./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.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 eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 05:10:50,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 05:10:50,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 05:10:50,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 05:10:50,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 05:10:50,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 05:10:50,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 05:10:50,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 05:10:50,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 05:10:50,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 05:10:50,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 05:10:50,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 05:10:50,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 05:10:50,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 05:10:50,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 05:10:50,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 05:10:50,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 05:10:50,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 05:10:50,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 05:10:50,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 05:10:50,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 05:10:50,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 05:10:50,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 05:10:50,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 05:10:50,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 05:10:50,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 05:10:50,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 05:10:50,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 05:10:50,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 05:10:50,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 05:10:50,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 05:10:50,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 05:10:50,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 05:10:50,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 05:10:50,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 05:10:50,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 05:10:50,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 05:10:50,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 05:10:50,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 05:10:50,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 05:10:50,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 05:10:50,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 05:10:50,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 05:10:50,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 05:10:50,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 05:10:50,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 05:10:50,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 05:10:50,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 05:10:50,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 05:10:50,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 05:10:50,239 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 05:10:50,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 05:10:50,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 05:10:50,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 05:10:50,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 05:10:50,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 05:10:50,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 05:10:50,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 05:10:50,240 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 05:10:50,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 05:10:50,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 05:10:50,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 05:10:50,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 05:10:50,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:10:50,242 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 05:10:50,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 05:10:50,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 05:10:50,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 05:10:50,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 05:10:50,242 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 05:10:50,243 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 05:10:50,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 05:10:50,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2021-12-28 05:10:50,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 05:10:50,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 05:10:50,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 05:10:50,556 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 05:10:50,556 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 05:10:50,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-28 05:10:50,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5934f944/18354a79069d4c408f717388aea2de7f/FLAGf3e556271 [2021-12-28 05:10:51,353 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 05:10:51,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-28 05:10:51,418 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5934f944/18354a79069d4c408f717388aea2de7f/FLAGf3e556271 [2021-12-28 05:10:51,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5934f944/18354a79069d4c408f717388aea2de7f [2021-12-28 05:10:51,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 05:10:51,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 05:10:51,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 05:10:51,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 05:10:51,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 05:10:51,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:10:51" (1/1) ... [2021-12-28 05:10:51,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253bc5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:51, skipping insertion in model container [2021-12-28 05:10:51,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 05:10:51" (1/1) ... [2021-12-28 05:10:51,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 05:10:51,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 05:10:53,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-12-28 05:10:53,984 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-12-28 05:10:53,985 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-12-28 05:10:53,985 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-12-28 05:10:54,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:10:54,083 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 05:10:54,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[462950,462963] [2021-12-28 05:10:54,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463119,463132] [2021-12-28 05:10:54,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463286,463299] [2021-12-28 05:10:54,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[463454,463467] [2021-12-28 05:10:54,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 05:10:54,788 INFO L208 MainTranslator]: Completed translation [2021-12-28 05:10:54,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54 WrapperNode [2021-12-28 05:10:54,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 05:10:54,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 05:10:54,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 05:10:54,790 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 05:10:54,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:54,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:55,115 INFO L137 Inliner]: procedures = 566, calls = 4373, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 8973 [2021-12-28 05:10:55,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 05:10:55,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 05:10:55,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 05:10:55,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 05:10:55,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:55,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:55,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:55,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:55,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:55,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:55,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:55,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 05:10:55,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 05:10:55,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 05:10:55,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 05:10:55,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (1/1) ... [2021-12-28 05:10:55,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 05:10:55,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 05:10:55,450 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 05:10:55,486 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 05:10:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 05:10:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 05:10:55,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 05:10:55,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 05:10:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 05:10:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 05:10:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-28 