./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 e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-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-e19ca92 [2021-12-22 15:52:34,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:52:34,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:52:34,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:52:34,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:52:34,123 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:52:34,125 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:52:34,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:52:34,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:52:34,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:52:34,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:52:34,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:52:34,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:52:34,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:52:34,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:52:34,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:52:34,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:52:34,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:52:34,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:52:34,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:52:34,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:52:34,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:52:34,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:52:34,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:52:34,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:52:34,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:52:34,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:52:34,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:52:34,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:52:34,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:52:34,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:52:34,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:52:34,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:52:34,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:52:34,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:52:34,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:52:34,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:52:34,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:52:34,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:52:34,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:52:34,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:52:34,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:52:34,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:52:34,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:52:34,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:52:34,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:52:34,211 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:52:34,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:52:34,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:52:34,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:52:34,212 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:52:34,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:52:34,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:52:34,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:52:34,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:52:34,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:52:34,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:52:34,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:52:34,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:52:34,214 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:52:34,214 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:52:34,214 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:52:34,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:52:34,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:52:34,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:52:34,215 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:52:34,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:52:34,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:52:34,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:52:34,216 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:52:34,216 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:52:34,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:52:34,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:52:34,217 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed79abab256f81f1863cfddb0c42a9b6564cf98ca16b371152af6fd281f627c [2021-12-22 15:52:34,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:52:34,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:52:34,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:52:34,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:52:34,466 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:52:34,467 INFO L432 ainManager$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 [2021-12-22 15:52:34,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0694e7206/c64ea6005cb048668e3ff72fd00418e8/FLAG27fc0eb9e [2021-12-22 15:52:35,290 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:52:35,291 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 [2021-12-22 15:52:35,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0694e7206/c64ea6005cb048668e3ff72fd00418e8/FLAG27fc0eb9e [2021-12-22 15:52:35,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0694e7206/c64ea6005cb048668e3ff72fd00418e8 [2021-12-22 15:52:35,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:52:35,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:52:35,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:52:35,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:52:35,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:52:35,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:52:35" (1/1) ... [2021-12-22 15:52:35,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c589792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:35, skipping insertion in model container [2021-12-22 15:52:35,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:52:35" (1/1) ... [2021-12-22 15:52:35,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:52:35,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:52:38,770 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] [2021-12-22 15:52:38,778 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] [2021-12-22 15:52:38,780 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] [2021-12-22 15:52:38,780 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] [2021-12-22 15:52:38,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:52:38,877 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:52:39,256 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] [2021-12-22 15:52:39,257 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] [2021-12-22 15:52:39,257 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] [2021-12-22 15:52:39,257 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] [2021-12-22 15:52:39,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:52:39,474 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:52:39,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39 WrapperNode [2021-12-22 15:52:39,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:52:39,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:52:39,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:52:39,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:52:39,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:39,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:39,821 INFO L137 Inliner]: procedures = 566, calls = 4373, calls flagged for inlining = 270, calls inlined = 248, statements flattened = 8973 [2021-12-22 15:52:39,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:52:39,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:52:39,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:52:39,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:52:39,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:39,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:39,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:39,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:40,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:40,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:40,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:40,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:52:40,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:52:40,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:52:40,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:52:40,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (1/1) ... [2021-12-22 15:52:40,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:52:40,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:52:40,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:52:40,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:52:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:52:40,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:52:40,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:52:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:52:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 15:52:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 15:52:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-22 15:52:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-22 15:52:40,308 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-12-22 15:52:40,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-12-22 15:52:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:52:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:52:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2021-12-22 15:52:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2021-12-22 15:52:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:52:40,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:52:40,309 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:52:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:52:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-12-22 15:52:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-12-22 15:52:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_82 [2021-12-22 15:52:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_82 [2021-12-22 