./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.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 84c3cd9f2d964ef70410e7a0d1394c510500a590ba49afbae062bd2d798f4c53 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 13:36:35,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 13:36:35,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 13:36:35,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 13:36:35,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 13:36:35,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 13:36:35,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 13:36:35,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 13:36:35,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 13:36:35,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 13:36:35,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 13:36:35,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 13:36:35,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 13:36:35,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 13:36:35,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 13:36:35,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 13:36:35,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 13:36:35,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 13:36:35,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 13:36:35,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 13:36:35,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 13:36:35,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 13:36:35,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 13:36:35,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 13:36:35,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 13:36:35,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 13:36:35,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 13:36:35,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 13:36:35,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 13:36:35,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 13:36:35,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 13:36:35,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 13:36:35,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 13:36:35,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 13:36:35,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 13:36:35,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 13:36:35,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 13:36:35,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 13:36:35,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 13:36:35,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 13:36:35,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 13:36:35,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 13:36:35,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 13:36:35,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 13:36:35,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 13:36:35,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 13:36:35,313 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 13:36:35,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 13:36:35,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 13:36:35,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 13:36:35,314 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 13:36:35,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 13:36:35,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 13:36:35,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 13:36:35,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 13:36:35,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 13:36:35,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 13:36:35,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 13:36:35,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 13:36:35,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 13:36:35,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 13:36:35,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 13:36:35,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 13:36:35,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:36:35,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 13:36:35,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 13:36:35,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 13:36:35,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 13:36:35,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 13:36:35,317 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 13:36:35,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 13:36:35,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 13:36:35,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 13:36:35,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84c3cd9f2d964ef70410e7a0d1394c510500a590ba49afbae062bd2d798f4c53 [2021-12-18 13:36:35,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 13:36:35,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 13:36:35,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 13:36:35,492 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 13:36:35,493 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 13:36:35,493 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-18 13:36:35,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8f14e1c/5ecd000506ad437f8ea1e35db0e110fc/FLAGe0163f053 [2021-12-18 13:36:36,154 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 13:36:36,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-18 13:36:36,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8f14e1c/5ecd000506ad437f8ea1e35db0e110fc/FLAGe0163f053 [2021-12-18 13:36:36,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd8f14e1c/5ecd000506ad437f8ea1e35db0e110fc [2021-12-18 13:36:36,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 13:36:36,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 13:36:36,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 13:36:36,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 13:36:36,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 13:36:36,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:36:36" (1/1) ... [2021-12-18 13:36:36,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@212c574a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:36, skipping insertion in model container [2021-12-18 13:36:36,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:36:36" (1/1) ... [2021-12-18 13:36:36,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 13:36:36,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 13:36:38,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[497885,497898] [2021-12-18 13:36:38,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498051,498064] [2021-12-18 13:36:38,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498215,498228] [2021-12-18 13:36:38,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498380,498393] [2021-12-18 13:36:38,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:36:38,815 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 13:36:39,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[497885,497898] [2021-12-18 13:36:39,295 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498051,498064] [2021-12-18 13:36:39,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498215,498228] [2021-12-18 13:36:39,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i[498380,498393] [2021-12-18 13:36:39,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:36:39,424 INFO L208 MainTranslator]: Completed translation [2021-12-18 13:36:39,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39 WrapperNode [2021-12-18 13:36:39,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 13:36:39,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 13:36:39,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 13:36:39,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 13:36:39,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:39,556 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:39,780 INFO L137 Inliner]: procedures = 447, calls = 6502, calls flagged for inlining = 237, calls inlined = 218, statements flattened = 11805 [2021-12-18 13:36:39,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 13:36:39,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 13:36:39,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 13:36:39,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 13:36:39,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:39,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:39,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:39,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:40,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:40,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:40,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:40,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 13:36:40,346 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 13:36:40,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 13:36:40,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 13:36:40,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (1/1) ... [2021-12-18 13:36:40,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:36:40,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 13:36:40,383 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) [2021-12-18 13:36:40,442 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 [2021-12-18 13:36:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2021-12-18 13:36:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2021-12-18 13:36:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2021-12-18 13:36:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2021-12-18 13:36:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2021-12-18 13:36:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2021-12-18 13:36:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 13:36:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 13:36:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2021-12-18 13:36:40,458 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2021-12-18 13:36:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 13:36:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 13:36:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2021-12-18 13:36:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2021-12-18 13:36:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2021-12-18 13:36:40,459 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2021-12-18 13:36:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2021-12-18 13:36:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2021-12-18 13:36:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 13:36:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 13:36:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2021-12-18 13:36:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2021-12-18 13:36:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2021-12-18 13:36:40,460 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2021-12-18 13:36:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2021-12-18 13:36:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2021-12-18 13:36:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2021-12-18 13:36:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2021-12-18 13:36:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2021-12-18 13:36:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2021-12-18 13:36:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 13:36:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 13:36:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-12-18 13:36:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2021-12-18 13:36:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2021-12-18 13:36:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2021-12-18 13:36:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2021-12-18 13:36:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2021-12-18 13:36:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2021-12-18 13:36:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2021-12-18 13:36:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2021-12-18 13:36:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2021-12-18 13:36:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2021-12-18 13:36:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2021-12-18 13:36:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 13:36:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 13:36:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-12-18 13:36:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-12-18 13:36:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 13:36:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 13:36:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2021-12-18 13:36:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2021-12-18 13:36:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-12-18 13:36:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-12-18 13:36:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-18 13:36:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-18 13:36:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 13:36:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 13:36:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2021-12-18 13:36:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2021-12-18 13:36:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 13:36:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-18 13:36:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 13:36:40,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 13:36:40,467 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-12-18 13:36:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-12-18 13:36:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 13:36:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2021-12-18 13:36:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2021-12-18 13:36:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2021-12-18 13:36:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2021-12-18 13:36:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2021-12-18 13:36:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2021-12-18 13:36:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-18 13:36:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-18 13:36:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 13:36:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 13:36:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2021-12-18 13:36:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2021-12-18 13:36:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_video_device [2021-12-18 13:36:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_video_device [2021-12-18 13:36:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-12-18 13:36:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-12-18 13:36:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 13:36:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 13:36:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 13:36:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 13:36:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2021-12-18 13:36:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2021-12-18 13:36:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2021-12-18 13:36:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2021-12-18 13:36:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 13:36:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2021-12-18 13:36:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2021-12-18 13:36:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 13:36:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 13:36:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 13:36:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2021-12-18 13:36:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2021-12-18 13:36:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 13:36:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 13:36:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2021-12-18 13:36:40,473 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2021-12-18 13:36:40,473 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2021-12-18 13:36:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2021-12-18 13:36:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2021-12-18 13:36:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2021-12-18 13:36:40,474 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2021-12-18 13:36:40,474 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2021-12-18 13:36:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 13:36:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 13:36:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2021-12-18 13:36:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2021-12-18 13:36:40,477 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2021-12-18 13:36:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2021-12-18 13:36:40,478 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-12-18 13:36:40,478 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2021-12-18 13:36:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2021-12-18 13:36:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2021-12-18 13:36:40,479 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2021-12-18 13:36:40,479 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2021-12-18 13:36:40,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 13:36:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 13:36:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 13:36:40,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-18 13:36:40,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-18 13:36:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-18 13:36:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-18 13:36:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-18 13:36:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-18 13:36:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 13:36:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 13:36:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2021-12-18 13:36:40,485 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2021-12-18 13:36:40,485 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2021-12-18 13:36:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2021-12-18 13:36:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 13:36:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2021-12-18 13:36:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2021-12-18 13:36:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 13:36:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 13:36:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 13:36:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 13:36:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:36:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:36:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2021-12-18 13:36:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2021-12-18 13:36:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_video_device [2021-12-18 13:36:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_video_device [2021-12-18 13:36:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2021-12-18 13:36:40,487 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2021-12-18 13:36:40,487 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 13:36:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 13:36:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2021-12-18 13:36:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2021-12-18 13:36:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2021-12-18 13:36:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2021-12-18 13:36:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2021-12-18 13:36:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2021-12-18 13:36:40,488 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2021-12-18 13:36:40,488 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2021-12-18 13:36:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2021-12-18 13:36:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2021-12-18 13:36:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-18 13:36:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-18 13:36:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 13:36:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 13:36:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-12-18 13:36:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2021-12-18 13:36:40,489 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2021-12-18 13:36:40,489 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2021-12-18 13:36:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 13:36:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 13:36:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2021-12-18 13:36:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2021-12-18 13:36:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2021-12-18 13:36:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2021-12-18 13:36:40,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 13:36:40,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 13:36:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2021-12-18 13:36:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2021-12-18 13:36:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 13:36:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 13:36:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE [2021-12-18 13:36:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE [2021-12-18 13:36:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2021-12-18 13:36:40,491 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2021-12-18 13:36:40,491 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE [2021-12-18 13:36:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE [2021-12-18 13:36:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2021-12-18 13:36:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2021-12-18 13:36:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2021-12-18 13:36:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2021-12-18 13:36:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 13:36:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 13:36:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2021-12-18 13:36:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2021-12-18 13:36:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-18 13:36:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-18 13:36:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 13:36:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 13:36:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 13:36:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 13:36:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 13:36:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 13:36:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2021-12-18 13:36:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2021-12-18 13:36:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 13:36:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 13:36:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 13:36:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-12-18 13:36:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-12-18 13:36:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 13:36:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 13:36:40,494 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 13:36:40,494 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 13:36:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 13:36:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 13:36:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 13:36:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 13:36:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2021-12-18 13:36:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2021-12-18 13:36:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 13:36:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 13:36:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-12-18 13:36:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-12-18 13:36:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 13:36:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-18 13:36:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2021-12-18 13:36:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2021-12-18 13:36:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2021-12-18 13:36:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2021-12-18 13:36:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2021-12-18 13:36:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2021-12-18 13:36:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 13:36:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 13:36:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 13:36:40,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-18 13:36:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2021-12-18 13:36:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2021-12-18 13:36:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 13:36:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 13:36:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 13:36:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2021-12-18 13:36:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2021-12-18 13:36:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2021-12-18 13:36:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2021-12-18 13:36:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2021-12-18 13:36:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2021-12-18 13:36:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2021-12-18 13:36:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2021-12-18 13:36:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2021-12-18 13:36:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2021-12-18 13:36:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_video_device [2021-12-18 13:36:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_video_device [2021-12-18 13:36:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 13:36:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 13:36:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2021-12-18 13:36:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2021-12-18 13:36:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 13:36:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 13:36:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 13:36:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 13:36:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2021-12-18 13:36:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2021-12-18 13:36:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2021-12-18 13:36:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2021-12-18 13:36:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 13:36:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 13:36:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 13:36:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 13:36:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2021-12-18 13:36:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2021-12-18 13:36:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-18 13:36:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-18 13:36:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 13:36:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 13:36:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 13:36:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 13:36:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 13:36:41,500 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 13:36:41,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 13:36:41,659 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 13:37:46,456 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 13:37:46,514 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 13:37:46,537 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 13:37:46,537 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 13:37:46,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:37:46 BoogieIcfgContainer [2021-12-18 13:37:46,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 13:37:46,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 13:37:46,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 13:37:46,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 13:37:46,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:36:36" (1/3) ... [2021-12-18 13:37:46,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ca67e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:37:46, skipping insertion in model container [2021-12-18 13:37:46,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:36:39" (2/3) ... [2021-12-18 13:37:46,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ca67e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:37:46, skipping insertion in model container [2021-12-18 13:37:46,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:37:46" (3/3) ... [2021-12-18 13:37:46,546 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-common-saa7146-saa7146_vv.cil.i [2021-12-18 13:37:46,550 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 13:37:46,550 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-18 13:37:46,588 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 13:37:46,592 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 [2021-12-18 13:37:46,593 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-18 13:37:46,641 INFO L276 IsEmpty]: Start isEmpty. Operand has 3280 states, 2373 states have (on average 1.3463969658659924) internal successors, (3195), 2390 states have internal predecessors, (3195), 772 states have call successors, (772), 133 states have call predecessors, (772), 132 states have return successors, (763), 756 states have call predecessors, (763), 763 states have call successors, (763) [2021-12-18 13:37:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2021-12-18 13:37:46,668 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:37:46,669 INFO L514 BasicCegarLoop]: trace histogram [44, 44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:37:46,670 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)] === [2021-12-18 13:37:46,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:37:46,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1580515086, now seen corresponding path program 1 times [2021-12-18 13:37:46,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:37:46,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990752017] [2021-12-18 13:37:46,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:37:46,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:37:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:37:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:37:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:37:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:37:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:37:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:37:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:37:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:37:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:37:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:37:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:37:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:37:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:37:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:37:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:37:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:37:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:37:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:37:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:37:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:37:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:37:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:37:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:37:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:37:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:37:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:37:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:37:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:37:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:37:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:37:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:37:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:37:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:37:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:37:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:37:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:37:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:37:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:37:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:37:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:37:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:37:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:37:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:37:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:37:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:37:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2021-12-18 13:37:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:37:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8256 trivial. 0 not checked. [2021-12-18 13:37:48,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:37:48,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990752017] [2021-12-18 13:37:48,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990752017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:37:48,302 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:37:48,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:37:48,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347993139] [2021-12-18 13:37:48,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:37:48,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:37:48,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:37:48,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:37:48,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:37:48,330 INFO L87 Difference]: Start difference. First operand has 3280 states, 2373 states have (on average 1.3463969658659924) internal successors, (3195), 2390 states have internal predecessors, (3195), 772 states have call successors, (772), 133 states have call predecessors, (772), 132 states have return successors, (763), 756 states have call predecessors, (763), 763 states have call successors, (763) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-18 13:37:58,436 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 [] [2021-12-18 13:38:00,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:38:02,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:38:02,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:38:02,873 INFO L93 Difference]: Finished difference Result 9737 states and 14383 transitions. [2021-12-18 13:38:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:38:02,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 496 [2021-12-18 13:38:02,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:38:02,943 INFO L225 Difference]: With dead ends: 9737 [2021-12-18 13:38:02,943 INFO L226 Difference]: Without dead ends: 6525 [2021-12-18 13:38:02,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:38:02,971 INFO L933 BasicCegarLoop]: 5210 mSDtfsCounter, 5123 mSDsluCounter, 6870 mSDsCounter, 0 mSdLazyCounter, 2094 mSolverCounterSat, 1836 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5613 SdHoareTripleChecker+Valid, 12080 SdHoareTripleChecker+Invalid, 3933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1836 IncrementalHoareTripleChecker+Valid, 2094 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:38:02,972 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5613 Valid, 12080 Invalid, 3933 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1836 Valid, 2094 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2021-12-18 13:38:02,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6525 states. [2021-12-18 13:38:03,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6525 to 6333. [2021-12-18 13:38:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6333 states, 4613 states have (on average 1.3368740515933233) internal successors, (6167), 4646 states have internal predecessors, (6167), 1457 states have call successors, (1457), 261 states have call predecessors, (1457), 260 states have return successors, (1453), 1439 states have call predecessors, (1453), 1453 states have call successors, (1453) [2021-12-18 13:38:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6333 states to 6333 states and 9077 transitions. [2021-12-18 13:38:03,326 INFO L78 Accepts]: Start accepts. Automaton has 6333 states and 9077 transitions. Word has length 496 [2021-12-18 13:38:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:38:03,329 INFO L470 AbstractCegarLoop]: Abstraction has 6333 states and 9077 transitions. [2021-12-18 13:38:03,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-12-18 13:38:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 6333 states and 9077 transitions. [2021-12-18 13:38:03,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-12-18 13:38:03,342 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:38:03,343 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] [2021-12-18 13:38:03,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 13:38:03,343 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)] === [2021-12-18 13:38:03,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:38:03,344 INFO L85 PathProgramCache]: Analyzing trace with hash -2039324540, now seen corresponding path program 1 times [2021-12-18 13:38:03,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:38:03,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233178583] [2021-12-18 13:38:03,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:38:03,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:38:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:38:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:38:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:38:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:38:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:38:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:38:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:38:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:38:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:38:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:38:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:38:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:38:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:38:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:38:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:38:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:38:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:38:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:38:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:38:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:38:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:38:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:38:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:38:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:38:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:38:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:38:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:38:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:38:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:38:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:38:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:38:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:38:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:38:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:38:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:38:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:38:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:38:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:38:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:38:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:38:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:38:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:38:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:38:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:38:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 13:38:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:04,533 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-18 13:38:04,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:38:04,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233178583] [2021-12-18 13:38:04,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233178583] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:38:04,536 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:38:04,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:38:04,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912637387] [2021-12-18 13:38:04,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:38:04,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:38:04,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:38:04,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:38:04,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:38:04,539 INFO L87 Difference]: Start difference. First operand 6333 states and 9077 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 13:38:15,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:38:17,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:38:19,327 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 [] [2021-12-18 13:38:19,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:38:19,616 INFO L93 Difference]: Finished difference Result 15781 states and 22666 transitions. [2021-12-18 13:38:19,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:38:19,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 530 [2021-12-18 13:38:19,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:38:19,663 INFO L225 Difference]: With dead ends: 15781 [2021-12-18 13:38:19,664 INFO L226 Difference]: Without dead ends: 9539 [2021-12-18 13:38:19,683 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 [2021-12-18 13:38:19,685 INFO L933 BasicCegarLoop]: 5134 mSDtfsCounter, 4998 mSDsluCounter, 6804 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 1814 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5482 SdHoareTripleChecker+Valid, 11938 SdHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1814 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2021-12-18 13:38:19,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5482 Valid, 11938 Invalid, 3899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1814 Valid, 2082 Invalid, 3 Unknown, 0 Unchecked, 14.6s Time] [2021-12-18 13:38:19,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9539 states. [2021-12-18 13:38:19,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9539 to 9230. [2021-12-18 13:38:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9230 states, 6768 states have (on average 1.338209219858156) internal successors, (9057), 6816 states have internal predecessors, (9057), 2069 states have call successors, (2069), 391 states have call predecessors, (2069), 390 states have return successors, (2065), 2041 states have call predecessors, (2065), 2065 states have call successors, (2065) [2021-12-18 13:38:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9230 states to 9230 states and 13191 transitions. [2021-12-18 13:38:19,965 INFO L78 Accepts]: Start accepts. Automaton has 9230 states and 13191 transitions. Word has length 530 [2021-12-18 13:38:19,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:38:19,966 INFO L470 AbstractCegarLoop]: Abstraction has 9230 states and 13191 transitions. [2021-12-18 13:38:19,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 13:38:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 9230 states and 13191 transitions. [2021-12-18 13:38:19,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2021-12-18 13:38:19,976 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:38:19,977 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] [2021-12-18 13:38:19,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 13:38:19,979 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)] === [2021-12-18 13:38:19,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:38:19,979 INFO L85 PathProgramCache]: Analyzing trace with hash 20569976, now seen corresponding path program 1 times [2021-12-18 13:38:19,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:38:19,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313172021] [2021-12-18 13:38:19,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:38:19,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:38:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:38:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:38:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:38:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:38:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:38:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:38:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:38:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:38:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:38:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:38:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:38:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:38:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:38:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:38:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:38:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:38:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:38:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:38:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:38:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:38:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:38:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:38:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:38:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:38:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:38:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:38:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:38:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:38:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:38:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:38:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:38:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:38:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:38:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:38:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:38:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:38:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:38:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:38:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:38:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:38:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:38:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:38:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:38:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:38:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-18 13:38:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:20,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-18 13:38:21,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:38:21,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313172021] [2021-12-18 13:38:21,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313172021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:38:21,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:38:21,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:38:21,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946828760] [2021-12-18 13:38:21,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:38:21,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:38:21,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:38:21,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:38:21,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:38:21,005 INFO L87 Difference]: Start difference. First operand 9230 states and 13191 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 13:38:31,015 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 [] [2021-12-18 13:38:33,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:38:35,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:38:35,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:38:35,412 INFO L93 Difference]: Finished difference Result 24202 states and 34646 transitions. [2021-12-18 13:38:35,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:38:35,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 531 [2021-12-18 13:38:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:38:35,477 INFO L225 Difference]: With dead ends: 24202 [2021-12-18 13:38:35,478 INFO L226 Difference]: Without dead ends: 15063 [2021-12-18 13:38:35,509 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 [2021-12-18 13:38:35,510 INFO L933 BasicCegarLoop]: 5664 mSDtfsCounter, 4899 mSDsluCounter, 7113 mSDsCounter, 0 mSdLazyCounter, 2121 mSolverCounterSat, 1703 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5386 SdHoareTripleChecker+Valid, 12777 SdHoareTripleChecker+Invalid, 3827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1703 IncrementalHoareTripleChecker+Valid, 2121 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-18 13:38:35,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5386 Valid, 12777 Invalid, 3827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1703 Valid, 2121 Invalid, 3 Unknown, 0 Unchecked, 13.8s Time] [2021-12-18 13:38:35,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15063 states. [2021-12-18 13:38:35,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15063 to 14572. [2021-12-18 13:38:35,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14572 states, 10741 states have (on average 1.3402848896750768) internal successors, (14396), 10819 states have internal predecessors, (14396), 3198 states have call successors, (3198), 631 states have call predecessors, (3198), 630 states have return successors, (3194), 3150 states have call predecessors, (3194), 3194 states have call successors, (3194) [2021-12-18 13:38:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14572 states to 14572 states and 20788 transitions. [2021-12-18 13:38:35,939 INFO L78 Accepts]: Start accepts. Automaton has 14572 states and 20788 transitions. Word has length 531 [2021-12-18 13:38:35,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:38:35,941 INFO L470 AbstractCegarLoop]: Abstraction has 14572 states and 20788 transitions. [2021-12-18 13:38:35,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 13:38:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 14572 states and 20788 transitions. [2021-12-18 13:38:35,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2021-12-18 13:38:35,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:38:35,950 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] [2021-12-18 13:38:35,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 13:38:35,950 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)] === [2021-12-18 13:38:35,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:38:35,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1173626096, now seen corresponding path program 1 times [2021-12-18 13:38:35,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:38:35,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84021838] [2021-12-18 13:38:35,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:38:35,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:38:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:38:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:38:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:38:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:38:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:38:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:38:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:38:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:38:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:38:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:38:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:38:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:38:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:38:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:38:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:38:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:38:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:38:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:38:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:38:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:38:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:38:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:38:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:38:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:38:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:38:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:38:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:38:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:38:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:38:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:38:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:38:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:38:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:38:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:38:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:38:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:38:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:38:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:38:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:38:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:38:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:38:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:38:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:38:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:38:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-18 13:38:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:36,979 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-18 13:38:36,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:38:36,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84021838] [2021-12-18 13:38:36,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84021838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:38:36,980 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:38:36,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:38:36,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518936479] [2021-12-18 13:38:36,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:38:36,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:38:36,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:38:36,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:38:36,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:38:36,982 INFO L87 Difference]: Start difference. First operand 14572 states and 20788 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 13:38:46,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:38:48,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:38:50,617 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 [] [2021-12-18 13:38:50,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:38:50,959 INFO L93 Difference]: Finished difference Result 41147 states and 58799 transitions. [2021-12-18 13:38:50,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:38:50,961 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 529 [2021-12-18 13:38:50,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:38:51,098 INFO L225 Difference]: With dead ends: 41147 [2021-12-18 13:38:51,098 INFO L226 Difference]: Without dead ends: 26666 [2021-12-18 13:38:51,156 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 [2021-12-18 13:38:51,158 INFO L933 BasicCegarLoop]: 5257 mSDtfsCounter, 5055 mSDsluCounter, 6896 mSDsCounter, 0 mSdLazyCounter, 2073 mSolverCounterSat, 1819 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5546 SdHoareTripleChecker+Valid, 12153 SdHoareTripleChecker+Invalid, 3895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1819 IncrementalHoareTripleChecker+Valid, 2073 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2021-12-18 13:38:51,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5546 Valid, 12153 Invalid, 3895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1819 Valid, 2073 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2021-12-18 13:38:51,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26666 states. [2021-12-18 13:38:52,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26666 to 25877. [2021-12-18 13:38:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25877 states, 19113 states have (on average 1.3401873070684873) internal successors, (25615), 19261 states have internal predecessors, (25615), 5635 states have call successors, (5635), 1127 states have call predecessors, (5635), 1126 states have return successors, (5631), 5541 states have call predecessors, (5631), 5631 states have call successors, (5631) [2021-12-18 13:38:52,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25877 states to 25877 states and 36881 transitions. [2021-12-18 13:38:52,379 INFO L78 Accepts]: Start accepts. Automaton has 25877 states and 36881 transitions. Word has length 529 [2021-12-18 13:38:52,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:38:52,380 INFO L470 AbstractCegarLoop]: Abstraction has 25877 states and 36881 transitions. [2021-12-18 13:38:52,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 13:38:52,380 INFO L276 IsEmpty]: Start isEmpty. Operand 25877 states and 36881 transitions. [2021-12-18 13:38:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2021-12-18 13:38:52,390 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:38:52,391 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:38:52,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 13:38:52,391 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-12-18 13:38:52,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:38:52,392 INFO L85 PathProgramCache]: Analyzing trace with hash -863963281, now seen corresponding path program 1 times [2021-12-18 13:38:52,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:38:52,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767697031] [2021-12-18 13:38:52,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:38:52,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:38:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:38:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:38:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:38:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:38:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:38:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:38:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:38:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:38:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:38:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:38:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:38:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:38:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:38:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:38:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:38:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:38:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:38:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:38:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:38:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:38:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:38:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:38:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:38:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:38:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:38:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:38:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:38:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:38:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:38:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:38:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:38:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:38:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:38:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:38:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:38:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:38:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:38:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:38:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:38:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:38:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:38:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:38:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:38:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:38:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 13:38:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:38:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 13:38:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 13:38:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 13:38:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:38:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 8528 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8523 trivial. 0 not checked. [2021-12-18 13:38:53,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:38:53,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767697031] [2021-12-18 13:38:53,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767697031] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:38:53,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:38:53,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:38:53,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960551983] [2021-12-18 13:38:53,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:38:53,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:38:53,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:38:53,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:38:53,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:38:53,376 INFO L87 Difference]: Start difference. First operand 25877 states and 36881 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-18 13:39:02,830 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 [] [2021-12-18 13:39:04,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:39:06,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:39:07,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:39:07,527 INFO L93 Difference]: Finished difference Result 73561 states and 105104 transitions. [2021-12-18 13:39:07,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:39:07,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 540 [2021-12-18 13:39:07,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:39:07,815 INFO L225 Difference]: With dead ends: 73561 [2021-12-18 13:39:07,815 INFO L226 Difference]: Without dead ends: 50195 [2021-12-18 13:39:07,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:39:07,875 INFO L933 BasicCegarLoop]: 8729 mSDtfsCounter, 4503 mSDsluCounter, 9056 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 1148 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4993 SdHoareTripleChecker+Valid, 17785 SdHoareTripleChecker+Invalid, 3456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1148 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2021-12-18 13:39:07,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4993 Valid, 17785 Invalid, 3456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1148 Valid, 2305 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2021-12-18 13:39:07,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50195 states. [2021-12-18 13:39:09,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50195 to 48730. [2021-12-18 13:39:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48730 states, 36019 states have (on average 1.3399872289624921) internal successors, (48265), 36271 states have internal predecessors, (48265), 10589 states have call successors, (10589), 2120 states have call predecessors, (10589), 2119 states have return successors, (10585), 10439 states have call predecessors, (10585), 10585 states have call successors, (10585) [2021-12-18 13:39:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48730 states to 48730 states and 69439 transitions. [2021-12-18 13:39:09,461 INFO L78 Accepts]: Start accepts. Automaton has 48730 states and 69439 transitions. Word has length 540 [2021-12-18 13:39:09,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:39:09,462 INFO L470 AbstractCegarLoop]: Abstraction has 48730 states and 69439 transitions. [2021-12-18 13:39:09,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-18 13:39:09,462 INFO L276 IsEmpty]: Start isEmpty. Operand 48730 states and 69439 transitions. [2021-12-18 13:39:09,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2021-12-18 13:39:09,469 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:39:09,469 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:39:09,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 13:39:09,470 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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)] === [2021-12-18 13:39:09,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:39:09,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1681611731, now seen corresponding path program 1 times [2021-12-18 13:39:09,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:39:09,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191280956] [2021-12-18 13:39:09,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:39:09,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:39:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:39:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:39:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:39:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:39:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:39:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:39:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:39:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:39:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:39:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:39:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:39:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:39:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:39:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:39:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:39:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:39:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:39:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:39:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:39:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:39:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:39:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:39:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:39:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:39:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:39:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:39:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:39:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:39:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:39:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:39:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:39:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:39:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:39:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:39:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:39:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:39:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:39:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:39:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:39:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:39:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:39:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:39:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:39:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:39:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 13:39:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 13:39:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 13:39:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 13:39:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 8528 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8523 trivial. 0 not checked. [2021-12-18 13:39:10,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:39:10,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191280956] [2021-12-18 13:39:10,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191280956] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:39:10,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:39:10,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:39:10,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733502279] [2021-12-18 13:39:10,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:39:10,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:39:10,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:39:10,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:39:10,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:39:10,605 INFO L87 Difference]: Start difference. First operand 48730 states and 69439 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-18 13:39:12,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:39:21,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:39:23,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:39:25,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:39:26,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:39:26,334 INFO L93 Difference]: Finished difference Result 119880 states and 171159 transitions. [2021-12-18 13:39:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:39:26,335 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 540 [2021-12-18 13:39:26,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:39:26,874 INFO L225 Difference]: With dead ends: 119880 [2021-12-18 13:39:26,875 INFO L226 Difference]: Without dead ends: 73661 [2021-12-18 13:39:26,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:39:26,999 INFO L933 BasicCegarLoop]: 8692 mSDtfsCounter, 4478 mSDsluCounter, 9027 mSDsCounter, 0 mSdLazyCounter, 2311 mSolverCounterSat, 1170 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4968 SdHoareTripleChecker+Valid, 17719 SdHoareTripleChecker+Invalid, 3484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1170 IncrementalHoareTripleChecker+Valid, 2311 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:39:26,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4968 Valid, 17719 Invalid, 3484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1170 Valid, 2311 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2021-12-18 13:39:27,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73661 states. [2021-12-18 13:39:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73661 to 71439. [2021-12-18 13:39:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71439 states, 52789 states have (on average 1.3394267745174184) internal successors, (70707), 53145 states have internal predecessors, (70707), 15543 states have call successors, (15543), 3105 states have call predecessors, (15543), 3104 states have return successors, (15539), 15337 states have call predecessors, (15539), 15539 states have call successors, (15539) [2021-12-18 13:39:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71439 states to 71439 states and 101789 transitions. [2021-12-18 13:39:29,848 INFO L78 Accepts]: Start accepts. Automaton has 71439 states and 101789 transitions. Word has length 540 [2021-12-18 13:39:29,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:39:29,849 INFO L470 AbstractCegarLoop]: Abstraction has 71439 states and 101789 transitions. [2021-12-18 13:39:29,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-12-18 13:39:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 71439 states and 101789 transitions. [2021-12-18 13:39:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2021-12-18 13:39:29,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:39:29,859 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, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:39:29,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 13:39:29,859 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-12-18 13:39:29,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:39:29,860 INFO L85 PathProgramCache]: Analyzing trace with hash -2021368972, now seen corresponding path program 1 times [2021-12-18 13:39:29,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:39:29,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298608817] [2021-12-18 13:39:29,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:39:29,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:39:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:39:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:39:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:39:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:39:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:39:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:39:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:39:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:39:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:39:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:39:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:39:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:39:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:39:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:39:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:39:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:39:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:39:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:39:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:39:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:39:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:39:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:39:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:39:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:39:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:39:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:39:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:39:30,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:39:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:39:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:39:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:39:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:39:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:39:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:39:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:39:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:39:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:39:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:39:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:39:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:39:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:39:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:39:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:39:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:39:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-18 13:39:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2021-12-18 13:39:31,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:39:31,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298608817] [2021-12-18 13:39:31,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298608817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:39:31,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:39:31,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:39:31,056 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396867017] [2021-12-18 13:39:31,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:39:31,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:39:31,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:39:31,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:39:31,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:39:31,057 INFO L87 Difference]: Start difference. First operand 71439 states and 101789 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 13:39:42,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:39:44,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:39:47,028 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 [] [2021-12-18 13:39:47,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:39:47,677 INFO L93 Difference]: Finished difference Result 205039 states and 292064 transitions. [2021-12-18 13:39:47,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:39:47,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 555 [2021-12-18 13:39:47,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:39:48,508 INFO L225 Difference]: With dead ends: 205039 [2021-12-18 13:39:48,509 INFO L226 Difference]: Without dead ends: 133691 [2021-12-18 13:39:48,932 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 [2021-12-18 13:39:48,934 INFO L933 BasicCegarLoop]: 5328 mSDtfsCounter, 4678 mSDsluCounter, 6901 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 1741 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5154 SdHoareTripleChecker+Valid, 12229 SdHoareTripleChecker+Invalid, 3847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1741 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2021-12-18 13:39:48,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5154 Valid, 12229 Invalid, 3847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1741 Valid, 2103 Invalid, 3 Unknown, 0 Unchecked, 13.4s Time] [2021-12-18 13:39:49,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133691 states. [2021-12-18 13:39:52,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133691 to 129461. [2021-12-18 13:39:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129461 states, 95513 states have (on average 1.3385926523091098) internal successors, (127853), 96197 states have internal predecessors, (127853), 28028 states have call successors, (28028), 5918 states have call predecessors, (28028), 5917 states have return successors, (28024), 27630 states have call predecessors, (28024), 28024 states have call successors, (28024) [2021-12-18 13:39:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129461 states to 129461 states and 183905 transitions. [2021-12-18 13:39:53,781 INFO L78 Accepts]: Start accepts. Automaton has 129461 states and 183905 transitions. Word has length 555 [2021-12-18 13:39:53,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:39:53,782 INFO L470 AbstractCegarLoop]: Abstraction has 129461 states and 183905 transitions. [2021-12-18 13:39:53,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2021-12-18 13:39:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 129461 states and 183905 transitions. [2021-12-18 13:39:53,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2021-12-18 13:39:53,789 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:39:53,789 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:39:53,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 13:39:53,790 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-12-18 13:39:53,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:39:53,790 INFO L85 PathProgramCache]: Analyzing trace with hash 239634627, now seen corresponding path program 1 times [2021-12-18 13:39:53,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:39:53,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438184097] [2021-12-18 13:39:53,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:39:53,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:39:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:39:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:39:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:39:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:39:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:39:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:39:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:39:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:39:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:39:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:39:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:39:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:39:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:39:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:39:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:39:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:39:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:39:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:39:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:39:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:39:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:39:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:39:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:39:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:39:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:39:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:39:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:39:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:39:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:39:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:39:54,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:39:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:39:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:39:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:39:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:39:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:39:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:39:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:39:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:39:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:39:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:39:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:39:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:39:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:39:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 13:39:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:39:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 13:39:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 13:39:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 13:39:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:39:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 8545 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8545 trivial. 0 not checked. [2021-12-18 13:39:54,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:39:54,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438184097] [2021-12-18 13:39:54,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438184097] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:39:54,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:39:54,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 13:39:54,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684852000] [2021-12-18 13:39:54,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:39:54,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 13:39:54,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:39:54,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 13:39:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 13:39:54,996 INFO L87 Difference]: Start difference. First operand 129461 states and 183905 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-18 13:40:07,023 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 [] [2021-12-18 13:40:09,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:11,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:13,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:15,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:17,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:17,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:40:17,746 INFO L93 Difference]: Finished difference Result 133656 states and 190245 transitions. [2021-12-18 13:40:17,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 13:40:17,747 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 553 [2021-12-18 13:40:17,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:40:18,516 INFO L225 Difference]: With dead ends: 133656 [2021-12-18 13:40:18,516 INFO L226 Difference]: Without dead ends: 133654 [2021-12-18 13:40:18,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 13:40:18,775 INFO L933 BasicCegarLoop]: 4516 mSDtfsCounter, 4612 mSDsluCounter, 10778 mSDsCounter, 0 mSdLazyCounter, 2067 mSolverCounterSat, 1124 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5025 SdHoareTripleChecker+Valid, 15294 SdHoareTripleChecker+Invalid, 3197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1124 IncrementalHoareTripleChecker+Valid, 2067 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2021-12-18 13:40:18,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5025 Valid, 15294 Invalid, 3197 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1124 Valid, 2067 Invalid, 6 Unknown, 0 Unchecked, 20.5s Time] [2021-12-18 13:40:18,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133654 states. [2021-12-18 13:40:22,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133654 to 129465. [2021-12-18 13:40:22,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129465 states, 95516 states have (on average 1.338582017672432) internal successors, (127856), 96200 states have internal predecessors, (127856), 28028 states have call successors, (28028), 5919 states have call predecessors, (28028), 5918 states have return successors, (28024), 27630 states have call predecessors, (28024), 28024 states have call successors, (28024) [2021-12-18 13:40:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129465 states to 129465 states and 183908 transitions. [2021-12-18 13:40:23,501 INFO L78 Accepts]: Start accepts. Automaton has 129465 states and 183908 transitions. Word has length 553 [2021-12-18 13:40:23,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:40:23,502 INFO L470 AbstractCegarLoop]: Abstraction has 129465 states and 183908 transitions. [2021-12-18 13:40:23,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2021-12-18 13:40:23,503 INFO L276 IsEmpty]: Start isEmpty. Operand 129465 states and 183908 transitions. [2021-12-18 13:40:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2021-12-18 13:40:23,510 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:40:23,510 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:40:23,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 13:40:23,511 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-12-18 13:40:23,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:40:23,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1383618856, now seen corresponding path program 1 times [2021-12-18 13:40:23,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:40:23,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290809403] [2021-12-18 13:40:23,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:40:23,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:40:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:40:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:40:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:40:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:40:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:40:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:40:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:40:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:40:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:40:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:40:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:40:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:40:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:40:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:40:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:40:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:40:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:40:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:40:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:40:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:40:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:40:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:40:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:40:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:40:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:40:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:40:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:40:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:40:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:40:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:40:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:40:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:40:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:40:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:40:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:40:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:40:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:40:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:40:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:40:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:40:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:40:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:24,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:40:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:40:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:40:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 13:40:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 13:40:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 13:40:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 13:40:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 13:40:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 8547 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8545 trivial. 0 not checked. [2021-12-18 13:40:25,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:40:25,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290809403] [2021-12-18 13:40:25,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290809403] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:40:25,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:40:25,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 13:40:25,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928657542] [2021-12-18 13:40:25,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:40:25,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 13:40:25,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:40:25,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 13:40:25,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 13:40:25,075 INFO L87 Difference]: Start difference. First operand 129465 states and 183908 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-18 13:40:35,547 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 [] [2021-12-18 13:40:37,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:39,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:41,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:43,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:45,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:40:46,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:40:46,494 INFO L93 Difference]: Finished difference Result 133660 states and 190248 transitions. [2021-12-18 13:40:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 13:40:46,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 558 [2021-12-18 13:40:46,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:40:47,283 INFO L225 Difference]: With dead ends: 133660 [2021-12-18 13:40:47,283 INFO L226 Difference]: Without dead ends: 133658 [2021-12-18 13:40:47,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 13:40:47,363 INFO L933 BasicCegarLoop]: 4536 mSDtfsCounter, 4591 mSDsluCounter, 10814 mSDsCounter, 0 mSdLazyCounter, 2070 mSolverCounterSat, 1118 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5002 SdHoareTripleChecker+Valid, 15350 SdHoareTripleChecker+Invalid, 3194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1118 IncrementalHoareTripleChecker+Valid, 2070 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:40:47,364 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5002 Valid, 15350 Invalid, 3194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1118 Valid, 2070 Invalid, 6 Unknown, 0 Unchecked, 18.9s Time] [2021-12-18 13:40:47,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133658 states. [2021-12-18 13:40:51,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133658 to 129469. [2021-12-18 13:40:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129469 states, 95519 states have (on average 1.3385713837037658) internal successors, (127859), 96203 states have internal predecessors, (127859), 28028 states have call successors, (28028), 5920 states have call predecessors, (28028), 5919 states have return successors, (28024), 27630 states have call predecessors, (28024), 28024 states have call successors, (28024) [2021-12-18 13:40:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129469 states to 129469 states and 183911 transitions. [2021-12-18 13:40:52,466 INFO L78 Accepts]: Start accepts. Automaton has 129469 states and 183911 transitions. Word has length 558 [2021-12-18 13:40:52,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:40:52,467 INFO L470 AbstractCegarLoop]: Abstraction has 129469 states and 183911 transitions. [2021-12-18 13:40:52,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2021-12-18 13:40:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 129469 states and 183911 transitions. [2021-12-18 13:40:52,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2021-12-18 13:40:52,475 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:40:52,476 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:40:52,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 13:40:52,476 INFO L402 AbstractCegarLoop]: === Iteration 10 === 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)] === [2021-12-18 13:40:52,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:40:52,476 INFO L85 PathProgramCache]: Analyzing trace with hash 318645667, now seen corresponding path program 1 times [2021-12-18 13:40:52,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:40:52,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973332126] [2021-12-18 13:40:52,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:40:52,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:40:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:40:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:40:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:40:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:40:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:40:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:40:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:40:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:40:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:40:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:40:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:40:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:40:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:40:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:40:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:40:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:40:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:40:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:40:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:40:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:40:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:40:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:40:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:40:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:40:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:40:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:40:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:40:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:40:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:40:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:40:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:40:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:40:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:40:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:40:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:40:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:40:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:40:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:40:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:40:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:40:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:40:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:40:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:40:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:40:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 13:40:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:40:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 13:40:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 13:40:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 13:40:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 13:40:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 13:40:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:40:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8553 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8549 trivial. 0 not checked. [2021-12-18 13:40:53,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:40:53,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973332126] [2021-12-18 13:40:53,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973332126] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:40:53,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:40:53,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 13:40:53,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668100301] [2021-12-18 13:40:53,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:40:53,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 13:40:53,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:40:53,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 13:40:53,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 13:40:53,916 INFO L87 Difference]: Start difference. First operand 129469 states and 183911 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-18 13:41:04,656 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 [] [2021-12-18 13:41:06,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:41:08,493 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:41:11,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:41:13,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:41:14,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:41:14,161 INFO L93 Difference]: Finished difference Result 133664 states and 190251 transitions. [2021-12-18 13:41:14,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 13:41:14,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 563 [2021-12-18 13:41:14,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:41:14,806 INFO L225 Difference]: With dead ends: 133664 [2021-12-18 13:41:14,807 INFO L226 Difference]: Without dead ends: 133662 [2021-12-18 13:41:14,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 13:41:14,886 INFO L933 BasicCegarLoop]: 4544 mSDtfsCounter, 4585 mSDsluCounter, 10831 mSDsCounter, 0 mSdLazyCounter, 2078 mSolverCounterSat, 1113 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4995 SdHoareTripleChecker+Valid, 15375 SdHoareTripleChecker+Invalid, 3195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1113 IncrementalHoareTripleChecker+Valid, 2078 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-12-18 13:41:14,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4995 Valid, 15375 Invalid, 3195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1113 Valid, 2078 Invalid, 4 Unknown, 0 Unchecked, 17.7s Time] [2021-12-18 13:41:14,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133662 states. [2021-12-18 13:41:18,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133662 to 129473. [2021-12-18 13:41:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129473 states, 95522 states have (on average 1.3385607504030486) internal successors, (127862), 96206 states have internal predecessors, (127862), 28028 states have call successors, (28028), 5921 states have call predecessors, (28028), 5920 states have return successors, (28024), 27630 states have call predecessors, (28024), 28024 states have call successors, (28024) [2021-12-18 13:41:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129473 states to 129473 states and 183914 transitions. [2021-12-18 13:41:20,047 INFO L78 Accepts]: Start accepts. Automaton has 129473 states and 183914 transitions. Word has length 563 [2021-12-18 13:41:20,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:41:20,048 INFO L470 AbstractCegarLoop]: Abstraction has 129473 states and 183914 transitions. [2021-12-18 13:41:20,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2021-12-18 13:41:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 129473 states and 183914 transitions. [2021-12-18 13:41:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2021-12-18 13:41:20,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:41:20,079 INFO L514 BasicCegarLoop]: trace histogram [46, 46, 43, 43, 43, 43, 43, 43, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:41:20,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 13:41:20,079 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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)] === [2021-12-18 13:41:20,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:41:20,080 INFO L85 PathProgramCache]: Analyzing trace with hash 74139000, now seen corresponding path program 1 times [2021-12-18 13:41:20,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:41:20,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818074025] [2021-12-18 13:41:20,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:41:20,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:41:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:41:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:41:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:41:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:41:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:41:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:41:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:41:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:41:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:41:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:41:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:41:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:41:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:41:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:41:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:41:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:41:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:41:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:41:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:41:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:41:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:41:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:41:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:41:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:41:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:41:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:41:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:41:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:41:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:41:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 13:41:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:41:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-18 13:41:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 13:41:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:41:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:20,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:41:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:41:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:41:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 13:41:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 13:41:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:41:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 13:41:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 13:41:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:41:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:41:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 13:41:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:41:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-18 13:41:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 13:41:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 13:41:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 13:41:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 13:41:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 13:41:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:41:21,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8563 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8557 trivial. 0 not checked. [2021-12-18 13:41:21,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:41:21,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818074025] [2021-12-18 13:41:21,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818074025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:41:21,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:41:21,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 13:41:21,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677588911] [2021-12-18 13:41:21,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:41:21,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 13:41:21,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:41:21,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 13:41:21,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-18 13:41:21,275 INFO L87 Difference]: Start difference. First operand 129473 states and 183914 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2021-12-18 13:41:25,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []