./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-micrel-ksz884x.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-micrel-ksz884x.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 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:49:41,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:49:41,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:49:41,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:49:41,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:49:41,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:49:41,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:49:41,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:49:41,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:49:41,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:49:41,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:49:41,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:49:41,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:49:41,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:49:41,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:49:41,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:49:41,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:49:41,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:49:41,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:49:41,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:49:41,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:49:41,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:49:41,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:49:41,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:49:41,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:49:41,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:49:41,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:49:41,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:49:41,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:49:41,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:49:41,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:49:41,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:49:41,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:49:41,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:49:41,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:49:41,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:49:41,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:49:41,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:49:41,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:49:41,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:49:41,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:49:41,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:49:41,718 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:49:41,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:49:41,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:49:41,720 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:49:41,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:49:41,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:49:41,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:49:41,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:49:41,723 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:49:41,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:49:41,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:49:41,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:49:41,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:49:41,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:49:41,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:49:41,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:49:41,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:49:41,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:49:41,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:49:41,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:49:41,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:49:41,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:49:41,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:49:41,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:49:41,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:49:41,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:49:41,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:49:41,726 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:49:41,726 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:49:41,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:49:41,727 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08c4ab5181b7abd6700c38bd6f4a3ecc0debf94ce89805012c81d15880051c78 [2021-12-28 04:49:41,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:49:42,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:49:42,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:49:42,021 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:49:42,022 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:49:42,023 INFO L432 ainManager$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-micrel-ksz884x.cil.i [2021-12-28 04:49:42,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e330c5e/eed7b4e42add4349a3b4ffd2f6ec9a4f/FLAGfb190e724 [2021-12-28 04:49:42,762 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:49:42,763 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-micrel-ksz884x.cil.i [2021-12-28 04:49:42,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e330c5e/eed7b4e42add4349a3b4ffd2f6ec9a4f/FLAGfb190e724 [2021-12-28 04:49:43,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67e330c5e/eed7b4e42add4349a3b4ffd2f6ec9a4f [2021-12-28 04:49:43,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:49:43,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:49:43,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:49:43,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:49:43,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:49:43,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:49:43" (1/1) ... [2021-12-28 04:49:43,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1d1f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:43, skipping insertion in model container [2021-12-28 04:49:43,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:49:43" (1/1) ... [2021-12-28 04:49:43,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:49:43,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:49:46,981 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-micrel-ksz884x.cil.i[445714,445727] [2021-12-28 04:49:46,984 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-micrel-ksz884x.cil.i[445883,445896] [2021-12-28 04:49:46,985 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-micrel-ksz884x.cil.i[446050,446063] [2021-12-28 04:49:46,985 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-micrel-ksz884x.cil.i[446218,446231] [2021-12-28 04:49:47,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:49:47,074 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:49:47,511 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-micrel-ksz884x.cil.i[445714,445727] [2021-12-28 04:49:47,512 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-micrel-ksz884x.cil.i[445883,445896] [2021-12-28 04:49:47,512 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-micrel-ksz884x.cil.i[446050,446063] [2021-12-28 04:49:47,513 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-micrel-ksz884x.cil.i[446218,446231] [2021-12-28 04:49:47,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:49:47,772 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:49:47,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47 WrapperNode [2021-12-28 04:49:47,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:49:47,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:49:47,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:49:47,773 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:49:47,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:47,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:48,172 INFO L137 Inliner]: procedures = 663, calls = 4677, calls flagged for inlining = 358, calls inlined = 345, statements flattened = 10344 [2021-12-28 04:49:48,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:49:48,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:49:48,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:49:48,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:49:48,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:48,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:48,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:48,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:48,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:48,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:48,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:48,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:49:48,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:49:48,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:49:48,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:49:48,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (1/1) ... [2021-12-28 04:49:48,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:49:48,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:49:48,505 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 04:49:48,522 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 04:49:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:49:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:49:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 04:49:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 04:49:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure hw_del_addr [2021-12-28 04:49:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_del_addr [2021-12-28 04:49:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:49:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:49:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol [2021-12-28 04:49:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol [2021-12-28 04:49:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:49:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:49:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-28 04:49:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-28 04:49:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_init [2021-12-28 04:49:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_init [2021-12-28 04:49:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ack_intr [2021-12-28 04:49:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ack_intr [2021-12-28 04:49:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_tx_timeout [2021-12-28 04:49:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_tx_timeout [2021-12-28 04:49:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure bridge_change [2021-12-28 04:49:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bridge_change [2021-12-28 04:49:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:49:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 04:49:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure set_flow_ctrl [2021-12-28 04:49:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure set_flow_ctrl [2021-12-28 04:49:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:49:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:49:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-12-28 04:49:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pci_device_driver_exit_14_2 [2021-12-28 04:49:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-28 04:49:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-28 04:49:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure set_tx_len [2021-12-28 04:49:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure set_tx_len [2021-12-28 04:49:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_check_desc_num [2021-12-28 04:49:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_check_desc_num [2021-12-28 04:49:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:49:48,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:49:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:49:48,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:49:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:49:48,547 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:49:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 04:49:48,547 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 04:49:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure set_media_state [2021-12-28 04:49:48,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_media_state [2021-12-28 04:49:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:49:48,548 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:49:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:49:48,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:49:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:49:48,548 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:49:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_intr [2021-12-28 04:49:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_intr [2021-12-28 04:49:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:49:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 04:49:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 04:49:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-28 04:49:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-28 04:49:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-28 04:49:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-28 04:49:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg [2021-12-28 04:49:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg [2021-12-28 04:49:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure state_gpio [2021-12-28 04:49:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure state_gpio [2021-12-28 04:49:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr [2021-12-28 04:49:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr [2021-12-28 04:49:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_read [2021-12-28 04:49:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_read [2021-12-28 04:49:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:49:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:49:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_resume [2021-12-28 04:49:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_resume [2021-12-28 04:49:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure hw_dis_intr_bit [2021-12-28 04:49:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_dis_intr_bit [2021-12-28 04:49:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_eeprom_len [2021-12-28 04:49:48,552 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_eeprom_len [2021-12-28 04:49:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_buffers [2021-12-28 04:49:48,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_buffers [2021-12-28 04:49:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:49:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_clk [2021-12-28 04:49:48,552 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_clk [2021-12-28 04:49:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:49:48,552 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:49:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:49:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset [2021-12-28 04:49:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset [2021-12-28 04:49:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:49:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:49:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure rx_proc [2021-12-28 04:49:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_proc [2021-12-28 04:49:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure release_desc [2021-12-28 04:49:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure release_desc [2021-12-28 04:49:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:49:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:49:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:49:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure hw_resume_rx [2021-12-28 04:49:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_resume_rx [2021-12-28 04:49:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:49:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:49:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 04:49:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 04:49:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_netpoll [2021-12-28 04:49:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_netpoll [2021-12-28 04:49:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:49:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:49:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-28 04:49:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-28 04:49:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:49:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:49:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure hw_ena_add_addr [2021-12-28 04:49:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_ena_add_addr [2021-12-28 04:49:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-28 04:49:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-28 04:49:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_grp_addr [2021-12-28 04:49:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_grp_addr [2021-12-28 04:49:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:49:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 04:49:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:49:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:49:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:49:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:49:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:49:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:49:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure sw_w_sta_mac_table [2021-12-28 04:49:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_w_sta_mac_table [2021-12-28 04:49:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-12-28 04:49:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-12-28 04:49:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:49:48,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:49:48,558 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:49:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:49:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:49:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:49:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:49:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure hw_stop_rx [2021-12-28 04:49:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_stop_rx [2021-12-28 04:49:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_intr [2021-12-28 04:49:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_intr [2021-12-28 04:49:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:49:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:49:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-28 04:49:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-28 04:49:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_rx_buffers [2021-12-28 04:49:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_rx_buffers [2021-12-28 04:49:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_free_mem [2021-12-28 04:49:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_free_mem [2021-12-28 04:49:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:49:48,561 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:49:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure hw_w_phy [2021-12-28 04:49:48,561 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_w_phy [2021-12-28 04:49:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 04:49:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 04:49:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-28 04:49:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-28 04:49:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-28 04:49:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-28 04:49:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_set_rx_mode [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_set_rx_mode [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_cleanup [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_cleanup [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure hw_r_phy [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_r_phy [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_addr [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_addr [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_pkt [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_pkt [2021-12-28 04:49:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-28 04:49:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure port_get_link_speed [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure port_get_link_speed [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure port_r16 [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r16 [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hwlock_of_dev_info [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hwlock_of_dev_info [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_port_base_vlan [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_port_base_vlan [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure drop_gpio [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_gpio [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_desc_base [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_desc_base [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure hw_block_intr [2021-12-28 04:49:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_block_intr [2021-12-28 04:49:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_init_timer [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_init_timer [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure hw_reset_pkts [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_reset_pkts [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure hw_disable [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_disable [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure get_mac_addr [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mac_addr [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure hw_restore_intr [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_restore_intr [2021-12-28 04:49:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:49:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure hw_start_rx [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_start_rx [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure port_cfg_broad_storm [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure port_cfg_broad_storm [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure hw_turn_on_intr [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_turn_on_intr [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure sw_chk [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_chk [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_wol_frame [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_wol_frame [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-28 04:49:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-28 04:49:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_pkt [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_pkt [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_63 [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_63 [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hwlock_of_dev_info [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_update_timer [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_update_timer [2021-12-28 04:49:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:49:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_free [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_free [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_stop_timer [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_stop_timer [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_intr [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_intr [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure hw_add_addr [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_add_addr [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure port_r_mib_cnt [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure port_r_mib_cnt [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_buf [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_buf [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_72 [2021-12-28 04:49:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_72 [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:49:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure hw_set_multicast [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_set_multicast [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_regs_len [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_regs_len [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_multicast [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_multicast [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_link_speed [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_link_speed [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure raise_gpio [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_gpio [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure port_w16 [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure port_w16 [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure empty_addr [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure empty_addr [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure mib_read_work [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mib_read_work [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable_wol [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable_wol [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_stp_state [2021-12-28 04:49:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_stp_state [2021-12-28 04:49:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure hw_clr_wol_pme_status [2021-12-28 04:49:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_clr_wol_pme_status [2021-12-28 04:49:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_64 [2021-12-28 04:49:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_64 [2021-12-28 04:49:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_start_timer [2021-12-28 04:49:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_start_timer [2021-12-28 04:49:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-28 04:49:48,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-28 04:49:48,667 INFO L130 BoogieDeclarations]: Found specification of procedure copy_old_skb [2021-12-28 04:49:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_old_skb [2021-12-28 04:49:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure hw_cfg_wol_pme [2021-12-28 04:49:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_cfg_wol_pme [2021-12-28 04:49:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_buf [2021-12-28 04:49:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_buf [2021-12-28 04:49:48,669 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_network_header [2021-12-28 04:49:48,669 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_network_header [2021-12-28 04:49:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:49:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:49:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 04:49:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 04:49:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure pcidev_exit [2021-12-28 04:49:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pcidev_exit [2021-12-28 04:49:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure hw_enable [2021-12-28 04:49:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_enable [2021-12-28 04:49:48,670 INFO L130 BoogieDeclarations]: Found specification of procedure ksz_alloc_soft_desc [2021-12-28 04:49:48,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ksz_alloc_soft_desc [2021-12-28 04:49:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-28 04:49:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-28 04:49:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 04:49:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 04:49:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure sw_cfg_broad_storm [2021-12-28 04:49:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sw_cfg_broad_storm [2021-12-28 04:49:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:49:48,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:49:48,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:49:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure port_set_power_saving [2021-12-28 04:49:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure port_set_power_saving [2021-12-28 04:49:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-28 04:49:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-28 04:49:48,672 INFO L130 BoogieDeclarations]: Found specification of procedure spi_reg [2021-12-28 04:49:48,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_reg [2021-12-28 04:49:49,675 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:49:49,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:49:52,677 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:50:01,678 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:50:01,905 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:50:01,949 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:50:01,949 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-28 04:50:01,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:50:01 BoogieIcfgContainer [2021-12-28 04:50:01,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:50:01,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:50:01,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:50:01,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:50:01,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:49:43" (1/3) ... [2021-12-28 04:50:01,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa32916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:50:01, skipping insertion in model container [2021-12-28 04:50:01,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:49:47" (2/3) ... [2021-12-28 04:50:01,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fa32916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:50:01, skipping insertion in model container [2021-12-28 04:50:01,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:50:01" (3/3) ... [2021-12-28 04:50:01,960 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-micrel-ksz884x.cil.i [2021-12-28 04:50:01,976 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:50:01,977 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 04:50:02,057 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:50:02,068 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 04:50:02,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 04:50:02,189 INFO L276 IsEmpty]: Start isEmpty. Operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) [2021-12-28 04:50:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-28 04:50:02,218 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:02,219 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:02,228 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:50:02,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:02,235 INFO L85 PathProgramCache]: Analyzing trace with hash -730845148, now seen corresponding path program 1 times [2021-12-28 04:50:02,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:02,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28443435] [2021-12-28 04:50:02,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:02,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:50:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:50:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:50:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:50:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:50:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:50:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:50:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:50:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:02,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:50:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:03,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:50:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:50:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:03,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:50:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-28 04:50:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-28 04:50:03,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:03,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28443435] [2021-12-28 04:50:03,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28443435] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:03,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:03,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:50:03,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628810894] [2021-12-28 04:50:03,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:03,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:50:03,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:03,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:50:03,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:50:03,088 INFO L87 Difference]: Start difference. First operand has 3184 states, 2248 states have (on average 1.2887010676156583) internal successors, (2897), 2315 states have internal predecessors, (2897), 767 states have call successors, (767), 171 states have call predecessors, (767), 170 states have return successors, (761), 748 states have call predecessors, (761), 761 states have call successors, (761) 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:50:06,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:09,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:11,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:13,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:16,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:22,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:24,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:24,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:50:24,873 INFO L93 Difference]: Finished difference Result 9700 states and 13678 transitions. [2021-12-28 04:50:24,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:50:24,875 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 237 [2021-12-28 04:50:24,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:50:25,005 INFO L225 Difference]: With dead ends: 9700 [2021-12-28 04:50:25,005 INFO L226 Difference]: Without dead ends: 6549 [2021-12-28 04:50:25,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 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 04:50:25,052 INFO L933 BasicCegarLoop]: 4657 mSDtfsCounter, 5801 mSDsluCounter, 4605 mSDsCounter, 0 mSdLazyCounter, 3291 mSolverCounterSat, 2275 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6469 SdHoareTripleChecker+Valid, 9262 SdHoareTripleChecker+Invalid, 5572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2275 IncrementalHoareTripleChecker+Valid, 3291 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-12-28 04:50:25,053 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6469 Valid, 9262 Invalid, 5572 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2275 Valid, 3291 Invalid, 6 Unknown, 0 Unchecked, 21.3s Time] [2021-12-28 04:50:25,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6549 states. [2021-12-28 04:50:25,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6549 to 6193. [2021-12-28 04:50:25,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6193 states, 4391 states have (on average 1.2862673650649055) internal successors, (5648), 4520 states have internal predecessors, (5648), 1463 states have call successors, (1463), 337 states have call predecessors, (1463), 336 states have return successors, (1459), 1433 states have call predecessors, (1459), 1459 states have call successors, (1459) [2021-12-28 04:50:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6193 states to 6193 states and 8570 transitions. [2021-12-28 04:50:25,539 INFO L78 Accepts]: Start accepts. Automaton has 6193 states and 8570 transitions. Word has length 237 [2021-12-28 04:50:25,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:50:25,543 INFO L470 AbstractCegarLoop]: Abstraction has 6193 states and 8570 transitions. [2021-12-28 04:50:25,543 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, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 04:50:25,543 INFO L276 IsEmpty]: Start isEmpty. Operand 6193 states and 8570 transitions. [2021-12-28 04:50:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-28 04:50:25,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:25,556 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:25,556 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:50:25,556 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:50:25,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:25,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1670687779, now seen corresponding path program 1 times [2021-12-28 04:50:25,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:25,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115066226] [2021-12-28 04:50:25,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:25,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:50:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:50:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:50:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:50:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:50:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:25,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:50:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:50:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:50:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:50:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:50:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:50:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:50:26,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-28 04:50:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-28 04:50:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-28 04:50:26,243 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:26,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115066226] [2021-12-28 04:50:26,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115066226] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:26,243 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:26,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:50:26,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896433603] [2021-12-28 04:50:26,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:26,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:50:26,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:26,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:50:26,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:50:26,246 INFO L87 Difference]: Start difference. First operand 6193 states and 8570 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-28 04:50:28,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:30,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:32,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:42,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:43,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:50:43,196 INFO L93 Difference]: Finished difference Result 19123 states and 26631 transitions. [2021-12-28 04:50:43,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:50:43,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 241 [2021-12-28 04:50:43,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:50:43,276 INFO L225 Difference]: With dead ends: 19123 [2021-12-28 04:50:43,276 INFO L226 Difference]: Without dead ends: 12973 [2021-12-28 04:50:43,304 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 04:50:43,305 INFO L933 BasicCegarLoop]: 4736 mSDtfsCounter, 5804 mSDsluCounter, 4692 mSDsCounter, 0 mSdLazyCounter, 3293 mSolverCounterSat, 2317 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6468 SdHoareTripleChecker+Valid, 9428 SdHoareTripleChecker+Invalid, 5613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2317 IncrementalHoareTripleChecker+Valid, 3293 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:50:43,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6468 Valid, 9428 Invalid, 5613 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2317 Valid, 3293 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2021-12-28 04:50:43,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12973 states. [2021-12-28 04:50:43,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12973 to 12402. [2021-12-28 04:50:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12402 states, 8820 states have (on average 1.2878684807256235) internal successors, (11359), 9088 states have internal predecessors, (11359), 2894 states have call successors, (2894), 672 states have call predecessors, (2894), 685 states have return successors, (2958), 2837 states have call predecessors, (2958), 2890 states have call successors, (2958) [2021-12-28 04:50:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12402 states to 12402 states and 17211 transitions. [2021-12-28 04:50:43,768 INFO L78 Accepts]: Start accepts. Automaton has 12402 states and 17211 transitions. Word has length 241 [2021-12-28 04:50:43,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:50:43,770 INFO L470 AbstractCegarLoop]: Abstraction has 12402 states and 17211 transitions. [2021-12-28 04:50:43,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-28 04:50:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 12402 states and 17211 transitions. [2021-12-28 04:50:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-28 04:50:43,775 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:50:43,775 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:50:43,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:50:43,775 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 04:50:43,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:50:43,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1137925977, now seen corresponding path program 1 times [2021-12-28 04:50:43,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:50:43,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909020760] [2021-12-28 04:50:43,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:50:43,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:50:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:50:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:50:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:50:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:50:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:50:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:50:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:50:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:50:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:50:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:50:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:50:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:50:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:50:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:50:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:50:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:50:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:50:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-28 04:50:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-28 04:50:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 04:50:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:50:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-28 04:50:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:50:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:50:44,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-28 04:50:44,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:50:44,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909020760] [2021-12-28 04:50:44,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909020760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:50:44,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:50:44,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:50:44,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460919891] [2021-12-28 04:50:44,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:50:44,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:50:44,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:50:44,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:50:44,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:50:44,274 INFO L87 Difference]: Start difference. First operand 12402 states and 17211 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-28 04:50:45,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:50:46,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []