./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 f4b24e32 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-?-f4b24e3 [2022-07-14 03:59:58,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:59:58,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:59:58,318 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:59:58,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:59:58,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:59:58,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:59:58,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:59:58,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:59:58,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:59:58,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:59:58,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:59:58,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:59:58,334 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:59:58,335 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:59:58,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:59:58,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:59:58,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:59:58,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:59:58,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:59:58,343 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:59:58,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:59:58,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:59:58,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:59:58,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:59:58,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:59:58,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:59:58,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:59:58,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:59:58,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:59:58,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:59:58,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:59:58,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:59:58,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:59:58,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:59:58,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:59:58,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:59:58,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:59:58,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:59:58,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:59:58,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:59:58,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:59:58,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:59:58,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:59:58,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:59:58,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:59:58,382 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:59:58,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:59:58,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:59:58,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:59:58,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:59:58,383 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:59:58,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:59:58,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:59:58,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:59:58,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:59:58,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:59:58,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:59:58,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:59:58,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:59:58,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:59:58,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:59:58,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:59:58,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:59:58,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:59:58,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:59:58,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:59:58,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:59:58,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:59:58,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:59:58,387 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:59:58,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:59:58,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:59:58,387 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59473e3c2ae80c2e7996950da3475e9070fa07527cbe1064da7145ffd0ce24e6 [2022-07-14 03:59:58,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:59:58,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:59:58,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:59:58,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:59:58,586 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:59:58,587 INFO L432 ainManager$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 [2022-07-14 03:59:58,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd8bc6be/bdcf2e094b664281891dd7bf441d979f/FLAGb54210210 [2022-07-14 03:59:59,324 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:59:59,325 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 [2022-07-14 03:59:59,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd8bc6be/bdcf2e094b664281891dd7bf441d979f/FLAGb54210210 [2022-07-14 03:59:59,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fd8bc6be/bdcf2e094b664281891dd7bf441d979f [2022-07-14 03:59:59,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:59:59,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:59:59,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:59:59,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:59:59,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:59:59,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:59:59" (1/1) ... [2022-07-14 03:59:59,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a081e30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:59:59, skipping insertion in model container [2022-07-14 03:59:59,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:59:59" (1/1) ... [2022-07-14 03:59:59,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:59:59,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:00:00,998 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] [2022-07-14 04:00:01,001 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] [2022-07-14 04:00:01,001 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] [2022-07-14 04:00:01,002 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] [2022-07-14 04:00:01,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:00:01,067 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:00:01,337 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] [2022-07-14 04:00:01,337 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] [2022-07-14 04:00:01,338 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] [2022-07-14 04:00:01,339 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] [2022-07-14 04:00:01,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:00:01,616 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:00:01,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01 WrapperNode [2022-07-14 04:00:01,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:00:01,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:00:01,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:00:01,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:00:01,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:01,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:01,877 INFO L137 Inliner]: procedures = 258, calls = 1715, calls flagged for inlining = 142, calls inlined = 128, statements flattened = 3724 [2022-07-14 04:00:01,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:00:01,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:00:01,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:00:01,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:00:01,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:01,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:01,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:01,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:01,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:02,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:02,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:02,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:00:02,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:00:02,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:00:02,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:00:02,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (1/1) ... [2022-07-14 04:00:02,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:00:02,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:00:02,101 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) [2022-07-14 04:00:02,119 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 [2022-07-14 04:00:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_xfer [2022-07-14 04:00:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_xfer [2022-07-14 04:00:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2022-07-14 04:00:02,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2022-07-14 04:00:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach_vp7049 [2022-07-14 04:00:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach_vp7049 [2022-07-14 04:00:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-07-14 04:00:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-07-14 04:00:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 04:00:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 04:00:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:00:02,148 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2022-07-14 04:00:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2022-07-14 04:00:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:00:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:00:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:00:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt2060_tuner_attach [2022-07-14 04:00:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt2060_tuner_attach [2022-07-14 04:00:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_61_tuner_attach [2022-07-14 04:00:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_61_tuner_attach [2022-07-14 04:00:02,149 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-07-14 04:00:02,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-07-14 04:00:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2022-07-14 04:00:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2022-07-14 04:00:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:00:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:00:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_update_filters [2022-07-14 04:00:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_update_filters [2022-07-14 04:00:02,150 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write_seq [2022-07-14 04:00:02,150 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write_seq [2022-07-14 04:00:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_60_tuner_attach [2022-07-14 04:00:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_60_tuner_attach [2022-07-14 04:00:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-14 04:00:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-14 04:00:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter_ctrl [2022-07-14 04:00:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter_ctrl [2022-07-14 04:00:02,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-14 04:00:02,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-14 04:00:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_probe [2022-07-14 04:00:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_probe [2022-07-14 04:00:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:00:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_rc_query [2022-07-14 04:00:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_rc_query [2022-07-14 04:00:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2022-07-14 04:00:02,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2022-07-14 04:00:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:00:02,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:00:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:00:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:00:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:00:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 04:00:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 04:00:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_parse_rc_state [2022-07-14 04:00:02,153 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_parse_rc_state [2022-07-14 04:00:02,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:00:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:00:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_firmware_download [2022-07-14 04:00:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_firmware_download [2022-07-14 04:00:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:00:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:00:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter [2022-07-14 04:00:02,154 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter [2022-07-14 04:00:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:00:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:00:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:00:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 04:00:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 04:00:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:00:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_0b_frontend_attach [2022-07-14 04:00:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_0b_frontend_attach [2022-07-14 04:00:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:00:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:00:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:00:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:00:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:00:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach [2022-07-14 04:00:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach [2022-07-14 04:00:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 04:00:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-14 04:00:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 04:00:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 04:00:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:00:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:00:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:00:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:00:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:00:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_08_frontend_attach [2022-07-14 04:00:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_08_frontend_attach [2022-07-14 04:00:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_qt1010_tuner_attach [2022-07-14 04:00:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_qt1010_tuner_attach [2022-07-14 04:00:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_demod_init [2022-07-14 04:00:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_demod_init [2022-07-14 04:00:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:00:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write [2022-07-14 04:00:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write [2022-07-14 04:00:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:00:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:00:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_fmd1216me_tuner_attach [2022-07-14 04:00:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_fmd1216me_tuner_attach [2022-07-14 04:00:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:00:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:00:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:00:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:00:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:00:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:00:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 04:00:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 04:00:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-14 04:00:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-14 04:00:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:00:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:00:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_set_filter [2022-07-14 04:00:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_set_filter [2022-07-14 04:00:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_identify_state [2022-07-14 04:00:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_identify_state [2022-07-14 04:00:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:00:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:00:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:00:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_func [2022-07-14 04:00:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_func [2022-07-14 04:00:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:00:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:00:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_read [2022-07-14 04:00:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_read [2022-07-14 04:00:02,817 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:00:02,819 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:00:04,276 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:03:27,186 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:03:27,297 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:03:27,310 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:03:27,311 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 04:03:27,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:03:27 BoogieIcfgContainer [2022-07-14 04:03:27,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:03:27,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:03:27,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:03:27,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:03:27,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:59:59" (1/3) ... [2022-07-14 04:03:27,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0edd1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:03:27, skipping insertion in model container [2022-07-14 04:03:27,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:00:01" (2/3) ... [2022-07-14 04:03:27,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0edd1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:03:27, skipping insertion in model container [2022-07-14 04:03:27,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:03:27" (3/3) ... [2022-07-14 04:03:27,321 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2022-07-14 04:03:27,331 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:03:27,331 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:03:27,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:03:27,416 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@476820c0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@79b06101 [2022-07-14 04:03:27,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:03:27,424 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) [2022-07-14 04:03:27,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2022-07-14 04:03:27,483 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:03:27,484 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] [2022-07-14 04:03:27,485 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)] === [2022-07-14 04:03:27,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:03:27,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1254115713, now seen corresponding path program 1 times [2022-07-14 04:03:27,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:03:27,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922031248] [2022-07-14 04:03:27,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:03:27,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:03:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:03:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:03:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:03:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:03:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:03:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:03:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:03:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:03:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:03:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:03:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:03:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:28,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:03:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:03:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:03:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:03:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:03:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:03:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 04:03:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 04:03:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 04:03:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:03:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 04:03:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:03:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 04:03:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 04:03:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 04:03:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 04:03:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:03:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 04:03:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 04:03:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 04:03:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 04:03:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 04:03:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 04:03:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-14 04:03:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-14 04:03:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 04:03:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 04:03:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-14 04:03:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-14 04:03:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-14 04:03:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-14 04:03:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-14 04:03:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-14 04:03:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-14 04:03:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-14 04:03:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-14 04:03:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-14 04:03:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-14 04:03:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-14 04:03:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-14 04:03:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-14 04:03:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-14 04:03:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-14 04:03:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-14 04:03:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-14 04:03:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:30,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-14 04:03:30,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:03:30,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922031248] [2022-07-14 04:03:30,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922031248] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:03:30,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:03:30,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:03:30,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541167333] [2022-07-14 04:03:30,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:03:30,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:03:30,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:03:30,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:03:30,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:03:30,758 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) [2022-07-14 04:03:32,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:03:35,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:03:38,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:03:40,319 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 [] [2022-07-14 04:03:46,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:03:46,441 INFO L93 Difference]: Finished difference Result 4067 states and 6060 transitions. [2022-07-14 04:03:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:03:46,444 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 [2022-07-14 04:03:46,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:03:46,496 INFO L225 Difference]: With dead ends: 4067 [2022-07-14 04:03:46,496 INFO L226 Difference]: Without dead ends: 2824 [2022-07-14 04:03:46,509 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 [2022-07-14 04:03:46,512 INFO L413 NwaCegarLoop]: 2145 mSDtfsCounter, 2586 mSDsluCounter, 2628 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 817 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2756 SdHoareTripleChecker+Valid, 4773 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 817 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:03:46,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2756 Valid, 4773 Invalid, 1984 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [817 Valid, 1163 Invalid, 4 Unknown, 0 Unchecked, 15.2s Time] [2022-07-14 04:03:46,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2824 states. [2022-07-14 04:03:46,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2824 to 2412. [2022-07-14 04:03:46,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2412 states, 1779 states have (on average 1.3265879707700956) internal successors, (2360), 1802 states have internal predecessors, (2360), 531 states have call successors, (531), 100 states have call predecessors, (531), 99 states have return successors, (527), 527 states have call predecessors, (527), 527 states have call successors, (527) [2022-07-14 04:03:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2412 states to 2412 states and 3418 transitions. [2022-07-14 04:03:46,738 INFO L78 Accepts]: Start accepts. Automaton has 2412 states and 3418 transitions. Word has length 624 [2022-07-14 04:03:46,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:03:46,744 INFO L495 AbstractCegarLoop]: Abstraction has 2412 states and 3418 transitions. [2022-07-14 04:03:46,745 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) [2022-07-14 04:03:46,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 3418 transitions. [2022-07-14 04:03:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-07-14 04:03:46,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:03:46,761 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] [2022-07-14 04:03:46,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:03:46,762 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)] === [2022-07-14 04:03:46,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:03:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash -235046117, now seen corresponding path program 1 times [2022-07-14 04:03:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:03:46,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109470304] [2022-07-14 04:03:46,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:03:46,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:03:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:03:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:03:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:03:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:03:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:03:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:03:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:03:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:03:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:03:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:03:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:03:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:03:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:03:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:03:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:03:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:03:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:03:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 04:03:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 04:03:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 04:03:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:03:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 04:03:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:03:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 04:03:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 04:03:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 04:03:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 04:03:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:03:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 04:03:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 04:03:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 04:03:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 04:03:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 04:03:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 04:03:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-14 04:03:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-14 04:03:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 04:03:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 04:03:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-14 04:03:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-14 04:03:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-14 04:03:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-14 04:03:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-14 04:03:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-14 04:03:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-14 04:03:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-14 04:03:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-14 04:03:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-14 04:03:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-14 04:03:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-14 04:03:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-14 04:03:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-14 04:03:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-14 04:03:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-14 04:03:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:03:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-14 04:03:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:03:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-14 04:03:49,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:03:49,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109470304] [2022-07-14 04:03:49,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109470304] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:03:49,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:03:49,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:03:49,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522220571] [2022-07-14 04:03:49,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:03:49,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:03:49,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:03:49,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:03:49,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:03:49,024 INFO L87 Difference]: Start difference. First operand 2412 states and 3418 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) [2022-07-14 04:03:51,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:03:53,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:03:56,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:03:57,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:03:59,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:04:03,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:04:06,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:04:11,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:04:11,281 INFO L93 Difference]: Finished difference Result 6526 states and 9474 transitions. [2022-07-14 04:04:11,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:04:11,281 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 [2022-07-14 04:04:11,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:04:11,309 INFO L225 Difference]: With dead ends: 6526 [2022-07-14 04:04:11,310 INFO L226 Difference]: Without dead ends: 4227 [2022-07-14 04:04:11,321 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 [2022-07-14 04:04:11,327 INFO L413 NwaCegarLoop]: 2103 mSDtfsCounter, 2726 mSDsluCounter, 2503 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 875 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2920 SdHoareTripleChecker+Valid, 4606 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 875 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:04:11,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2920 Valid, 4606 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [875 Valid, 1176 Invalid, 4 Unknown, 0 Unchecked, 21.9s Time] [2022-07-14 04:04:11,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2022-07-14 04:04:11,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 3599. [2022-07-14 04:04:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3599 states, 2667 states have (on average 1.3262092238470191) internal successors, (3537), 2704 states have internal predecessors, (3537), 776 states have call successors, (776), 154 states have call predecessors, (776), 153 states have return successors, (772), 767 states have call predecessors, (772), 772 states have call successors, (772) [2022-07-14 04:04:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 3599 states and 5085 transitions. [2022-07-14 04:04:11,493 INFO L78 Accepts]: Start accepts. Automaton has 3599 states and 5085 transitions. Word has length 629 [2022-07-14 04:04:11,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:04:11,498 INFO L495 AbstractCegarLoop]: Abstraction has 3599 states and 5085 transitions. [2022-07-14 04:04:11,499 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) [2022-07-14 04:04:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 3599 states and 5085 transitions. [2022-07-14 04:04:11,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2022-07-14 04:04:11,507 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:04:11,507 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] [2022-07-14 04:04:11,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:04:11,508 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)] === [2022-07-14 04:04:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:04:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1174190057, now seen corresponding path program 1 times [2022-07-14 04:04:11,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:04:11,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382689315] [2022-07-14 04:04:11,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:04:11,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:04:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:04:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 04:04:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 04:04:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 04:04:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 04:04:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 04:04:12,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 04:04:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 04:04:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 04:04:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 04:04:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 04:04:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 04:04:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 04:04:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 04:04:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 04:04:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 04:04:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 04:04:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 04:04:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 04:04:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 04:04:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 04:04:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 04:04:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:04:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 04:04:12,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 04:04:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 04:04:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 04:04:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 04:04:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 04:04:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 04:04:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 04:04:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-14 04:04:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-14 04:04:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 04:04:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-14 04:04:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-14 04:04:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-14 04:04:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-14 04:04:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-14 04:04:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-14 04:04:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-14 04:04:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-14 04:04:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-14 04:04:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-14 04:04:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-14 04:04:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-14 04:04:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-14 04:04:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-14 04:04:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-14 04:04:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-14 04:04:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-14 04:04:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-14 04:04:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-14 04:04:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-14 04:04:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:04:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-14 04:04:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:04:13,554 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-14 04:04:13,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:04:13,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382689315] [2022-07-14 04:04:13,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382689315] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:04:13,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:04:13,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:04:13,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829481565] [2022-07-14 04:04:13,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:04:13,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:04:13,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:04:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:04:13,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:04:13,557 INFO L87 Difference]: Start difference. First operand 3599 states and 5085 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) [2022-07-14 04:04:15,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:04:17,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:04:20,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []