./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-dec-tulip-dmfe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-dec-tulip-dmfe.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 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:59:09,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:59:09,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:59:09,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:59:09,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:59:09,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:59:09,160 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:59:09,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:59:09,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:59:09,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:59:09,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:59:09,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:59:09,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:59:09,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:59:09,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:59:09,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:59:09,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:59:09,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:59:09,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:59:09,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:59:09,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:59:09,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:59:09,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:59:09,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:59:09,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:59:09,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:59:09,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:59:09,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:59:09,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:59:09,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:59:09,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:59:09,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:59:09,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:59:09,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:59:09,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:59:09,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:59:09,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:59:09,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:59:09,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:59:09,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:59:09,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:59:09,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:59:09,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:59:09,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:59:09,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:59:09,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:59:09,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:59:09,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:59:09,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:59:09,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:59:09,224 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:59:09,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:59:09,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:59:09,225 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:59:09,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:59:09,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:59:09,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:59:09,226 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:59:09,226 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:59:09,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:59:09,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:59:09,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:59:09,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:59:09,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:59:09,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:59:09,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:59:09,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:59:09,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:59:09,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:59:09,231 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:59:09,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:59:09,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:59:09,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:59:09,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ee317e42bc2e06685ca0df819e5fc98feaca323581d52409851fe6eefd66a2a [2021-12-14 18:59:09,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:59:09,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:59:09,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:59:09,425 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:59:09,426 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:59:09,426 INFO L432 ainManager$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-dec-tulip-dmfe.cil.i [2021-12-14 18:59:09,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b4756c0/293b93ad293b41449cdc6de0cdd0ed7c/FLAG66f29ea98 [2021-12-14 18:59:10,119 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:59:10,120 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-dec-tulip-dmfe.cil.i [2021-12-14 18:59:10,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b4756c0/293b93ad293b41449cdc6de0cdd0ed7c/FLAG66f29ea98 [2021-12-14 18:59:10,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5b4756c0/293b93ad293b41449cdc6de0cdd0ed7c [2021-12-14 18:59:10,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:59:10,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:59:10,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:59:10,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:59:10,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:59:10,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:59:10" (1/1) ... [2021-12-14 18:59:10,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9e33a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:10, skipping insertion in model container [2021-12-14 18:59:10,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:59:10" (1/1) ... [2021-12-14 18:59:10,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:59:10,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:59:11,988 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-dec-tulip-dmfe.cil.i[323320,323333] [2021-12-14 18:59:11,990 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-dec-tulip-dmfe.cil.i[323489,323502] [2021-12-14 18:59:11,990 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-dec-tulip-dmfe.cil.i[323656,323669] [2021-12-14 18:59:11,991 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-dec-tulip-dmfe.cil.i[323824,323837] [2021-12-14 18:59:12,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:59:12,044 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:59:12,267 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-dec-tulip-dmfe.cil.i[323320,323333] [2021-12-14 18:59:12,267 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-dec-tulip-dmfe.cil.i[323489,323502] [2021-12-14 18:59:12,267 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-dec-tulip-dmfe.cil.i[323656,323669] [2021-12-14 18:59:12,268 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-dec-tulip-dmfe.cil.i[323824,323837] [2021-12-14 18:59:12,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:59:12,383 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:59:12,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12 WrapperNode [2021-12-14 18:59:12,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:59:12,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:59:12,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:59:12,385 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:59:12,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,608 INFO L137 Inliner]: procedures = 422, calls = 1985, calls flagged for inlining = 201, calls inlined = 184, statements flattened = 5029 [2021-12-14 18:59:12,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:59:12,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:59:12,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:59:12,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:59:12,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:59:12,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:59:12,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:59:12,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:59:12,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (1/1) ... [2021-12-14 18:59:12,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:59:12,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:59:12,810 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) [2021-12-14 18:59:12,824 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 [2021-12-14 18:59:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:59:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:59:12,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:59:12,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:59:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:59:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:59:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2021-12-14 18:59:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2021-12-14 18:59:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:59:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:59:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:59:12,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:59:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2021-12-14 18:59:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2021-12-14 18:59:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:59:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:59:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 18:59:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 18:59:12,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_dmfe_board_info [2021-12-14 18:59:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_dmfe_board_info [2021-12-14 18:59:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:59:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:59:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 18:59:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 18:59:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-14 18:59:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-14 18:59:12,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2021-12-14 18:59:12,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2021-12-14 18:59:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-14 18:59:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-14 18:59:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:59:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:59:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2021-12-14 18:59:12,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2021-12-14 18:59:12,845 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2021-12-14 18:59:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2021-12-14 18:59:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:59:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:59:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:59:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:59:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:59:12,846 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:59:12,846 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-14 18:59:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-14 18:59:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:59:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:59:12,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:59:12,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:59:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write [2021-12-14 18:59:12,848 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write [2021-12-14 18:59:12,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:59:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2021-12-14 18:59:12,849 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2021-12-14 18:59:12,849 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:59:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:59:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:59:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:59:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:59:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-14 18:59:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-14 18:59:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:59:12,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:59:12,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:59:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2021-12-14 18:59:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2021-12-14 18:59:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2021-12-14 18:59:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2021-12-14 18:59:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:59:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2021-12-14 18:59:12,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2021-12-14 18:59:12,851 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:59:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:59:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:59:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:59:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:59:12,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:59:12,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:59:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:59:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2021-12-14 18:59:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2021-12-14 18:59:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:59:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:59:12,853 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2021-12-14 18:59:12,853 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2021-12-14 18:59:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:59:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:59:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2021-12-14 18:59:12,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2021-12-14 18:59:12,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:59:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:59:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:59:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:59:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:59:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:59:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2021-12-14 18:59:12,855 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2021-12-14 18:59:12,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:59:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:59:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:59:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:59:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:59:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-14 18:59:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-14 18:59:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:59:12,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:59:12,856 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-14 18:59:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-14 18:59:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2021-12-14 18:59:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2021-12-14 18:59:12,857 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:59:12,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:59:12,858 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:59:12,858 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:59:12,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 