15:52:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-12-22 15:52:40,310 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-12-22 15:52:40,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:52:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-22 15:52:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-22 15:52:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-22 15:52:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-12-22 15:52:40,311 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-12-22 15:52:40,311 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:52:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:52:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-22 15:52:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-22 15:52:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-22 15:52:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-22 15:52:40,312 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-12-22 15:52:40,312 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-12-22 15:52:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 15:52:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 15:52:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-12-22 15:52:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-12-22 15:52:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:52:40,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:52:40,313 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:52:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:52:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-22 15:52:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-22 15:52:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-22 15:52:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-22 15:52:40,314 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-12-22 15:52:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-12-22 15:52:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:52:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:52:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:52:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:52:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:52:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:52:40,315 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 15:52:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 15:52:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:52:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:52:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-22 15:52:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-22 15:52:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:52:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:52:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:52:40,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:52:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-22 15:52:40,317 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-22 15:52:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:52:40,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:52:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:52:40,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:52:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:52:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-22 15:52:40,318 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-22 15:52:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-22 15:52:40,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-22 15:52:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:52:40,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:52:40,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:52:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:52:40,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:52:40,319 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-12-22 15:52:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-12-22 15:52:40,319 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-22 15:52:40,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-22 15:52:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-12-22 15:52:40,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-12-22 15:52:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:52:40,320 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:52:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-22 15:52:40,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-22 15:52:40,320 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:52:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:52:40,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:52:40,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:52:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:52:40,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:52:40,321 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-12-22 15:52:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-12-22 15:52:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-22 15:52:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-22 15:52:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:52:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:52:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:52:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:52:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:52:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:52:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:52:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:52:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:52:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:52:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-12-22 15:52:40,323 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-12-22 15:52:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-22 15:52:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-22 15:52:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-22 15:52:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-22 15:52:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:52:40,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:52:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-12-22 15:52:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-12-22 15:52:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:52:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:52:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-12-22 15:52:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-12-22 15:52:40,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:52:40,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-22 15:52:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:52:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:52:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:52:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-22 15:52:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-22 15:52:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:52:40,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:52:40,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:52:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:52:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-22 15:52:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-22 15:52:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-22 15:52:40,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-22 15:52:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:52:40,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:52:40,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:52:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:52:40,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:52:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:52:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-22 15:52:40,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-22 15:52:40,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:52:40,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:52:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 15:52:40,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 15:52:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:52:40,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:52:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-12-22 15:52:40,329 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-12-22 15:52:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:52:40,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:52:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-12-22 15:52:40,330 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-12-22 15:52:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-22 15:52:40,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-22 15:52:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:52:40,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:52:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-12-22 15:52:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-12-22 15:52:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-22 15:52:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vortex_cleanup_16_2 [2021-12-22 15:52:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:52:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:52:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-12-22 15:52:40,331 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-12-22 15:52:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:52:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:52:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:52:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:52:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-12-22 15:52:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-12-22 15:52:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:52:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:52:40,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-22 15:52:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-22 15:52:40,333 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-12-22 15:52:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-12-22 15:52:40,333 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 15:52:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 15:52:40,333 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-12-22 15:52:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-12-22 15:52:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-22 15:52:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-22 15:52:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-12-22 15:52:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-12-22 15:52:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-12-22 15:52:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-12-22 15:52:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-22 15:52:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-22 15:52:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:52:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:52:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-12-22 15:52:40,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-12-22 15:52:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:52:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:52:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:52:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:52:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:52:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-22 15:52:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:52:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:52:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-22 15:52:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-22 15:52:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:52:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:52:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:52:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:52:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-22 15:52:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-22 15:52:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:52:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:52:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:52:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:52:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:52:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-22 15:52:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-22 15:52:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:52:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:52:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:52:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-12-22 15:52:40,339 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-12-22 15:52:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-12-22 15:52:40,339 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-12-22 15:52:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_81 [2021-12-22 15:52:40,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_81 [2021-12-22 15:52:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:52:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:52:40,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:52:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-22 15:52:40,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-22 15:52:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:52:40,340 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:52:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:52:40,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:52:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:52:40,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:52:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_108 [2021-12-22 15:52:40,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_108 [2021-12-22 15:52:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 15:52:40,341 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 15:52:40,341 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-22 15:52:40,341 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-22 15:52:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_89 [2021-12-22 15:52:40,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_89 [2021-12-22 15:52:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2021-12-22 15:52:40,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2021-12-22 15:52:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-12-22 15:52:40,342 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-12-22 15:52:40,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-22 15:52:40,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-22 15:52:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:52:40,343 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:52:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-12-22 15:52:40,343 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-12-22 15:52:40,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:52:40,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:52:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:52:40,344 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:52:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 15:52:40,344 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 15:52:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:52:40,344 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:52:40,344 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-12-22 15:52:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-12-22 15:52:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:52:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-12-22 15:52:40,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-12-22 15:52:40,345 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-22 15:52:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-22 15:52:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 15:52:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 15:52:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:52:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:52:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-12-22 15:52:40,346 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-12-22 15:52:40,346 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-12-22 15:52:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-12-22 15:52:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:52:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:52:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_109 [2021-12-22 15:52:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_109 [2021-12-22 15:52:40,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_94 [2021-12-22 15:52:40,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_94 [2021-12-22 15:52:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-22 15:52:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-22 15:52:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_90 [2021-12-22 15:52:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_90 [2021-12-22 15:52:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:52:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:52:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-12-22 15:52:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-12-22 15:52:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-12-22 15:52:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-12-22 15:52:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:52:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:52:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-22 15:52:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-22 15:52:40,349 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 15:52:40,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 15:52:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 15:52:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 15:52:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-22 15:52:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-22 15:52:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:52:40,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:52:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:52:40,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:52:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:52:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:52:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:52:41,299 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:52:41,302 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:52:42,173 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:52:47,117 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:52:47,187 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:52:47,216 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:52:47,216 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:52:47,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:52:47 BoogieIcfgContainer [2021-12-22 15:52:47,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:52:47,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:52:47,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:52:47,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:52:47,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:52:35" (1/3) ... [2021-12-22 15:52:47,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17518054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:52:47, skipping insertion in model container [2021-12-22 15:52:47,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:52:39" (2/3) ... [2021-12-22 15:52:47,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17518054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:52:47, skipping insertion in model container [2021-12-22 15:52:47,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:52:47" (3/3) ... [2021-12-22 15:52:47,227 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-22 15:52:47,232 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:52:47,232 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-22 15:52:47,293 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:52:47,301 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:52:47,301 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-22 15:52:47,373 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) [2021-12-22 15:52:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-22 15:52:47,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:52:47,389 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] [2021-12-22 15:52:47,389 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:52:47,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:52:47,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1438847336, now seen corresponding path program 1 times [2021-12-22 15:52:47,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:52:47,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177167773] [2021-12-22 15:52:47,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:52:47,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:52:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:52:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:52:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:52:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:52:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:52:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:52:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:52:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:52:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:52:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:52:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:52:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:52:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:52:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:52:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:52:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:52:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:52:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:52:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-22 15:52:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-22 15:52:48,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:52:48,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177167773] [2021-12-22 15:52:48,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177167773] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:52:48,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:52:48,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:52:48,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733265454] [2021-12-22 15:52:48,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:52:48,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:52:48,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:52:48,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:52:48,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:52:48,596 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) [2021-12-22 15:52:54,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:52:54,869 INFO L93 Difference]: Finished difference Result 9165 states and 13750 transitions. [2021-12-22 15:52:54,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:52:54,871 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 [2021-12-22 15:52:54,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:52:54,943 INFO L225 Difference]: With dead ends: 9165 [2021-12-22 15:52:54,990 INFO L226 Difference]: Without dead ends: 6086 [2021-12-22 15:52:55,027 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:52:55,032 INFO L933 BasicCegarLoop]: 4756 mSDtfsCounter, 4955 mSDsluCounter, 5571 mSDsCounter, 0 mSdLazyCounter, 2519 mSolverCounterSat, 2189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5660 SdHoareTripleChecker+Valid, 10327 SdHoareTripleChecker+Invalid, 4708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2189 IncrementalHoareTripleChecker+Valid, 2519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:52:55,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5660 Valid, 10327 Invalid, 4708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2189 Valid, 2519 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-22 15:52:55,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2021-12-22 15:52:55,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 6023. [2021-12-22 15:52:55,365 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) [2021-12-22 15:52:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6023 states to 6023 states and 8651 transitions. [2021-12-22 15:52:55,414 INFO L78 Accepts]: Start accepts. Automaton has 6023 states and 8651 transitions. Word has length 215 [2021-12-22 15:52:55,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:52:55,418 INFO L470 AbstractCegarLoop]: Abstraction has 6023 states and 8651 transitions. [2021-12-22 15:52:55,418 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) [2021-12-22 15:52:55,418 INFO L276 IsEmpty]: Start isEmpty. Operand 6023 states and 8651 transitions. [2021-12-22 15:52:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-22 15:52:55,433 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:52:55,434 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] [2021-12-22 15:52:55,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:52:55,434 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:52:55,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:52:55,435 INFO L85 PathProgramCache]: Analyzing trace with hash 895765712, now seen corresponding path program 1 times [2021-12-22 15:52:55,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:52:55,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112157779] [2021-12-22 15:52:55,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:52:55,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:52:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:52:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:52:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:52:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:52:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:52:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:52:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:52:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:52:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:52:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:52:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:52:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:52:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:52:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:52:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:52:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:52:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:52:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:52:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:52:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-22 15:52:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:52:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:52:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-22 15:52:56,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:52:56,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112157779] [2021-12-22 15:52:56,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112157779] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:52:56,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:52:56,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:52:56,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721849612] [2021-12-22 15:52:56,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:52:56,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:52:56,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:52:56,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:52:56,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:52:56,069 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) [2021-12-22 15:53:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:01,684 INFO L93 Difference]: Finished difference Result 17779 states and 25764 transitions. [2021-12-22 15:53:01,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:01,685 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 [2021-12-22 15:53:01,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:01,849 INFO L225 Difference]: With dead ends: 17779 [2021-12-22 15:53:01,852 INFO L226 Difference]: Without dead ends: 11795 [2021-12-22 15:53:01,880 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 [2021-12-22 15:53:01,881 INFO L933 BasicCegarLoop]: 4794 mSDtfsCounter, 4855 mSDsluCounter, 5628 mSDsCounter, 0 mSdLazyCounter, 2448 mSolverCounterSat, 2259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5499 SdHoareTripleChecker+Valid, 10422 SdHoareTripleChecker+Invalid, 4707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2259 IncrementalHoareTripleChecker+Valid, 2448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:01,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5499 Valid, 10422 Invalid, 4707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2259 Valid, 2448 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-22 15:53:01,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11795 states. [2021-12-22 15:53:02,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11795 to 11658. [2021-12-22 15:53:02,392 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) [2021-12-22 15:53:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11658 states to 11658 states and 16819 transitions. [2021-12-22 15:53:02,453 INFO L78 Accepts]: Start accepts. Automaton has 11658 states and 16819 transitions. Word has length 224 [2021-12-22 15:53:02,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:02,455 INFO L470 AbstractCegarLoop]: Abstraction has 11658 states and 16819 transitions. [2021-12-22 15:53:02,456 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) [2021-12-22 15:53:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 11658 states and 16819 transitions. [2021-12-22 15:53:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-22 15:53:02,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:02,462 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] [2021-12-22 15:53:02,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:53:02,463 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:02,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:02,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1464842093, now seen corresponding path program 1 times [2021-12-22 15:53:02,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:02,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516395443] [2021-12-22 15:53:02,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:02,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:53:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:53:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:53:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:53:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:53:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:53:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-12-22 15:53:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:53:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:03,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-22 15:53:03,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:03,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516395443] [2021-12-22 15:53:03,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516395443] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:03,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:03,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:03,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037455146] [2021-12-22 15:53:03,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:03,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:03,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:03,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:03,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:03,064 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) [2021-12-22 15:53:08,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:08,725 INFO L93 Difference]: Finished difference Result 30272 states and 43695 transitions. [2021-12-22 15:53:08,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:08,727 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 [2021-12-22 15:53:08,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:08,841 INFO L225 Difference]: With dead ends: 30272 [2021-12-22 15:53:08,842 INFO L226 Difference]: Without dead ends: 18653 [2021-12-22 15:53:08,996 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 [2021-12-22 15:53:09,003 INFO L933 BasicCegarLoop]: 5199 mSDtfsCounter, 4805 mSDsluCounter, 5915 mSDsCounter, 0 mSdLazyCounter, 2575 mSolverCounterSat, 2163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5493 SdHoareTripleChecker+Valid, 11114 SdHoareTripleChecker+Invalid, 4738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2163 IncrementalHoareTripleChecker+Valid, 2575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:09,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5493 Valid, 11114 Invalid, 4738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2163 Valid, 2575 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-22 15:53:09,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18653 states. [2021-12-22 15:53:09,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18653 to 18434. [2021-12-22 15:53:09,618 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) [2021-12-22 15:53:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18434 states to 18434 states and 26354 transitions. [2021-12-22 15:53:09,716 INFO L78 Accepts]: Start accepts. Automaton has 18434 states and 26354 transitions. Word has length 236 [2021-12-22 15:53:09,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:09,717 INFO L470 AbstractCegarLoop]: Abstraction has 18434 states and 26354 transitions. [2021-12-22 15:53:09,719 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) [2021-12-22 15:53:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand 18434 states and 26354 transitions. [2021-12-22 15:53:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-22 15:53:09,725 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:09,725 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] [2021-12-22 15:53:09,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:53:09,726 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-22 15:53:09,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:09,727 INFO L85 PathProgramCache]: Analyzing trace with hash 835164612, now seen corresponding path program 1 times [2021-12-22 15:53:09,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:09,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190047234] [2021-12-22 15:53:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:09,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:09,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:53:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:53:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:53:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:53:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:53:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-22 15:53:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-22 15:53:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-22 15:53:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-22 15:53:10,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:10,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190047234] [2021-12-22 15:53:10,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190047234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:10,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:10,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:10,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234656894] [2021-12-22 15:53:10,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:10,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:10,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:10,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:10,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:10,247 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) [2021-12-22 15:53:15,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:53:15,730 INFO L93 Difference]: Finished difference Result 54282 states and 77873 transitions. [2021-12-22 15:53:15,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:53:15,731 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 [2021-12-22 15:53:15,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:53:15,915 INFO L225 Difference]: With dead ends: 54282 [2021-12-22 15:53:15,915 INFO L226 Difference]: Without dead ends: 35887 [2021-12-22 15:53:15,992 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 [2021-12-22 15:53:15,996 INFO L933 BasicCegarLoop]: 5623 mSDtfsCounter, 4498 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 2634 mSolverCounterSat, 2017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5179 SdHoareTripleChecker+Valid, 11562 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2017 IncrementalHoareTripleChecker+Valid, 2634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:53:15,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5179 Valid, 11562 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2017 Valid, 2634 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-22 15:53:16,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35887 states. [2021-12-22 15:53:17,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35887 to 35472. [2021-12-22 15:53:17,323 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) [2021-12-22 15:53:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35472 states to 35472 states and 50585 transitions. [2021-12-22 15:53:17,519 INFO L78 Accepts]: Start accepts. Automaton has 35472 states and 50585 transitions. Word has length 237 [2021-12-22 15:53:17,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:53:17,521 INFO L470 AbstractCegarLoop]: Abstraction has 35472 states and 50585 transitions. [2021-12-22 15:53:17,521 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) [2021-12-22 15:53:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 35472 states and 50585 transitions. [2021-12-22 15:53:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-22 15:53:17,525 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:53:17,525 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] [2021-12-22 15:53:17,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:53:17,526 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)] === [2021-12-22 15:53:17,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:53:17,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1650694640, now seen corresponding path program 1 times [2021-12-22 15:53:17,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:53:17,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27809167] [2021-12-22 15:53:17,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:53:17,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:53:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:53:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:53:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:53:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:53:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:53:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:53:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:53:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:53:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:53:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:53:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:53:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:53:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:53:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:53:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:53:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:53:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:53:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:53:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:18,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-22 15:53:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:53:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:18,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:53:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:53:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-22 15:53:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:53:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1279 trivial. 0 not checked. [2021-12-22 15:53:18,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:53:18,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27809167] [2021-12-22 15:53:18,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27809167] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:53:18,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:53:18,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:53:18,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495548419] [2021-12-22 15:53:18,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:53:18,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:53:18,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:53:18,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:53:18,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:53:18,042 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)