./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.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-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.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 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:34:32,105 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:34:32,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:34:32,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:34:32,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:34:32,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:34:32,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:34:32,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:34:32,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:34:32,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:34:32,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:34:32,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:34:32,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:34:32,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:34:32,195 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:34:32,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:34:32,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:34:32,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:34:32,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:34:32,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:34:32,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:34:32,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:34:32,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:34:32,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:34:32,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:34:32,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:34:32,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:34:32,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:34:32,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:34:32,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:34:32,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:34:32,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:34:32,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:34:32,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:34:32,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:34:32,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:34:32,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:34:32,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:34:32,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:34:32,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:34:32,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:34:32,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:34:32,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:34:32,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:34:32,267 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:34:32,267 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:34:32,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:34:32,268 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:34:32,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:34:32,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:34:32,270 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:34:32,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:34:32,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:34:32,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:34:32,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:34:32,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:34:32,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:34:32,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:34:32,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:34:32,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:34:32,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:34:32,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:34:32,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:34:32,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:34:32,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:34:32,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:34:32,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:34:32,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:34:32,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:34:32,274 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:34:32,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:34:32,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:34:32,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:34:32,275 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 [2021-12-14 18:34:32,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:34:32,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:34:32,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:34:32,535 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:34:32,536 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:34:32,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2021-12-14 18:34:32,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455d54ec8/7aa5262b22d04ad39e62834316708d87/FLAG0072bc07c [2021-12-14 18:34:33,386 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:34:33,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2021-12-14 18:34:33,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455d54ec8/7aa5262b22d04ad39e62834316708d87/FLAG0072bc07c [2021-12-14 18:34:33,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/455d54ec8/7aa5262b22d04ad39e62834316708d87 [2021-12-14 18:34:33,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:34:33,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:34:33,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:34:33,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:34:33,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:34:33,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:34:33" (1/1) ... [2021-12-14 18:34:33,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a190ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:33, skipping insertion in model container [2021-12-14 18:34:33,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:34:33" (1/1) ... [2021-12-14 18:34:33,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:34:33,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:34:36,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2021-12-14 18:34:36,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2021-12-14 18:34:36,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2021-12-14 18:34:36,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2021-12-14 18:34:36,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:34:36,148 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:34:36,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2021-12-14 18:34:36,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2021-12-14 18:34:36,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2021-12-14 18:34:36,527 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2021-12-14 18:34:36,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:34:36,691 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:34:36,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36 WrapperNode [2021-12-14 18:34:36,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:34:36,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:34:36,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:34:36,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:34:36,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:36,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:37,074 INFO L137 Inliner]: procedures = 518, calls = 3478, calls flagged for inlining = 278, calls inlined = 255, statements flattened = 8982 [2021-12-14 18:34:37,075 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:34:37,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:34:37,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:34:37,076 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:34:37,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:37,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:37,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:37,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:37,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:37,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:37,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:37,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:34:37,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:34:37,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:34:37,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:34:37,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (1/1) ... [2021-12-14 18:34:37,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:34:37,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:34:37,507 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 18:34:37,543 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 18:34:37,554 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2021-12-14 18:34:37,554 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2021-12-14 18:34:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2021-12-14 18:34:37,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2021-12-14 18:34:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:34:37,555 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:34:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2021-12-14 18:34:37,555 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2021-12-14 18:34:37,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2021-12-14 18:34:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2021-12-14 18:34:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2021-12-14 18:34:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2021-12-14 18:34:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-14 18:34:37,556 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-14 18:34:37,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:34:37,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:34:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2021-12-14 18:34:37,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2021-12-14 18:34:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2021-12-14 18:34:37,557 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2021-12-14 18:34:37,557 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-14 18:34:37,557 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-14 18:34:37,558 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2021-12-14 18:34:37,558 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2021-12-14 18:34:37,558 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2021-12-14 18:34:37,558 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2021-12-14 18:34:37,558 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2021-12-14 18:34:37,558 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2021-12-14 18:34:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2021-12-14 18:34:37,559 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2021-12-14 18:34:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2021-12-14 18:34:37,559 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2021-12-14 18:34:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2021-12-14 18:34:37,559 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2021-12-14 18:34:37,559 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:34:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:34:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2021-12-14 18:34:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2021-12-14 18:34:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2021-12-14 18:34:37,560 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2021-12-14 18:34:37,560 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2021-12-14 18:34:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2021-12-14 18:34:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2021-12-14 18:34:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2021-12-14 18:34:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 18:34:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2021-12-14 18:34:37,561 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2021-12-14 18:34:37,561 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2021-12-14 18:34:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2021-12-14 18:34:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:34:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:34:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-14 18:34:37,562 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-14 18:34:37,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:34:37,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:34:37,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:34:37,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:34:37,563 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:34:37,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:34:37,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:34:37,563 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2021-12-14 18:34:37,564 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2021-12-14 18:34:37,564 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-14 18:34:37,564 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-14 18:34:37,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___4 [2021-12-14 18:34:37,564 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___4 [2021-12-14 18:34:37,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___2 [2021-12-14 18:34:37,564 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___2 [2021-12-14 18:34:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2021-12-14 18:34:37,565 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2021-12-14 18:34:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:34:37,565 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:34:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:34:37,565 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:34:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2021-12-14 18:34:37,566 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2021-12-14 18:34:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2021-12-14 18:34:37,566 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2021-12-14 18:34:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2021-12-14 18:34:37,566 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2021-12-14 18:34:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2021-12-14 18:34:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2021-12-14 18:34:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:34:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:34:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2021-12-14 18:34:37,567 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2021-12-14 18:34:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:34:37,567 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-14 18:34:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-14 18:34:37,568 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2021-12-14 18:34:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2021-12-14 18:34:37,568 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2021-12-14 18:34:37,568 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2021-12-14 18:34:37,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:34:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:34:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:34:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2021-12-14 18:34:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2021-12-14 18:34:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2021-12-14 18:34:37,569 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2021-12-14 18:34:37,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:34:37,570 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2021-12-14 18:34:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2021-12-14 18:34:37,570 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2021-12-14 18:34:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2021-12-14 18:34:37,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:34:37,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:34:37,571 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2021-12-14 18:34:37,571 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2021-12-14 18:34:37,571 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2021-12-14 18:34:37,571 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2021-12-14 18:34:37,571 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2021-12-14 18:34:37,571 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2021-12-14 18:34:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-14 18:34:37,572 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-14 18:34:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:34:37,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:34:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2021-12-14 18:34:37,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2021-12-14 18:34:37,572 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 18:34:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 18:34:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2021-12-14 18:34:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2021-12-14 18:34:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2021-12-14 18:34:37,573 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2021-12-14 18:34:37,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:34:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-12-14 18:34:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-12-14 18:34:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:34:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:34:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:34:37,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:34:37,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-14 18:34:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-14 18:34:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:34:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:34:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-12-14 18:34:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-14 18:34:37,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-14 18:34:37,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:34:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:34:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:34:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:34:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:34:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2021-12-14 18:34:37,576 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2021-12-14 18:34:37,576 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-14 18:34:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-14 18:34:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2021-12-14 18:34:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2021-12-14 18:34:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2021-12-14 18:34:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2021-12-14 18:34:37,577 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2021-12-14 18:34:37,577 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2021-12-14 18:34:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:34:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:34:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2021-12-14 18:34:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2021-12-14 18:34:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:34:37,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:34:37,578 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2021-12-14 18:34:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2021-12-14 18:34:37,579 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2021-12-14 18:34:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2021-12-14 18:34:37,579 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2021-12-14 18:34:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2021-12-14 18:34:37,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:34:37,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:34:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2021-12-14 18:34:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2021-12-14 18:34:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:34:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:34:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2021-12-14 18:34:37,580 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2021-12-14 18:34:37,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 18:34:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-14 18:34:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2021-12-14 18:34:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2021-12-14 18:34:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-14 18:34:37,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-14 18:34:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:34:37,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:34:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2021-12-14 18:34:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2021-12-14 18:34:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:34:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:34:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2021-12-14 18:34:37,582 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2021-12-14 18:34:37,582 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-12-14 18:34:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-12-14 18:34:37,583 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp [2021-12-14 18:34:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp [2021-12-14 18:34:37,583 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:34:37,583 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:34:37,583 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2021-12-14 18:34:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2021-12-14 18:34:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2021-12-14 18:34:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2021-12-14 18:34:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-12-14 18:34:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-12-14 18:34:37,584 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2021-12-14 18:34:37,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2021-12-14 18:34:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2021-12-14 18:34:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2021-12-14 18:34:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2021-12-14 18:34:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2021-12-14 18:34:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2021-12-14 18:34:37,585 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2021-12-14 18:34:37,585 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:34:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:34:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2021-12-14 18:34:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2021-12-14 18:34:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:34:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:34:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2021-12-14 18:34:37,586 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2021-12-14 18:34:37,586 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2021-12-14 18:34:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2021-12-14 18:34:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2021-12-14 18:34:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2021-12-14 18:34:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2021-12-14 18:34:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2021-12-14 18:34:37,587 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 18:34:37,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 18:34:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2021-12-14 18:34:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2021-12-14 18:34:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:34:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:34:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:34:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2021-12-14 18:34:37,588 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2021-12-14 18:34:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-14 18:34:37,589 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-14 18:34:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2021-12-14 18:34:37,589 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2021-12-14 18:34:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:34:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2021-12-14 18:34:37,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2021-12-14 18:34:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2021-12-14 18:34:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2021-12-14 18:34:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 18:34:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 18:34:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:34:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 18:34:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 18:34:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:34:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:34:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2021-12-14 18:34:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2021-12-14 18:34:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 18:34:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 18:34:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2021-12-14 18:34:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2021-12-14 18:34:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:34:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:34:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2021-12-14 18:34:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2021-12-14 18:34:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2021-12-14 18:34:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2021-12-14 18:34:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:34:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:34:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:34:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:34:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2021-12-14 18:34:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2021-12-14 18:34:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2021-12-14 18:34:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2021-12-14 18:34:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 18:34:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 18:34:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2021-12-14 18:34:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2021-12-14 18:34:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2021-12-14 18:34:37,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2021-12-14 18:34:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:34:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:34:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2021-12-14 18:34:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2021-12-14 18:34:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 18:34:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 18:34:37,595 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2021-12-14 18:34:37,595 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2021-12-14 18:34:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2021-12-14 18:34:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2021-12-14 18:34:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-14 18:34:37,596 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-14 18:34:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2021-12-14 18:34:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2021-12-14 18:34:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:34:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2021-12-14 18:34:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2021-12-14 18:34:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2021-12-14 18:34:37,597 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2021-12-14 18:34:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:34:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:34:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2021-12-14 18:34:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2021-12-14 18:34:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2021-12-14 18:34:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2021-12-14 18:34:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-12-14 18:34:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-12-14 18:34:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2021-12-14 18:34:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2021-12-14 18:34:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 18:34:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 18:34:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2021-12-14 18:34:37,599 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2021-12-14 18:34:37,599 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-14 18:34:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-14 18:34:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2021-12-14 18:34:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2021-12-14 18:34:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-12-14 18:34:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-12-14 18:34:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-14 18:34:37,600 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-14 18:34:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 18:34:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 18:34:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:34:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:34:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2021-12-14 18:34:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2021-12-14 18:34:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:34:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:34:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2021-12-14 18:34:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2021-12-14 18:34:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:34:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:34:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:34:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:34:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_nested [2021-12-14 18:34:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_nested [2021-12-14 18:34:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-14 18:34:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-14 18:34:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:34:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2021-12-14 18:34:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2021-12-14 18:34:37,603 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2021-12-14 18:34:37,603 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2021-12-14 18:34:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2021-12-14 18:34:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2021-12-14 18:34:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:34:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:34:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 18:34:37,604 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2021-12-14 18:34:37,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2021-12-14 18:34:38,701 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:34:38,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:34:39,000 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:34:39,437 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2021-12-14 18:34:47,383 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:34:47,508 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:34:47,525 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:34:47,525 INFO L301 CfgBuilder]: Removed 13 assume(true) statements. [2021-12-14 18:34:47,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:34:47 BoogieIcfgContainer [2021-12-14 18:34:47,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:34:47,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:34:47,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:34:47,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:34:47,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:34:33" (1/3) ... [2021-12-14 18:34:47,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21498cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:34:47, skipping insertion in model container [2021-12-14 18:34:47,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:34:36" (2/3) ... [2021-12-14 18:34:47,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21498cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:34:47, skipping insertion in model container [2021-12-14 18:34:47,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:34:47" (3/3) ... [2021-12-14 18:34:47,537 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2021-12-14 18:34:47,541 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:34:47,541 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:34:47,598 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:34:47,606 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 18:34:47,607 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:34:47,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 3194 states, 2136 states have (on average 1.299625468164794) internal successors, (2776), 2186 states have internal predecessors, (2776), 894 states have call successors, (894), 162 states have call predecessors, (894), 161 states have return successors, (883), 877 states have call predecessors, (883), 883 states have call successors, (883) [2021-12-14 18:34:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2021-12-14 18:34:47,710 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:34:47,711 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:47,712 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:34:47,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:34:47,717 INFO L85 PathProgramCache]: Analyzing trace with hash -405269691, now seen corresponding path program 1 times [2021-12-14 18:34:47,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:34:47,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551017786] [2021-12-14 18:34:47,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:34:47,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:34:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:34:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:34:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:34:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:34:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:34:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:34:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:34:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:34:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:34:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:34:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:34:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:34:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:34:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:34:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:34:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:34:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:34:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:34:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:34:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:34:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:34:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:34:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:34:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:34:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:34:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:34:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:34:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:34:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:34:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:48,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:34:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:34:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:34:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:34:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:34:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:34:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:34:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:34:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:34:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:34:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-14 18:34:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-14 18:34:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-14 18:34:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-14 18:34:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-14 18:34:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-14 18:34:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-14 18:34:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:49,399 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-14 18:34:49,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:34:49,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551017786] [2021-12-14 18:34:49,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551017786] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:34:49,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:34:49,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:34:49,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560018289] [2021-12-14 18:34:49,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:34:49,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:34:49,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:34:49,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:34:49,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:34:49,436 INFO L87 Difference]: Start difference. First operand has 3194 states, 2136 states have (on average 1.299625468164794) internal successors, (2776), 2186 states have internal predecessors, (2776), 894 states have call successors, (894), 162 states have call predecessors, (894), 161 states have return successors, (883), 877 states have call predecessors, (883), 883 states have call successors, (883) Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-14 18:34:52,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:34:57,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:34:57,993 INFO L93 Difference]: Finished difference Result 9329 states and 13681 transitions. [2021-12-14 18:34:57,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:34:57,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 516 [2021-12-14 18:34:57,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:34:58,050 INFO L225 Difference]: With dead ends: 9329 [2021-12-14 18:34:58,050 INFO L226 Difference]: Without dead ends: 6212 [2021-12-14 18:34:58,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 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 18:34:58,083 INFO L933 BasicCegarLoop]: 5005 mSDtfsCounter, 4801 mSDsluCounter, 5792 mSDsCounter, 0 mSdLazyCounter, 2418 mSolverCounterSat, 2087 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5480 SdHoareTripleChecker+Valid, 10797 SdHoareTripleChecker+Invalid, 4506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2087 IncrementalHoareTripleChecker+Valid, 2418 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:34:58,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5480 Valid, 10797 Invalid, 4506 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2087 Valid, 2418 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2021-12-14 18:34:58,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6212 states. [2021-12-14 18:34:58,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6212 to 6094. [2021-12-14 18:34:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6094 states, 4085 states have (on average 1.2714810281517748) internal successors, (5194), 4179 states have internal predecessors, (5194), 1688 states have call successors, (1688), 319 states have call predecessors, (1688), 318 states have return successors, (1684), 1672 states have call predecessors, (1684), 1684 states have call successors, (1684) [2021-12-14 18:34:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6094 states to 6094 states and 8566 transitions. [2021-12-14 18:34:58,481 INFO L78 Accepts]: Start accepts. Automaton has 6094 states and 8566 transitions. Word has length 516 [2021-12-14 18:34:58,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:34:58,486 INFO L470 AbstractCegarLoop]: Abstraction has 6094 states and 8566 transitions. [2021-12-14 18:34:58,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-14 18:34:58,486 INFO L276 IsEmpty]: Start isEmpty. Operand 6094 states and 8566 transitions. [2021-12-14 18:34:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2021-12-14 18:34:58,503 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:34:58,504 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:58,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:34:58,505 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:34:58,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:34:58,505 INFO L85 PathProgramCache]: Analyzing trace with hash -398680193, now seen corresponding path program 1 times [2021-12-14 18:34:58,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:34:58,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467778265] [2021-12-14 18:34:58,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:34:58,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:34:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:34:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:34:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:34:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:34:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:34:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:34:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:34:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:34:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:34:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:34:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:34:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:34:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:34:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:34:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:34:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:34:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:34:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:34:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:34:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:34:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:34:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:34:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:34:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:34:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:34:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:34:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:34:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:34:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:34:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:34:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:34:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:34:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:34:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:34:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:34:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:34:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:34:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:34:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:34:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-14 18:34:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-14 18:34:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-14 18:34:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-14 18:34:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-14 18:34:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-14 18:34:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-14 18:34:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:34:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:34:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:34:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-14 18:34:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:34:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 8650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8650 trivial. 0 not checked. [2021-12-14 18:34:59,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:34:59,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467778265] [2021-12-14 18:34:59,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467778265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:34:59,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:34:59,647 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:34:59,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017273598] [2021-12-14 18:34:59,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:34:59,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:34:59,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:34:59,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:34:59,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:34:59,653 INFO L87 Difference]: Start difference. First operand 6094 states and 8566 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-14 18:35:02,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:35:06,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:35:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:35:10,068 INFO L93 Difference]: Finished difference Result 15128 states and 21288 transitions. [2021-12-14 18:35:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:35:10,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 549 [2021-12-14 18:35:10,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:35:10,136 INFO L225 Difference]: With dead ends: 15128 [2021-12-14 18:35:10,137 INFO L226 Difference]: Without dead ends: 9127 [2021-12-14 18:35:10,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 190 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 18:35:10,168 INFO L933 BasicCegarLoop]: 4966 mSDtfsCounter, 4672 mSDsluCounter, 5788 mSDsCounter, 0 mSdLazyCounter, 2434 mSolverCounterSat, 2076 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5342 SdHoareTripleChecker+Valid, 10754 SdHoareTripleChecker+Invalid, 4512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2076 IncrementalHoareTripleChecker+Valid, 2434 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:35:10,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5342 Valid, 10754 Invalid, 4512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2076 Valid, 2434 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2021-12-14 18:35:10,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9127 states. [2021-12-14 18:35:10,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9127 to 8935. [2021-12-14 18:35:10,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8935 states, 6015 states have (on average 1.2696591853699086) internal successors, (7637), 6157 states have internal predecessors, (7637), 2437 states have call successors, (2437), 481 states have call predecessors, (2437), 480 states have return successors, (2437), 2412 states have call predecessors, (2437), 2433 states have call successors, (2437) [2021-12-14 18:35:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8935 states to 8935 states and 12511 transitions. [2021-12-14 18:35:10,557 INFO L78 Accepts]: Start accepts. Automaton has 8935 states and 12511 transitions. Word has length 549 [2021-12-14 18:35:10,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:35:10,561 INFO L470 AbstractCegarLoop]: Abstraction has 8935 states and 12511 transitions. [2021-12-14 18:35:10,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-14 18:35:10,562 INFO L276 IsEmpty]: Start isEmpty. Operand 8935 states and 12511 transitions. [2021-12-14 18:35:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-12-14 18:35:10,575 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:35:10,575 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:10,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:35:10,576 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:35:10,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:35:10,576 INFO L85 PathProgramCache]: Analyzing trace with hash 560650151, now seen corresponding path program 1 times [2021-12-14 18:35:10,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:35:10,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766632938] [2021-12-14 18:35:10,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:35:10,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:35:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:35:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:35:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:35:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:35:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:35:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:35:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:35:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:35:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:35:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:35:10,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:35:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:35:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:10,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:35:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:35:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:35:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:35:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:35:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:35:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:35:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:35:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:35:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:35:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:35:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:35:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:35:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:35:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:35:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:35:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:35:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:35:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:35:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:35:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:35:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:35:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:35:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:35:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:35:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:35:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:35:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-14 18:35:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-14 18:35:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-14 18:35:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-14 18:35:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-14 18:35:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-14 18:35:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-12-14 18:35:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:35:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 18:35:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-14 18:35:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8650 trivial. 0 not checked. [2021-12-14 18:35:11,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:35:11,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766632938] [2021-12-14 18:35:11,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766632938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:35:11,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:35:11,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:35:11,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151849636] [2021-12-14 18:35:11,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:35:11,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:35:11,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:35:11,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:35:11,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:35:11,538 INFO L87 Difference]: Start difference. First operand 8935 states and 12511 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-14 18:35:16,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:35:19,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:35:19,196 INFO L93 Difference]: Finished difference Result 22632 states and 31619 transitions. [2021-12-14 18:35:19,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:35:19,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 548 [2021-12-14 18:35:19,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:35:19,282 INFO L225 Difference]: With dead ends: 22632 [2021-12-14 18:35:19,282 INFO L226 Difference]: Without dead ends: 13790 [2021-12-14 18:35:19,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 190 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 18:35:19,323 INFO L933 BasicCegarLoop]: 4918 mSDtfsCounter, 4172 mSDsluCounter, 5787 mSDsCounter, 0 mSdLazyCounter, 2351 mSolverCounterSat, 1948 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4773 SdHoareTripleChecker+Valid, 10705 SdHoareTripleChecker+Invalid, 4300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1948 IncrementalHoareTripleChecker+Valid, 2351 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:35:19,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4773 Valid, 10705 Invalid, 4300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1948 Valid, 2351 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2021-12-14 18:35:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13790 states. [2021-12-14 18:35:19,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13790 to 13520. [2021-12-14 18:35:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13520 states, 9093 states have (on average 1.2620697239634884) internal successors, (11476), 9308 states have internal predecessors, (11476), 3651 states have call successors, (3651), 774 states have call predecessors, (3651), 773 states have return successors, (3663), 3611 states have call predecessors, (3663), 3647 states have call successors, (3663) [2021-12-14 18:35:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13520 states to 13520 states and 18790 transitions. [2021-12-14 18:35:19,842 INFO L78 Accepts]: Start accepts. Automaton has 13520 states and 18790 transitions. Word has length 548 [2021-12-14 18:35:19,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:35:19,844 INFO L470 AbstractCegarLoop]: Abstraction has 13520 states and 18790 transitions. [2021-12-14 18:35:19,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-12-14 18:35:19,845 INFO L276 IsEmpty]: Start isEmpty. Operand 13520 states and 18790 transitions. [2021-12-14 18:35:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-12-14 18:35:19,856 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:35:19,856 INFO L514 BasicCegarLoop]: trace histogram [45, 45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:19,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:35:19,857 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:35:19,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:35:19,858 INFO L85 PathProgramCache]: Analyzing trace with hash 672112387, now seen corresponding path program 1 times [2021-12-14 18:35:19,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:35:19,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788802898] [2021-12-14 18:35:19,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:35:19,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:35:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:35:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:35:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:35:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:35:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:35:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:35:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:35:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:35:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:35:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:35:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:35:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:35:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:35:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:35:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:35:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:35:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:35:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:35:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:35:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:35:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:35:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:35:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:35:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:35:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:35:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:35:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:35:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:35:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:35:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:35:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:35:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:35:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:35:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:35:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:35:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:35:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-14 18:35:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-14 18:35:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:35:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-14 18:35:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-14 18:35:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-14 18:35:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-14 18:35:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-14 18:35:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:35:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-14 18:35:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-14 18:35:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-14 18:35:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-14 18:35:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-14 18:35:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-12-14 18:35:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:35:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-14 18:35:20,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:35:20,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788802898] [2021-12-14 18:35:20,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788802898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:35:20,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:35:20,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:35:20,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725864217] [2021-12-14 18:35:20,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:35:20,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:35:20,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:35:20,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:35:20,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:35:20,767 INFO L87 Difference]: Start difference. First operand 13520 states and 18790 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51)