18:59:12,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 18:59:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:59:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:59:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_stop [2021-12-14 18:59:12,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_stop [2021-12-14 18:59:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:59:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:59:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:59:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:59:12,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:59:12,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:59:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:59:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:59:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:59:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:59:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_open [2021-12-14 18:59:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_open [2021-12-14 18:59:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:59:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:59:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:59:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:59:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read [2021-12-14 18:59:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read [2021-12-14 18:59:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:59:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:59:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 18:59:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 18:59:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2021-12-14 18:59:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2021-12-14 18:59:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:59:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:59:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:59:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:59:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-14 18:59:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-14 18:59:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-14 18:59:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-14 18:59:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:59:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2021-12-14 18:59:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2021-12-14 18:59:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:59:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:59:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:59:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:59:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-14 18:59:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-14 18:59:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:59:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:59:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2021-12-14 18:59:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2021-12-14 18:59:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:59:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:59:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:59:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2021-12-14 18:59:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2021-12-14 18:59:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2021-12-14 18:59:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_dmfe_cleanup_module_14_2 [2021-12-14 18:59:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2021-12-14 18:59:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2021-12-14 18:59:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:59:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:59:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-14 18:59:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-14 18:59:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:59:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:59:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:59:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:59:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:59:13,491 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:59:13,493 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:59:13,703 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:59:15,410 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:59:15,452 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:59:15,464 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:59:15,464 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:59:15,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:59:15 BoogieIcfgContainer [2021-12-14 18:59:15,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:59:15,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:59:15,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:59:15,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:59:15,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:59:10" (1/3) ... [2021-12-14 18:59:15,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7886c206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:59:15, skipping insertion in model container [2021-12-14 18:59:15,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:59:12" (2/3) ... [2021-12-14 18:59:15,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7886c206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:59:15, skipping insertion in model container [2021-12-14 18:59:15,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:59:15" (3/3) ... [2021-12-14 18:59:15,472 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-dmfe.cil.i [2021-12-14 18:59:15,475 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:59:15,475 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:59:15,518 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:59:15,522 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 [2021-12-14 18:59:15,522 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:59:15,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 1711 states, 1206 states have (on average 1.306799336650083) internal successors, (1576), 1229 states have internal predecessors, (1576), 420 states have call successors, (420), 83 states have call predecessors, (420), 82 states have return successors, (414), 405 states have call predecessors, (414), 414 states have call successors, (414) [2021-12-14 18:59:15,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-14 18:59:15,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:15,567 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:15,568 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)] === [2021-12-14 18:59:15,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:15,571 INFO L85 PathProgramCache]: Analyzing trace with hash 355979356, now seen corresponding path program 1 times [2021-12-14 18:59:15,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:15,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168319797] [2021-12-14 18:59:15,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:15,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-12-14 18:59:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-14 18:59:16,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:16,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168319797] [2021-12-14 18:59:16,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168319797] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:16,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:16,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:16,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500786732] [2021-12-14 18:59:16,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:16,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:16,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:16,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:16,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:16,286 INFO L87 Difference]: Start difference. First operand has 1711 states, 1206 states have (on average 1.306799336650083) internal successors, (1576), 1229 states have internal predecessors, (1576), 420 states have call successors, (420), 83 states have call predecessors, (420), 82 states have return successors, (414), 405 states have call predecessors, (414), 414 states have call successors, (414) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-14 18:59:19,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:19,361 INFO L93 Difference]: Finished difference Result 5280 states and 7613 transitions. [2021-12-14 18:59:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:19,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 116 [2021-12-14 18:59:19,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:19,389 INFO L225 Difference]: With dead ends: 5280 [2021-12-14 18:59:19,389 INFO L226 Difference]: Without dead ends: 3580 [2021-12-14 18:59:19,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:19,401 INFO L933 BasicCegarLoop]: 2483 mSDtfsCounter, 3540 mSDsluCounter, 2628 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 1388 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3928 SdHoareTripleChecker+Valid, 5111 SdHoareTripleChecker+Invalid, 2922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1388 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:19,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3928 Valid, 5111 Invalid, 2922 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1388 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-14 18:59:19,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2021-12-14 18:59:19,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3274. [2021-12-14 18:59:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 2324 states have (on average 1.299053356282272) internal successors, (3019), 2369 states have internal predecessors, (3019), 787 states have call successors, (787), 161 states have call predecessors, (787), 160 states have return successors, (783), 765 states have call predecessors, (783), 783 states have call successors, (783) [2021-12-14 18:59:19,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 4589 transitions. [2021-12-14 18:59:19,558 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 4589 transitions. Word has length 116 [2021-12-14 18:59:19,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:19,559 INFO L470 AbstractCegarLoop]: Abstraction has 3274 states and 4589 transitions. [2021-12-14 18:59:19,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-14 18:59:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 4589 transitions. [2021-12-14 18:59:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-14 18:59:19,563 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:19,563 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:19,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:59:19,564 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)] === [2021-12-14 18:59:19,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:19,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1373213958, now seen corresponding path program 1 times [2021-12-14 18:59:19,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:19,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531928934] [2021-12-14 18:59:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:19,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-14 18:59:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:59:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-14 18:59:19,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:19,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531928934] [2021-12-14 18:59:19,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531928934] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:19,748 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:19,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:19,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537093842] [2021-12-14 18:59:19,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:19,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:19,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:19,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:19,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:19,751 INFO L87 Difference]: Start difference. First operand 3274 states and 4589 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-14 18:59:22,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:22,683 INFO L93 Difference]: Finished difference Result 10286 states and 14533 transitions. [2021-12-14 18:59:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:22,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2021-12-14 18:59:22,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:22,724 INFO L225 Difference]: With dead ends: 10286 [2021-12-14 18:59:22,725 INFO L226 Difference]: Without dead ends: 7033 [2021-12-14 18:59:22,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:22,743 INFO L933 BasicCegarLoop]: 2479 mSDtfsCounter, 3551 mSDsluCounter, 2680 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 1439 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3933 SdHoareTripleChecker+Valid, 5159 SdHoareTripleChecker+Invalid, 2936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1439 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:22,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3933 Valid, 5159 Invalid, 2936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1439 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-12-14 18:59:22,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7033 states. [2021-12-14 18:59:22,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7033 to 6677. [2021-12-14 18:59:22,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6677 states, 4771 states have (on average 1.3045483127226996) internal successors, (6224), 4877 states have internal predecessors, (6224), 1570 states have call successors, (1570), 320 states have call predecessors, (1570), 333 states have return successors, (1616), 1527 states have call predecessors, (1616), 1566 states have call successors, (1616) [2021-12-14 18:59:23,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 9410 transitions. [2021-12-14 18:59:23,006 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 9410 transitions. Word has length 122 [2021-12-14 18:59:23,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:23,006 INFO L470 AbstractCegarLoop]: Abstraction has 6677 states and 9410 transitions. [2021-12-14 18:59:23,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-14 18:59:23,007 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 9410 transitions. [2021-12-14 18:59:23,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-14 18:59:23,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:23,013 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:23,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:59:23,013 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)] === [2021-12-14 18:59:23,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:23,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1237945319, now seen corresponding path program 1 times [2021-12-14 18:59:23,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:23,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278052656] [2021-12-14 18:59:23,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:23,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-14 18:59:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-14 18:59:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-14 18:59:23,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:23,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278052656] [2021-12-14 18:59:23,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278052656] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:23,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:23,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:23,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615781037] [2021-12-14 18:59:23,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:23,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:23,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:23,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:23,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:23,247 INFO L87 Difference]: Start difference. First operand 6677 states and 9410 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-14 18:59:25,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:25,946 INFO L93 Difference]: Finished difference Result 19693 states and 27796 transitions. [2021-12-14 18:59:25,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:25,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 122 [2021-12-14 18:59:25,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:26,027 INFO L225 Difference]: With dead ends: 19693 [2021-12-14 18:59:26,028 INFO L226 Difference]: Without dead ends: 13037 [2021-12-14 18:59:26,062 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:26,064 INFO L933 BasicCegarLoop]: 2547 mSDtfsCounter, 3229 mSDsluCounter, 2700 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 1358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3564 SdHoareTripleChecker+Valid, 5247 SdHoareTripleChecker+Invalid, 2786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1358 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:26,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3564 Valid, 5247 Invalid, 2786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1358 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-14 18:59:26,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13037 states. [2021-12-14 18:59:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13037 to 12085. [2021-12-14 18:59:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12085 states, 8623 states have (on average 1.2997796590513742) internal successors, (11208), 8817 states have internal predecessors, (11208), 2832 states have call successors, (2832), 618 states have call predecessors, (2832), 627 states have return successors, (2894), 2737 states have call predecessors, (2894), 2828 states have call successors, (2894) [2021-12-14 18:59:26,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12085 states to 12085 states and 16934 transitions. [2021-12-14 18:59:26,515 INFO L78 Accepts]: Start accepts. Automaton has 12085 states and 16934 transitions. Word has length 122 [2021-12-14 18:59:26,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:26,516 INFO L470 AbstractCegarLoop]: Abstraction has 12085 states and 16934 transitions. [2021-12-14 18:59:26,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-14 18:59:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 12085 states and 16934 transitions. [2021-12-14 18:59:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-14 18:59:26,519 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:26,519 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:26,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:59:26,519 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)] === [2021-12-14 18:59:26,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:26,520 INFO L85 PathProgramCache]: Analyzing trace with hash -155362643, now seen corresponding path program 1 times [2021-12-14 18:59:26,520 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:26,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697623451] [2021-12-14 18:59:26,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:26,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:59:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-14 18:59:26,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:26,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697623451] [2021-12-14 18:59:26,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697623451] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:26,703 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:26,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:26,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140809913] [2021-12-14 18:59:26,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:26,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:26,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:26,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:26,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:26,704 INFO L87 Difference]: Start difference. First operand 12085 states and 16934 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-14 18:59:29,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:29,739 INFO L93 Difference]: Finished difference Result 37021 states and 52134 transitions. [2021-12-14 18:59:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:29,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2021-12-14 18:59:29,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:29,860 INFO L225 Difference]: With dead ends: 37021 [2021-12-14 18:59:29,861 INFO L226 Difference]: Without dead ends: 24957 [2021-12-14 18:59:29,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:29,917 INFO L933 BasicCegarLoop]: 2471 mSDtfsCounter, 3383 mSDsluCounter, 2669 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 1401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3750 SdHoareTripleChecker+Valid, 5140 SdHoareTripleChecker+Invalid, 2924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1401 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:29,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3750 Valid, 5140 Invalid, 2924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1401 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-14 18:59:29,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24957 states. [2021-12-14 18:59:30,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24957 to 22819. [2021-12-14 18:59:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22819 states, 16231 states have (on average 1.298502864888177) internal successors, (21076), 16591 states have internal predecessors, (21076), 5364 states have call successors, (5364), 1218 states have call predecessors, (5364), 1221 states have return successors, (5454), 5157 states have call predecessors, (5454), 5360 states have call successors, (5454) [2021-12-14 18:59:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22819 states to 22819 states and 31894 transitions. [2021-12-14 18:59:30,693 INFO L78 Accepts]: Start accepts. Automaton has 22819 states and 31894 transitions. Word has length 128 [2021-12-14 18:59:30,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:30,695 INFO L470 AbstractCegarLoop]: Abstraction has 22819 states and 31894 transitions. [2021-12-14 18:59:30,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-14 18:59:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 22819 states and 31894 transitions. [2021-12-14 18:59:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-14 18:59:30,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:30,697 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:30,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:59:30,697 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)] === [2021-12-14 18:59:30,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:30,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1030222312, now seen corresponding path program 1 times [2021-12-14 18:59:30,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:30,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102434465] [2021-12-14 18:59:30,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:30,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:59:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-14 18:59:30,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:30,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102434465] [2021-12-14 18:59:30,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102434465] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:30,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:30,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:30,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970941393] [2021-12-14 18:59:30,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:30,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:30,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:30,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:30,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:30,852 INFO L87 Difference]: Start difference. First operand 22819 states and 31894 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-14 18:59:33,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:33,455 INFO L93 Difference]: Finished difference Result 43394 states and 60937 transitions. [2021-12-14 18:59:33,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:33,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 126 [2021-12-14 18:59:33,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:33,550 INFO L225 Difference]: With dead ends: 43394 [2021-12-14 18:59:33,551 INFO L226 Difference]: Without dead ends: 20596 [2021-12-14 18:59:33,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:33,619 INFO L933 BasicCegarLoop]: 3056 mSDtfsCounter, 2445 mSDsluCounter, 2879 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 1069 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2754 SdHoareTripleChecker+Valid, 5935 SdHoareTripleChecker+Invalid, 2541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1069 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:33,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2754 Valid, 5935 Invalid, 2541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1069 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-14 18:59:33,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20596 states. [2021-12-14 18:59:34,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20596 to 18618. [2021-12-14 18:59:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18618 states, 13401 states have (on average 1.3033355719722408) internal successors, (17466), 13700 states have internal predecessors, (17466), 4190 states have call successors, (4190), 1031 states have call predecessors, (4190), 1024 states have return successors, (4233), 4002 states have call predecessors, (4233), 4186 states have call successors, (4233) [2021-12-14 18:59:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18618 states to 18618 states and 25889 transitions. [2021-12-14 18:59:34,246 INFO L78 Accepts]: Start accepts. Automaton has 18618 states and 25889 transitions. Word has length 126 [2021-12-14 18:59:34,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:34,248 INFO L470 AbstractCegarLoop]: Abstraction has 18618 states and 25889 transitions. [2021-12-14 18:59:34,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2021-12-14 18:59:34,248 INFO L276 IsEmpty]: Start isEmpty. Operand 18618 states and 25889 transitions. [2021-12-14 18:59:34,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-14 18:59:34,249 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:34,250 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:34,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:59:34,250 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:59:34,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:34,251 INFO L85 PathProgramCache]: Analyzing trace with hash 982818423, now seen corresponding path program 1 times [2021-12-14 18:59:34,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:34,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215896189] [2021-12-14 18:59:34,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:34,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-14 18:59:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-14 18:59:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-14 18:59:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-14 18:59:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2021-12-14 18:59:34,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:34,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215896189] [2021-12-14 18:59:34,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215896189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:34,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:34,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:34,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786471011] [2021-12-14 18:59:34,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:34,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:34,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:34,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:34,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:34,430 INFO L87 Difference]: Start difference. First operand 18618 states and 25889 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, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-14 18:59:37,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:37,809 INFO L93 Difference]: Finished difference Result 57934 states and 81166 transitions. [2021-12-14 18:59:37,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:37,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 145 [2021-12-14 18:59:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:37,993 INFO L225 Difference]: With dead ends: 57934 [2021-12-14 18:59:37,993 INFO L226 Difference]: Without dead ends: 39337 [2021-12-14 18:59:38,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:38,050 INFO L933 BasicCegarLoop]: 2832 mSDtfsCounter, 3510 mSDsluCounter, 2893 mSDsCounter, 0 mSdLazyCounter, 1531 mSolverCounterSat, 1366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3907 SdHoareTripleChecker+Valid, 5725 SdHoareTripleChecker+Invalid, 2897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1366 IncrementalHoareTripleChecker+Valid, 1531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:38,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3907 Valid, 5725 Invalid, 2897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1366 Valid, 1531 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-12-14 18:59:38,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39337 states. [2021-12-14 18:59:38,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39337 to 35473. [2021-12-14 18:59:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35473 states, 25500 states have (on average 1.3036078431372549) internal successors, (33242), 26104 states have internal predecessors, (33242), 8009 states have call successors, (8009), 1974 states have call predecessors, (8009), 1961 states have return successors, (8099), 7618 states have call predecessors, (8099), 8005 states have call successors, (8099) [2021-12-14 18:59:39,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35473 states to 35473 states and 49350 transitions. [2021-12-14 18:59:39,114 INFO L78 Accepts]: Start accepts. Automaton has 35473 states and 49350 transitions. Word has length 145 [2021-12-14 18:59:39,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:39,114 INFO L470 AbstractCegarLoop]: Abstraction has 35473 states and 49350 transitions. [2021-12-14 18:59:39,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2021-12-14 18:59:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 35473 states and 49350 transitions. [2021-12-14 18:59:39,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-14 18:59:39,117 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:39,117 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:39,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-14 18:59:39,118 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-12-14 18:59:39,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:39,118 INFO L85 PathProgramCache]: Analyzing trace with hash -361805188, now seen corresponding path program 1 times [2021-12-14 18:59:39,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:39,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704416005] [2021-12-14 18:59:39,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:39,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-14 18:59:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:59:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 18:59:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:59:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 18:59:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 18:59:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-12-14 18:59:39,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:39,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704416005] [2021-12-14 18:59:39,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704416005] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:39,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:39,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:39,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116240692] [2021-12-14 18:59:39,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:39,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:39,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:39,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:39,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:39,317 INFO L87 Difference]: Start difference. First operand 35473 states and 49350 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:59:43,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:43,392 INFO L93 Difference]: Finished difference Result 113877 states and 161586 transitions. [2021-12-14 18:59:43,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:43,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 183 [2021-12-14 18:59:43,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:43,910 INFO L225 Difference]: With dead ends: 113877 [2021-12-14 18:59:43,911 INFO L226 Difference]: Without dead ends: 78481 [2021-12-14 18:59:44,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:44,041 INFO L933 BasicCegarLoop]: 3788 mSDtfsCounter, 3046 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 1244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3446 SdHoareTripleChecker+Valid, 6942 SdHoareTripleChecker+Invalid, 2858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1244 IncrementalHoareTripleChecker+Valid, 1614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:44,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3446 Valid, 6942 Invalid, 2858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1244 Valid, 1614 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-12-14 18:59:44,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78481 states. [2021-12-14 18:59:45,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78481 to 70843. [2021-12-14 18:59:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70843 states, 50926 states have (on average 1.291953029886502) internal successors, (65794), 52132 states have internal predecessors, (65794), 15993 states have call successors, (15993), 3946 states have call predecessors, (15993), 3921 states have return successors, (16811), 15212 states have call predecessors, (16811), 15989 states have call successors, (16811) [2021-12-14 18:59:46,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70843 states to 70843 states and 98598 transitions. [2021-12-14 18:59:46,131 INFO L78 Accepts]: Start accepts. Automaton has 70843 states and 98598 transitions. Word has length 183 [2021-12-14 18:59:46,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:46,132 INFO L470 AbstractCegarLoop]: Abstraction has 70843 states and 98598 transitions. [2021-12-14 18:59:46,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:59:46,132 INFO L276 IsEmpty]: Start isEmpty. Operand 70843 states and 98598 transitions. [2021-12-14 18:59:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-14 18:59:46,134 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:46,134 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:46,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-14 18:59:46,135 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-12-14 18:59:46,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:46,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1546652602, now seen corresponding path program 1 times [2021-12-14 18:59:46,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:46,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355306159] [2021-12-14 18:59:46,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:46,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-14 18:59:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:59:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 18:59:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:59:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 18:59:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 18:59:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:46,637 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-12-14 18:59:46,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:46,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355306159] [2021-12-14 18:59:46,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355306159] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:46,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:46,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:46,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482805988] [2021-12-14 18:59:46,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:46,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:46,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:46,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:46,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:46,640 INFO L87 Difference]: Start difference. First operand 70843 states and 98598 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:59:49,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:49,218 INFO L93 Difference]: Finished difference Result 110045 states and 153033 transitions. [2021-12-14 18:59:49,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:59:49,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 183 [2021-12-14 18:59:49,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:49,410 INFO L225 Difference]: With dead ends: 110045 [2021-12-14 18:59:49,410 INFO L226 Difference]: Without dead ends: 39279 [2021-12-14 18:59:49,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:49,632 INFO L933 BasicCegarLoop]: 2188 mSDtfsCounter, 2740 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2963 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:49,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2963 Valid, 3053 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1003 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-14 18:59:49,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39279 states. [2021-12-14 18:59:50,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39279 to 35473. [2021-12-14 18:59:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35473 states, 25500 states have (on average 1.2784313725490195) internal successors, (32600), 26104 states have internal predecessors, (32600), 8009 states have call successors, (8009), 1974 states have call predecessors, (8009), 1961 states have return successors, (8099), 7618 states have call predecessors, (8099), 8005 states have call successors, (8099) [2021-12-14 18:59:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35473 states to 35473 states and 48708 transitions. [2021-12-14 18:59:50,766 INFO L78 Accepts]: Start accepts. Automaton has 35473 states and 48708 transitions. Word has length 183 [2021-12-14 18:59:50,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:50,767 INFO L470 AbstractCegarLoop]: Abstraction has 35473 states and 48708 transitions. [2021-12-14 18:59:50,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:59:50,767 INFO L276 IsEmpty]: Start isEmpty. Operand 35473 states and 48708 transitions. [2021-12-14 18:59:50,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-14 18:59:50,769 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:50,769 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:50,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-14 18:59:50,769 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-12-14 18:59:50,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:50,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1054026428, now seen corresponding