 15878 states and 22522 transitions. Word has length 217 [2021-12-28 04:49:08,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:49:08,331 INFO L470 AbstractCegarLoop]: Abstraction has 15878 states and 22522 transitions. [2021-12-28 04:49:08,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 04:49:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 15878 states and 22522 transitions. [2021-12-28 04:49:08,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-28 04:49:08,338 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:49:08,338 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:49:08,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:49:08,339 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-12-28 04:49:08,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:49:08,339 INFO L85 PathProgramCache]: Analyzing trace with hash -491919121, now seen corresponding path program 1 times [2021-12-28 04:49:08,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:49:08,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096172573] [2021-12-28 04:49:08,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:49:08,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:49:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:49:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:49:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:49:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:49:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:49:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:49:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:49:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:49:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:49:08,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:49:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:49:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:49:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:49:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:49:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:49:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:49:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:49:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:49:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:49:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 04:49:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-28 04:49:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-28 04:49:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-28 04:49:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:49:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 04:49:08,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:49:08,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096172573] [2021-12-28 04:49:08,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096172573] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:49:08,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:49:08,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:49:08,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935523321] [2021-12-28 04:49:08,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:49:08,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:49:08,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:49:08,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:49:08,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:49:08,853 INFO L87 Difference]: Start difference. First operand 15878 states and 22522 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-28 04:49:17,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:49:17,049 INFO L93 Difference]: Finished difference Result 48718 states and 69911 transitions. [2021-12-28 04:49:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:49:17,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2021-12-28 04:49:17,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:49:17,339 INFO L225 Difference]: With dead ends: 48718 [2021-12-28 04:49:17,340 INFO L226 Difference]: Without dead ends: 32879 [2021-12-28 04:49:17,415 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:49:17,418 INFO L933 BasicCegarLoop]: 6315 mSDtfsCounter, 7085 mSDsluCounter, 5967 mSDsCounter, 0 mSdLazyCounter, 4574 mSolverCounterSat, 3357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8131 SdHoareTripleChecker+Valid, 12282 SdHoareTripleChecker+Invalid, 7931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3357 IncrementalHoareTripleChecker+Valid, 4574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:49:17,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8131 Valid, 12282 Invalid, 7931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3357 Valid, 4574 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-12-28 04:49:17,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32879 states. [2021-12-28 04:49:18,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32879 to 31968. [2021-12-28 04:49:19,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31968 states, 21979 states have (on average 1.2655716820601484) internal successors, (27816), 22336 states have internal predecessors, (27816), 8680 states have call successors, (8680), 1278 states have call predecessors, (8680), 1305 states have return successors, (9326), 8565 states have call predecessors, (9326), 8676 states have call successors, (9326)