05:10:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-28 05:10:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-12-28 05:10:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-12-28 05:10:55,511 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 05:10:55,511 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 05:10:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2021-12-28 05:10:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2021-12-28 05:10:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 05:10:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 05:10:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 05:10:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 05:10:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-12-28 05:10:55,512 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-12-28 05:10:55,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2021-12-28 05:10:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2021-12-28 05:10:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-12-28 05:10:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-12-28 05:10:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:10:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-28 05:10:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-28 05:10:55,513 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-28 05:10:55,513 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-12-28 05:10:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-12-28 05:10:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 05:10:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 05:10:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-28 05:10:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-28 05:10:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-28 05:10:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-28 05:10:55,514 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-12-28 05:10:55,514 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-12-28 05:10:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 05:10:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 05:10:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-12-28 05:10:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-12-28 05:10:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 05:10:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 05:10:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 05:10:55,515 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 05:10:55,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-28 05:10:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-28 05:10:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-28 05:10:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-28 05:10:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-12-28 05:10:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-12-28 05:10:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 05:10:55,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 05:10:55,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 05:10:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 05:10:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 05:10:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 05:10:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 05:10:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 05:10:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-28 05:10:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-28 05:10:55,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-28 05:10:55,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-28 05:10:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 05:10:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 05:10:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 05:10:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 05:10:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-28 05:10:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-28 05:10:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 05:10:55,518 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 05:10:55,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 05:10:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 05:10:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 05:10:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-28 05:10:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-28 05:10:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-28 05:10:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-28 05:10:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 05:10:55,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 05:10:55,519 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 05:10:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 05:10:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 05:10:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-12-28 05:10:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-12-28 05:10:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-28 05:10:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-28 05:10:55,520 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-12-28 05:10:55,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-12-28 05:10:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 05:10:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 05:10:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-28 05:10:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-28 05:10:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 05:10:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 05:10:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 05:10:55,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 05:10:55,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 05:10:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 05:10:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-12-28 05:10:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-12-28 05:10:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-28 05:10:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-28 05:10:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 05:10:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 05:10:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 05:10:55,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 05:10:55,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-28 05:10:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-28 05:10:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 05:10:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 05:10:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 05:10:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 05:10:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-12-28 05:10:55,523 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-12-28 05:10:55,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-28 05:10:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-28 05:10:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-28 05:10:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-28 05:10:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 05:10:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 05:10:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-12-28 05:10:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-12-28 05:10:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 05:10:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 05:10:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-12-28 05:10:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-12-28 05:10:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:10:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-28 05:10:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 05:10:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 05:10:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 05:10:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-28 05:10:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-28 05:10:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 05:10:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 05:10:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-28 05:10:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-28 05:10:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-28 05:10:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-28 05:10:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-28 05:10:55,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-28 05:10:55,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 05:10:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 05:10:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 05:10:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 05:10:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 05:10:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 05:10:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-28 05:10:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-28 05:10:55,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:10:55,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 05:10:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-28 05:10:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-28 05:10:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:10:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 05:10:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-12-28 05:10:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-12-28 05:10:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 05:10:55,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 05:10:55,528 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-12-28 05:10:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-12-28 05:10:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-28 05:10:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-28 05:10:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 05:10:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-28 05:10:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-12-28 05:10:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-12-28 05:10:55,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-28 05:10:55,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-28 05:10:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 05:10:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 05:10:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-12-28 05:10:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-12-28 05:10:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 05:10:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 05:10:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 05:10:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 05:10:55,530 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-12-28 05:10:55,530 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-12-28 05:10:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 05:10:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 05:10:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-28 05:10:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-28 05:10:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-12-28 05:10:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-12-28 05:10:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-28 05:10:55,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-28 05:10:55,531 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-12-28 05:10:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-12-28 05:10:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-28 05:10:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-28 05:10:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-12-28 05:10:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-12-28 05:10:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-12-28 05:10:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-12-28 05:10:55,532 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-28 05:10:55,532 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-28 05:10:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 05:10:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 05:10:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-12-28 05:10:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-12-28 05:10:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 05:10:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 05:10:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 05:10:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 05:10:55,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:10:55,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-28 05:10:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-28 05:10:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-28 05:10:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-28 05:10:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-28 05:10:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-28 05:10:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-28 05:10:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 05:10:55,534 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 05:10:55,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-28 05:10:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-28 05:10:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 05:10:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 05:10:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-28 05:10:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-28 05:10:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 05:10:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-28 05:10:55,535 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-28 05:10:55,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 05:10:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 05:10:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 05:10:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-12-28 05:10:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-12-28 05:10:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-12-28 05:10:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-12-28 05:10:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2021-12-28 05:10:55,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2021-12-28 05:10:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 05:10:55,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:10:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 05:10:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-28 05:10:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-28 05:10:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 05:10:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 05:10:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 05:10:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 05:10:55,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 05:10:55,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 05:10:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2021-12-28 05:10:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2021-12-28 05:10:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 05:10:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 05:10:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-28 05:10:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-28 05:10:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2021-12-28 05:10:55,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2021-12-28 05:10:55,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-12-28 05:10:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-12-28 05:10:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-12-28 05:10:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-12-28 05:10:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-28 05:10:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-28 05:10:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 05:10:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 05:10:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-12-28 05:10:55,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-12-28 05:10:55,539 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 05:10:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 05:10:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 05:10:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 05:10:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 05:10:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 05:10:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 05:10:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 05:10:55,540 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-12-28 05:10:55,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-12-28 05:10:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 05:10:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-12-28 05:10:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-12-28 05:10:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-28 05:10:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-28 05:10:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-28 05:10:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-28 05:10:55,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 05:10:55,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 05:10:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-12-28 05:10:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-12-28 05:10:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-12-28 05:10:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-12-28 05:10:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:10:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-28 05:10:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2021-12-28 05:10:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2021-12-28 05:10:55,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2021-12-28 05:10:55,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2021-12-28 05:10:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-28 05:10:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-28 05:10:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2021-12-28 05:10:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2021-12-28 05:10:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 05:10:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 05:10:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-12-28 05:10:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-12-28 05:10:55,543 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-12-28 05:10:55,543 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-12-28 05:10:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 05:10:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 05:10:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-28 05:10:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-28 05:10:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 05:10:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 05:10:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 05:10:55,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 05:10:55,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-28 05:10:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-28 05:10:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 05:10:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 05:10:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 05:10:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 05:10:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 05:10:55,545 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-28 05:10:55,545 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-28 05:10:56,478 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 05:10:56,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 05:10:57,387 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 05:11:01,209 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 05:11:01,282 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 05:11:01,303 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 05:11:01,304 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 05:11:01,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:01 BoogieIcfgContainer [2021-12-28 05:11:01,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 05:11:01,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 05:11:01,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 05:11:01,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 05:11:01,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 05:10:51" (1/3) ... [2021-12-28 05:11:01,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c05205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:01, skipping insertion in model container [2021-12-28 05:11:01,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 05:10:54" (2/3) ... [2021-12-28 05:11:01,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c05205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 05:11:01, skipping insertion in model container [2021-12-28 05:11:01,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 05:11:01" (3/3) ... [2021-12-28 05:11:01,313 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-28 05:11:01,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 05:11:01,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-28 05:11:01,361 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 05:11:01,364 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 05:11:01,365 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-28 05:11:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) [2021-12-28 05:11:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-28 05:11:01,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:01,417 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:01,417 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 05:11:01,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:01,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1438847336, now seen corresponding path program 1 times [2021-12-28 05:11:01,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:01,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278038294] [2021-12-28 05:11:01,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:01,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 05:11:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-28 05:11:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 05:11:02,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:02,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278038294] [2021-12-28 05:11:02,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278038294] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:02,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:02,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:02,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70704960] [2021-12-28 05:11:02,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:02,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:02,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:02,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:02,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:02,540 INFO L87 Difference]: Start difference. First operand has 3105 states, 2150 states have (on average 1.34) internal successors, (2881), 2221 states have internal predecessors, (2881), 801 states have call successors, (801), 152 states have call predecessors, (801), 151 states have return successors, (792), 777 states have call predecessors, (792), 792 states have call successors, (792) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:11:07,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:07,605 INFO L93 Difference]: Finished difference Result 9165 states and 13750 transitions. [2021-12-28 05:11:07,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:07,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 215 [2021-12-28 05:11:07,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:07,643 INFO L225 Difference]: With dead ends: 9165 [2021-12-28 05:11:07,643 INFO L226 Difference]: Without dead ends: 6086 [2021-12-28 05:11:07,663 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-28 05:11:07,665 INFO L933 BasicCegarLoop]: 4757 mSDtfsCounter, 4955 mSDsluCounter, 4904 mSDsCounter, 0 mSdLazyCounter, 3188 mSolverCounterSat, 2189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5660 SdHoareTripleChecker+Valid, 9661 SdHoareTripleChecker+Invalid, 5377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 3188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:07,666 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5660 Valid, 9661 Invalid, 5377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2189 Valid, 3188 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-28 05:11:07,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2021-12-28 05:11:07,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 6023. [2021-12-28 05:11:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6023 states, 4197 states have (on average 1.3354777221825114) internal successors, (5605), 4338 states have internal predecessors, (5605), 1525 states have call successors, (1525), 299 states have call predecessors, (1525), 298 states have return successors, (1521), 1491 states have call predecessors, (1521), 1521 states have call successors, (1521) [2021-12-28 05:11:07,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6023 states to 6023 states and 8651 transitions. [2021-12-28 05:11:07,950 INFO L78 Accepts]: Start accepts. Automaton has 6023 states and 8651 transitions. Word has length 215 [2021-12-28 05:11:07,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:07,953 INFO L470 AbstractCegarLoop]: Abstraction has 6023 states and 8651 transitions. [2021-12-28 05:11:07,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-28 05:11:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 6023 states and 8651 transitions. [2021-12-28 05:11:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-28 05:11:07,962 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:07,962 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:07,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 05:11:07,963 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 05:11:07,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:07,964 INFO L85 PathProgramCache]: Analyzing trace with hash 895765712, now seen corresponding path program 1 times [2021-12-28 05:11:07,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:07,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366205086] [2021-12-28 05:11:07,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:07,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 05:11:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-28 05:11:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-28 05:11:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 05:11:08,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:08,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366205086] [2021-12-28 05:11:08,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366205086] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:08,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:08,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:08,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46205345] [2021-12-28 05:11:08,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:08,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:08,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:08,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:08,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:08,572 INFO L87 Difference]: Start difference. First operand 6023 states and 8651 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 05:11:13,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:13,425 INFO L93 Difference]: Finished difference Result 17779 states and 25764 transitions. [2021-12-28 05:11:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:13,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 224 [2021-12-28 05:11:13,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:13,479 INFO L225 Difference]: With dead ends: 17779 [2021-12-28 05:11:13,479 INFO L226 Difference]: Without dead ends: 11795 [2021-12-28 05:11:13,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 05:11:13,504 INFO L933 BasicCegarLoop]: 4792 mSDtfsCounter, 4857 mSDsluCounter, 4972 mSDsCounter, 0 mSdLazyCounter, 3103 mSolverCounterSat, 2260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5501 SdHoareTripleChecker+Valid, 9764 SdHoareTripleChecker+Invalid, 5363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2260 IncrementalHoareTripleChecker+Valid, 3103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:13,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5501 Valid, 9764 Invalid, 5363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2260 Valid, 3103 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-28 05:11:13,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11795 states. [2021-12-28 05:11:13,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11795 to 11658. [2021-12-28 05:11:13,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11658 states, 8143 states have (on average 1.3336608129681935) internal successors, (10860), 8414 states have internal predecessors, (10860), 2920 states have call successors, (2920), 592 states have call predecessors, (2920), 592 states have return successors, (3039), 2845 states have call predecessors, (3039), 2916 states have call successors, (3039) [2021-12-28 05:11:13,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11658 states to 11658 states and 16819 transitions. [2021-12-28 05:11:13,867 INFO L78 Accepts]: Start accepts. Automaton has 11658 states and 16819 transitions. Word has length 224 [2021-12-28 05:11:13,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:13,870 INFO L470 AbstractCegarLoop]: Abstraction has 11658 states and 16819 transitions. [2021-12-28 05:11:13,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-28 05:11:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 11658 states and 16819 transitions. [2021-12-28 05:11:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-28 05:11:13,876 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:13,876 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:13,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 05:11:13,876 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 05:11:13,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:13,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1464842093, now seen corresponding path program 1 times [2021-12-28 05:11:13,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:13,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387347746] [2021-12-28 05:11:13,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:13,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 05:11:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-28 05:11:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-28 05:11:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-28 05:11:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:14,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 05:11:14,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:14,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387347746] [2021-12-28 05:11:14,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387347746] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:14,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:14,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:14,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445310219] [2021-12-28 05:11:14,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:14,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:14,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:14,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:14,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:14,284 INFO L87 Difference]: Start difference. First operand 11658 states and 16819 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 05:11:19,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:19,044 INFO L93 Difference]: Finished difference Result 30272 states and 43695 transitions. [2021-12-28 05:11:19,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:19,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 236 [2021-12-28 05:11:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:19,155 INFO L225 Difference]: With dead ends: 30272 [2021-12-28 05:11:19,155 INFO L226 Difference]: Without dead ends: 18653 [2021-12-28 05:11:19,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 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 05:11:19,225 INFO L933 BasicCegarLoop]: 5201 mSDtfsCounter, 4805 mSDsluCounter, 5252 mSDsCounter, 0 mSdLazyCounter, 3244 mSolverCounterSat, 2163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5494 SdHoareTripleChecker+Valid, 10453 SdHoareTripleChecker+Invalid, 5407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 3244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:19,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5494 Valid, 10453 Invalid, 5407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2163 Valid, 3244 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 05:11:19,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18653 states. [2021-12-28 05:11:19,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18653 to 18434. [2021-12-28 05:11:19,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18434 states, 12821 states have (on average 1.3247796583729818) internal successors, (16985), 13248 states have internal predecessors, (16985), 4596 states have call successors, (4596), 1013 states have call predecessors, (4596), 1014 states have return successors, (4773), 4471 states have call predecessors, (4773), 4592 states have call successors, (4773) [2021-12-28 05:11:19,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18434 states to 18434 states and 26354 transitions. [2021-12-28 05:11:19,991 INFO L78 Accepts]: Start accepts. Automaton has 18434 states and 26354 transitions. Word has length 236 [2021-12-28 05:11:19,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:19,992 INFO L470 AbstractCegarLoop]: Abstraction has 18434 states and 26354 transitions. [2021-12-28 05:11:19,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 05:11:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 18434 states and 26354 transitions. [2021-12-28 05:11:19,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-28 05:11:19,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:19,996 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:19,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 05:11:19,997 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:19,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:19,997 INFO L85 PathProgramCache]: Analyzing trace with hash 835164612, now seen corresponding path program 1 times [2021-12-28 05:11:19,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:19,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640953331] [2021-12-28 05:11:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:19,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:20,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 05:11:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-28 05:11:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-28 05:11:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-28 05:11:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 05:11:20,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:20,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640953331] [2021-12-28 05:11:20,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640953331] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:20,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:20,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:20,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507663956] [2021-12-28 05:11:20,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:20,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:20,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:20,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:20,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:20,409 INFO L87 Difference]: Start difference. First operand 18434 states and 26354 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 05:11:25,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:25,613 INFO L93 Difference]: Finished difference Result 54282 states and 77873 transitions. [2021-12-28 05:11:25,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:25,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 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 05:11:25,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:25,760 INFO L225 Difference]: With dead ends: 54282 [2021-12-28 05:11:25,760 INFO L226 Difference]: Without dead ends: 35887 [2021-12-28 05:11:25,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 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 05:11:25,823 INFO L933 BasicCegarLoop]: 5622 mSDtfsCounter, 4498 mSDsluCounter, 5269 mSDsCounter, 0 mSdLazyCounter, 3303 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5180 SdHoareTripleChecker+Valid, 10891 SdHoareTripleChecker+Invalid, 5320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 3303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:25,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5180 Valid, 10891 Invalid, 5320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2017 Valid, 3303 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-28 05:11:25,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35887 states. [2021-12-28 05:11:27,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35887 to 35472. [2021-12-28 05:11:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35472 states, 24620 states have (on average 1.323842404549147) internal successors, (32593), 25466 states have internal predecessors, (32593), 8858 states have call successors, (8858), 1992 states have call predecessors, (8858), 1991 states have return successors, (9134), 8605 states have call predecessors, (9134), 8854 states have call successors, (9134) [2021-12-28 05:11:27,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35472 states to 35472 states and 50585 transitions. [2021-12-28 05:11:27,230 INFO L78 Accepts]: Start accepts. Automaton has 35472 states and 50585 transitions. Word has length 237 [2021-12-28 05:11:27,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:27,232 INFO L470 AbstractCegarLoop]: Abstraction has 35472 states and 50585 transitions. [2021-12-28 05:11:27,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-28 05:11:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 35472 states and 50585 transitions. [2021-12-28 05:11:27,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-28 05:11:27,235 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:27,236 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:27,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 05:11:27,236 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:27,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:27,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1650694640, now seen corresponding path program 1 times [2021-12-28 05:11:27,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:27,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697453172] [2021-12-28 05:11:27,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:27,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 05:11:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-28 05:11:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 05:11:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 05:11:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-28 05:11:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-12-28 05:11:27,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:27,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697453172] [2021-12-28 05:11:27,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697453172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:27,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:27,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:27,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574461201] [2021-12-28 05:11:27,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:27,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:27,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:27,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:27,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:27,936 INFO L87 Difference]: Start difference. First operand 35472 states and 50585 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, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-28 05:11:33,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:33,465 INFO L93 Difference]: Finished difference Result 93870 states and 133704 transitions. [2021-12-28 05:11:33,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:33,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2021-12-28 05:11:33,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:33,772 INFO L225 Difference]: With dead ends: 93870 [2021-12-28 05:11:33,772 INFO L226 Difference]: Without dead ends: 58437 [2021-12-28 05:11:34,004 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 05:11:34,006 INFO L933 BasicCegarLoop]: 4695 mSDtfsCounter, 4536 mSDsluCounter, 4838 mSDsCounter, 0 mSdLazyCounter, 3183 mSolverCounterSat, 2172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5192 SdHoareTripleChecker+Valid, 9533 SdHoareTripleChecker+Invalid, 5355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2172 IncrementalHoareTripleChecker+Valid, 3183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:34,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5192 Valid, 9533 Invalid, 5355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2172 Valid, 3183 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-28 05:11:34,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58437 states. [2021-12-28 05:11:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58437 to 57712. [2021-12-28 05:11:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57712 states, 39860 states have (on average 1.3190918213748117) internal successors, (52579), 41188 states have internal predecessors, (52579), 14328 states have call successors, (14328), 3534 states have call predecessors, (14328), 3521 states have return successors, (14806), 13889 states have call predecessors, (14806), 14324 states have call successors, (14806) [2021-12-28 05:11:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57712 states to 57712 states and 81713 transitions. [2021-12-28 05:11:36,164 INFO L78 Accepts]: Start accepts. Automaton has 57712 states and 81713 transitions. Word has length 238 [2021-12-28 05:11:36,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 05:11:36,167 INFO L470 AbstractCegarLoop]: Abstraction has 57712 states and 81713 transitions. [2021-12-28 05:11:36,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-28 05:11:36,167 INFO L276 IsEmpty]: Start isEmpty. Operand 57712 states and 81713 transitions. [2021-12-28 05:11:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-28 05:11:36,171 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 05:11:36,171 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 05:11:36,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 05:11:36,172 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-28 05:11:36,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 05:11:36,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1408952538, now seen corresponding path program 1 times [2021-12-28 05:11:36,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 05:11:36,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632041209] [2021-12-28 05:11:36,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 05:11:36,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 05:11:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 05:11:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 05:11:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 05:11:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 05:11:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 05:11:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 05:11:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 05:11:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 05:11:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 05:11:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 05:11:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 05:11:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 05:11:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 05:11:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 05:11:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 05:11:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 05:11:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 05:11:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 05:11:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 05:11:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 05:11:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 05:11:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-28 05:11:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-28 05:11:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-28 05:11:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 05:11:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1329 trivial. 0 not checked. [2021-12-28 05:11:36,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 05:11:36,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632041209] [2021-12-28 05:11:36,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632041209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 05:11:36,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 05:11:36,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 05:11:36,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260998963] [2021-12-28 05:11:36,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 05:11:36,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 05:11:36,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 05:11:36,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 05:11:36,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 05:11:36,737 INFO L87 Difference]: Start difference. First operand 57712 states and 81713 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-28 05:11:43,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 05:11:43,432 INFO L93 Difference]: Finished difference Result 164084 states and 232727 transitions. [2021-12-28 05:11:43,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 05:11:43,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 262 [2021-12-28 05:11:43,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 05:11:44,017 INFO L225 Difference]: With dead ends: 164084 [2021-12-28 05:11:44,017 INFO L226 Difference]: Without dead ends: 106411 [2021-12-28 05:11:44,384 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 05:11:44,385 INFO L933 BasicCegarLoop]: 5261 mSDtfsCounter, 4828 mSDsluCounter, 5217 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 2132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5532 SdHoareTripleChecker+Valid, 10478 SdHoareTripleChecker+Invalid, 5358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2132 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-28 05:11:44,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5532 Valid, 10478 Invalid, 5358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2132 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-28 05:11:44,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106411 states.