path program 1 times [2021-12-14 18:59:50,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:50,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319230330] [2021-12-14 18:59:50,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:50,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-14 18:59:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:59:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 18:59:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:59:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 18:59:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 18:59:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-12-14 18:59:51,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:51,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319230330] [2021-12-14 18:59:51,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319230330] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:51,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:51,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:59:51,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151019402] [2021-12-14 18:59:51,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:51,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:59:51,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:51,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:59:51,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:59:51,179 INFO L87 Difference]: Start difference. First operand 35473 states and 48708 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:59:55,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:59:55,151 INFO L93 Difference]: Finished difference Result 111439 states and 154081 transitions. [2021-12-14 18:59:55,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:59:55,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 183 [2021-12-14 18:59:55,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:59:55,445 INFO L225 Difference]: With dead ends: 111439 [2021-12-14 18:59:55,445 INFO L226 Difference]: Without dead ends: 76043 [2021-12-14 18:59:55,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:59:55,648 INFO L933 BasicCegarLoop]: 2959 mSDtfsCounter, 3289 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 1267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3675 SdHoareTripleChecker+Valid, 5895 SdHoareTripleChecker+Invalid, 2782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1267 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:59:55,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3675 Valid, 5895 Invalid, 2782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1267 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-12-14 18:59:55,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76043 states. [2021-12-14 18:59:57,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76043 to 68427. [2021-12-14 18:59:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68427 states, 49198 states have (on average 1.2748485710801252) internal successors, (62720), 50260 states have internal predecessors, (62720), 15417 states have call successors, (15417), 3818 states have call predecessors, (15417), 3809 states have return successors, (15601), 14796 states have call predecessors, (15601), 15413 states have call successors, (15601) [2021-12-14 18:59:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68427 states to 68427 states and 93738 transitions. [2021-12-14 18:59:57,931 INFO L78 Accepts]: Start accepts. Automaton has 68427 states and 93738 transitions. Word has length 183 [2021-12-14 18:59:57,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:59:57,932 INFO L470 AbstractCegarLoop]: Abstraction has 68427 states and 93738 transitions. [2021-12-14 18:59:57,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-14 18:59:57,933 INFO L276 IsEmpty]: Start isEmpty. Operand 68427 states and 93738 transitions. [2021-12-14 18:59:57,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-14 18:59:57,934 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:59:57,934 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:59:57,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-14 18:59:57,935 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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)] === [2021-12-14 18:59:57,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:59:57,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1194575038, now seen corresponding path program 1 times [2021-12-14 18:59:57,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:59:57,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887008247] [2021-12-14 18:59:57,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:59:57,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:59:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:59:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:59:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:59:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:58,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:59:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:59:58,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:59:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:59:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:59:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-14 18:59:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-14 18:59:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:59:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:59:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-14 18:59:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:59:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-14 18:59:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-14 18:59:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 18:59:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:59:58,193 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2021-12-14 18:59:58,194 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:59:58,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887008247] [2021-12-14 18:59:58,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887008247] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:59:58,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:59:58,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:59:58,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310121815] [2021-12-14 18:59:58,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:59:58,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:59:58,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:59:58,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:59:58,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:59:58,195 INFO L87 Difference]: Start difference. First operand 68427 states and 93738 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 19:00:01,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:00:01,798 INFO L93 Difference]: Finished difference Result 76045 states and 105307 transitions. [2021-12-14 19:00:01,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 19:00:01,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 183 [2021-12-14 19:00:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:00:02,131 INFO L225 Difference]: With dead ends: 76045 [2021-12-14 19:00:02,132 INFO L226 Difference]: Without dead ends: 76043 [2021-12-14 19:00:02,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 19:00:02,187 INFO L933 BasicCegarLoop]: 2195 mSDtfsCounter, 2723 mSDsluCounter, 4422 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 1002 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2938 SdHoareTripleChecker+Valid, 6617 SdHoareTripleChecker+Invalid, 2712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1002 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:00:02,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2938 Valid, 6617 Invalid, 2712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1002 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-14 19:00:02,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76043 states.