./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-usb-dvb-usb-dvb-usb-m920x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-usb-dvb-usb-dvb-usb-m920x.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 59473e3c2ae80c2e7996950da3475e9070fa07527cbe1064da7145ffd0ce24e6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:35:41,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:35:41,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:35:41,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:35:41,282 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:35:41,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:35:41,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:35:41,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:35:41,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:35:41,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:35:41,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:35:41,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:35:41,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:35:41,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:35:41,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:35:41,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:35:41,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:35:41,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:35:41,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:35:41,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:35:41,299 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:35:41,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:35:41,301 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:35:41,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:35:41,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:35:41,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:35:41,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:35:41,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:35:41,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:35:41,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:35:41,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:35:41,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:35:41,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:35:41,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:35:41,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:35:41,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:35:41,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:35:41,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:35:41,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:35:41,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:35:41,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:35:41,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:35:41,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:35:41,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:35:41,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:35:41,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:35:41,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:35:41,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:35:41,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:35:41,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:35:41,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:35:41,349 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:35:41,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:35:41,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:35:41,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:35:41,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:35:41,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:35:41,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:35:41,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:35:41,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:35:41,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:35:41,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:35:41,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:35:41,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:35:41,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:35:41,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:35:41,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:35:41,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:35:41,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:35:41,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:35:41,353 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:35:41,353 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:35:41,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:35:41,354 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59473e3c2ae80c2e7996950da3475e9070fa07527cbe1064da7145ffd0ce24e6 [2022-07-23 03:35:41,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:35:41,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:35:41,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:35:41,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:35:41,641 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:35:41,642 INFO L432 ainManager$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-usb-dvb-usb-dvb-usb-m920x.cil.i [2022-07-23 03:35:41,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7441e7d/cc011e4ad0bc4795b7b38c30135ad25b/FLAGac6909067 [2022-07-23 03:35:42,592 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:35:42,593 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-usb-dvb-usb-dvb-usb-m920x.cil.i [2022-07-23 03:35:42,639 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7441e7d/cc011e4ad0bc4795b7b38c30135ad25b/FLAGac6909067 [2022-07-23 03:35:42,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7441e7d/cc011e4ad0bc4795b7b38c30135ad25b [2022-07-23 03:35:42,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:35:42,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:35:42,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:35:42,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:35:42,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:35:42,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:35:42" (1/1) ... [2022-07-23 03:35:42,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63652157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:42, skipping insertion in model container [2022-07-23 03:35:42,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:35:42" (1/1) ... [2022-07-23 03:35:42,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:35:42,834 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:35:45,059 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-usb-dvb-usb-dvb-usb-m920x.cil.i[358872,358885] [2022-07-23 03:35:45,062 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-usb-dvb-usb-dvb-usb-m920x.cil.i[359038,359051] [2022-07-23 03:35:45,063 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-usb-dvb-usb-dvb-usb-m920x.cil.i[359202,359215] [2022-07-23 03:35:45,063 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-usb-dvb-usb-dvb-usb-m920x.cil.i[359367,359380] [2022-07-23 03:35:45,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:35:45,147 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:35:45,533 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-usb-dvb-usb-dvb-usb-m920x.cil.i[358872,358885] [2022-07-23 03:35:45,534 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-usb-dvb-usb-dvb-usb-m920x.cil.i[359038,359051] [2022-07-23 03:35:45,535 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-usb-dvb-usb-dvb-usb-m920x.cil.i[359202,359215] [2022-07-23 03:35:45,535 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-usb-dvb-usb-dvb-usb-m920x.cil.i[359367,359380] [2022-07-23 03:35:45,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:35:45,873 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:35:45,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45 WrapperNode [2022-07-23 03:35:45,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:35:45,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:35:45,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:35:45,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:35:45,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,151 INFO L137 Inliner]: procedures = 258, calls = 1715, calls flagged for inlining = 142, calls inlined = 128, statements flattened = 3724 [2022-07-23 03:35:46,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:35:46,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:35:46,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:35:46,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:35:46,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:35:46,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:35:46,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:35:46,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:35:46,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (1/1) ... [2022-07-23 03:35:46,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:35:46,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:35:46,381 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) [2022-07-23 03:35:46,407 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 [2022-07-23 03:35:46,423 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_xfer [2022-07-23 03:35:46,423 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_xfer [2022-07-23 03:35:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2022-07-23 03:35:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2022-07-23 03:35:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach_vp7049 [2022-07-23 03:35:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach_vp7049 [2022-07-23 03:35:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-07-23 03:35:46,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-07-23 03:35:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 03:35:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 03:35:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:35:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2022-07-23 03:35:46,425 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2022-07-23 03:35:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:35:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:35:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:35:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt2060_tuner_attach [2022-07-23 03:35:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt2060_tuner_attach [2022-07-23 03:35:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_61_tuner_attach [2022-07-23 03:35:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_61_tuner_attach [2022-07-23 03:35:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-07-23 03:35:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-07-23 03:35:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2022-07-23 03:35:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2022-07-23 03:35:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:35:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:35:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_update_filters [2022-07-23 03:35:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_update_filters [2022-07-23 03:35:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write_seq [2022-07-23 03:35:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write_seq [2022-07-23 03:35:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_60_tuner_attach [2022-07-23 03:35:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_60_tuner_attach [2022-07-23 03:35:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-23 03:35:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-23 03:35:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter_ctrl [2022-07-23 03:35:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter_ctrl [2022-07-23 03:35:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-23 03:35:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-23 03:35:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_probe [2022-07-23 03:35:46,430 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_probe [2022-07-23 03:35:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:35:46,430 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_rc_query [2022-07-23 03:35:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_rc_query [2022-07-23 03:35:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2022-07-23 03:35:46,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2022-07-23 03:35:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:35:46,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:35:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:35:46,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:35:46,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:35:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-23 03:35:46,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-23 03:35:46,433 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_parse_rc_state [2022-07-23 03:35:46,434 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_parse_rc_state [2022-07-23 03:35:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:35:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:35:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_firmware_download [2022-07-23 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_firmware_download [2022-07-23 03:35:46,435 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:35:46,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:35:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter [2022-07-23 03:35:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter [2022-07-23 03:35:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:35:46,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:35:46,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 03:35:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 03:35:46,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 03:35:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 03:35:46,437 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_0b_frontend_attach [2022-07-23 03:35:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_0b_frontend_attach [2022-07-23 03:35:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:35:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:35:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 03:35:46,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 03:35:46,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 03:35:46,478 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach [2022-07-23 03:35:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach [2022-07-23 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 03:35:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-23 03:35:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-23 03:35:46,479 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:35:46,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:35:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 03:35:46,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_08_frontend_attach [2022-07-23 03:35:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_08_frontend_attach [2022-07-23 03:35:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_qt1010_tuner_attach [2022-07-23 03:35:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_qt1010_tuner_attach [2022-07-23 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_demod_init [2022-07-23 03:35:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_demod_init [2022-07-23 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:35:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write [2022-07-23 03:35:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write [2022-07-23 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 03:35:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_fmd1216me_tuner_attach [2022-07-23 03:35:46,483 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_fmd1216me_tuner_attach [2022-07-23 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:35:46,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:35:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:35:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:35:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:35:46,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 03:35:46,484 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-23 03:35:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-23 03:35:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-23 03:35:46,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-23 03:35:46,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:35:46,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:35:46,486 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_set_filter [2022-07-23 03:35:46,487 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_set_filter [2022-07-23 03:35:46,489 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_identify_state [2022-07-23 03:35:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_identify_state [2022-07-23 03:35:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 03:35:46,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:35:46,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:35:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_func [2022-07-23 03:35:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_func [2022-07-23 03:35:46,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:35:46,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:35:46,492 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_read [2022-07-23 03:35:46,492 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_read [2022-07-23 03:35:47,264 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:35:47,267 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:35:49,039 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:39:03,765 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 03:39:03,905 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:39:03,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:39:03,927 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 03:39:03,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:39:03 BoogieIcfgContainer [2022-07-23 03:39:03,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:39:03,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:39:03,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:39:03,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:39:03,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:35:42" (1/3) ... [2022-07-23 03:39:03,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d0f321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:39:03, skipping insertion in model container [2022-07-23 03:39:03,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:35:45" (2/3) ... [2022-07-23 03:39:03,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23d0f321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:39:03, skipping insertion in model container [2022-07-23 03:39:03,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:39:03" (3/3) ... [2022-07-23 03:39:03,941 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2022-07-23 03:39:03,954 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:39:03,954 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:39:04,048 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:39:04,054 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5334777d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4d4c6eb2 [2022-07-23 03:39:04,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:39:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 1346 states, 973 states have (on average 1.3268242548818088) internal successors, (1291), 985 states have internal predecessors, (1291), 317 states have call successors, (317), 54 states have call predecessors, (317), 53 states have return successors, (311), 311 states have call predecessors, (311), 311 states have call successors, (311) [2022-07-23 03:39:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2022-07-23 03:39:04,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:39:04,121 INFO L195 NwaCegarLoop]: trace histogram [55, 55, 54, 54, 54, 54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:39:04,122 INFO L420 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:39:04,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:39:04,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1254115713, now seen corresponding path program 1 times [2022-07-23 03:39:04,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:39:04,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175655293] [2022-07-23 03:39:04,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:39:04,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:39:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:39:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:05,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:05,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:39:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:05,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:39:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:39:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:39:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:39:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:39:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:39:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:39:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:39:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:39:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:39:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:39:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:39:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:39:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:39:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:39:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:39:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:39:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:39:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:39:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:39:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:39:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:39:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:39:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:39:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:39:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:39:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:39:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 03:39:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:39:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:39:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 03:39:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 03:39:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 03:39:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 03:39:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 03:39:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 03:39:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 03:39:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 03:39:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-23 03:39:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-23 03:39:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 03:39:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-23 03:39:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-23 03:39:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-23 03:39:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-23 03:39:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-23 03:39:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-23 03:39:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-23 03:39:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-23 03:39:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-23 03:39:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-23 03:39:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-23 03:39:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-23 03:39:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-23 03:39:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-23 03:39:07,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:39:07,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175655293] [2022-07-23 03:39:07,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175655293] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:39:07,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:39:07,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:39:07,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414621922] [2022-07-23 03:39:07,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:39:07,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:39:07,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:39:07,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:39:07,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:39:07,947 INFO L87 Difference]: Start difference. First operand has 1346 states, 973 states have (on average 1.3268242548818088) internal successors, (1291), 985 states have internal predecessors, (1291), 317 states have call successors, (317), 54 states have call predecessors, (317), 53 states have return successors, (311), 311 states have call predecessors, (311), 311 states have call successors, (311) Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-07-23 03:39:10,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:39:12,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:39:17,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:39:25,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:39:25,456 INFO L93 Difference]: Finished difference Result 4102 states and 6121 transitions. [2022-07-23 03:39:25,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:39:25,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 624 [2022-07-23 03:39:25,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:39:25,512 INFO L225 Difference]: With dead ends: 4102 [2022-07-23 03:39:25,513 INFO L226 Difference]: Without dead ends: 2859 [2022-07-23 03:39:25,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:39:25,535 INFO L413 NwaCegarLoop]: 2111 mSDtfsCounter, 2659 mSDsluCounter, 2464 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 846 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 4575 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 846 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-07-23 03:39:25,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2832 Valid, 4575 Invalid, 2026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [846 Valid, 1177 Invalid, 3 Unknown, 0 Unchecked, 17.0s Time] [2022-07-23 03:39:25,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2022-07-23 03:39:25,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2448. [2022-07-23 03:39:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 1804 states have (on average 1.3276053215077606) internal successors, (2395), 1827 states have internal predecessors, (2395), 540 states have call successors, (540), 102 states have call predecessors, (540), 101 states have return successors, (536), 536 states have call predecessors, (536), 536 states have call successors, (536) [2022-07-23 03:39:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 3471 transitions. [2022-07-23 03:39:25,800 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 3471 transitions. Word has length 624 [2022-07-23 03:39:25,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:39:25,805 INFO L495 AbstractCegarLoop]: Abstraction has 2448 states and 3471 transitions. [2022-07-23 03:39:25,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-07-23 03:39:25,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 3471 transitions. [2022-07-23 03:39:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-07-23 03:39:25,821 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:39:25,822 INFO L195 NwaCegarLoop]: trace histogram [55, 55, 54, 54, 54, 54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:39:25,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 03:39:25,823 INFO L420 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:39:25,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:39:25,824 INFO L85 PathProgramCache]: Analyzing trace with hash -235046117, now seen corresponding path program 1 times [2022-07-23 03:39:25,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:39:25,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044984592] [2022-07-23 03:39:25,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:39:25,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:39:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:39:26,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:39:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:39:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:39:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:39:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:39:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:39:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:39:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:39:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:39:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:39:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:39:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:39:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:39:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:39:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:39:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:39:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:39:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:39:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:39:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:39:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:39:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:39:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:39:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:39:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:39:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:39:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:39:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:39:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 03:39:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:39:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:39:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 03:39:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 03:39:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 03:39:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 03:39:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 03:39:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 03:39:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 03:39:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 03:39:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-23 03:39:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-23 03:39:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 03:39:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-23 03:39:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-23 03:39:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-23 03:39:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-23 03:39:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-23 03:39:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-23 03:39:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-23 03:39:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-23 03:39:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-23 03:39:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-23 03:39:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-23 03:39:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-23 03:39:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-23 03:39:28,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:39:28,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044984592] [2022-07-23 03:39:28,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044984592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:39:28,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:39:28,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:39:28,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897724898] [2022-07-23 03:39:28,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:39:28,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:39:28,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:39:28,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:39:28,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:39:28,554 INFO L87 Difference]: Start difference. First operand 2448 states and 3471 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, (60), 3 states have call predecessors, (60), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-23 03:39:30,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:39:33,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:39:36,084 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 [] [2022-07-23 03:39:45,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:39:45,882 INFO L93 Difference]: Finished difference Result 6585 states and 9561 transitions. [2022-07-23 03:39:45,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:39:45,883 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, (60), 3 states have call predecessors, (60), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 629 [2022-07-23 03:39:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:39:45,914 INFO L225 Difference]: With dead ends: 6585 [2022-07-23 03:39:45,914 INFO L226 Difference]: Without dead ends: 4250 [2022-07-23 03:39:45,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:39:45,926 INFO L413 NwaCegarLoop]: 2114 mSDtfsCounter, 2709 mSDsluCounter, 2510 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 874 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2898 SdHoareTripleChecker+Valid, 4624 SdHoareTripleChecker+Invalid, 2047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 874 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-07-23 03:39:45,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2898 Valid, 4624 Invalid, 2047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [874 Valid, 1170 Invalid, 3 Unknown, 0 Unchecked, 16.9s Time] [2022-07-23 03:39:45,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4250 states. [2022-07-23 03:39:46,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4250 to 3621. [2022-07-23 03:39:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3621 states, 2681 states have (on average 1.3267437523312198) internal successors, (3557), 2718 states have internal predecessors, (3557), 783 states have call successors, (783), 155 states have call predecessors, (783), 154 states have return successors, (779), 774 states have call predecessors, (779), 779 states have call successors, (779) [2022-07-23 03:39:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 5119 transitions. [2022-07-23 03:39:46,092 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 5119 transitions. Word has length 629 [2022-07-23 03:39:46,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:39:46,093 INFO L495 AbstractCegarLoop]: Abstraction has 3621 states and 5119 transitions. [2022-07-23 03:39:46,094 INFO L496 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, (60), 3 states have call predecessors, (60), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-23 03:39:46,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 5119 transitions. [2022-07-23 03:39:46,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2022-07-23 03:39:46,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:39:46,109 INFO L195 NwaCegarLoop]: trace histogram [55, 55, 54, 54, 54, 54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:39:46,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 03:39:46,110 INFO L420 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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:39:46,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:39:46,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1174190057, now seen corresponding path program 1 times [2022-07-23 03:39:46,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 03:39:46,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936314964] [2022-07-23 03:39:46,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:39:46,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 03:39:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:46,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 03:39:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:46,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 03:39:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:46,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 03:39:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:46,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 03:39:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:46,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 03:39:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 03:39:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 03:39:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 03:39:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-23 03:39:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-23 03:39:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 03:39:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 03:39:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-23 03:39:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 03:39:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 03:39:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 03:39:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 03:39:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 03:39:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 03:39:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 03:39:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 03:39:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 03:39:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 03:39:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 03:39:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 03:39:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 03:39:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 03:39:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 03:39:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 03:39:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 03:39:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-23 03:39:47,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 03:39:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 03:39:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 03:39:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 03:39:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 03:39:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 03:39:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 03:39:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 03:39:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 03:39:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-23 03:39:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-23 03:39:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 03:39:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-23 03:39:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-23 03:39:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-23 03:39:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-23 03:39:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-23 03:39:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-23 03:39:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-23 03:39:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-23 03:39:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-23 03:39:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-23 03:39:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-23 03:39:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 03:39:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-23 03:39:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:39:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-23 03:39:48,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 03:39:48,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936314964] [2022-07-23 03:39:48,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936314964] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:39:48,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:39:48,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:39:48,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418370923] [2022-07-23 03:39:48,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:39:48,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 03:39:48,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 03:39:48,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 03:39:48,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 03:39:48,408 INFO L87 Difference]: Start difference. First operand 3621 states and 5119 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-23 03:39:50,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:39:52,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:39:55,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 03:39:57,125 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []