./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 eb692b52 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-?-eb692b5 [2022-07-20 03:20:50,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:20:50,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:20:50,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:20:50,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:20:50,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:20:50,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:20:50,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:20:50,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:20:50,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:20:50,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:20:50,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:20:50,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:20:50,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:20:50,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:20:50,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:20:50,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:20:50,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:20:50,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:20:50,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:20:50,719 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:20:50,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:20:50,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:20:50,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:20:50,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:20:50,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:20:50,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:20:50,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:20:50,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:20:50,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:20:50,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:20:50,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:20:50,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:20:50,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:20:50,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:20:50,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:20:50,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:20:50,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:20:50,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:20:50,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:20:50,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:20:50,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:20:50,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:20:50,768 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:20:50,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:20:50,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:20:50,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:20:50,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:20:50,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:20:50,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:20:50,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:20:50,776 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:20:50,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:20:50,777 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:20:50,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:20:50,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:20:50,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:20:50,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:20:50,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:20:50,778 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:20:50,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:20:50,780 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:20:50,780 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:20:50,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:20:50,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:20:50,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:20:50,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:20:50,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:20:50,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:20:50,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:20:50,782 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:20:50,782 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:20:50,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:20:50,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59473e3c2ae80c2e7996950da3475e9070fa07527cbe1064da7145ffd0ce24e6 [2022-07-20 03:20:51,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:20:51,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:20:51,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:20:51,031 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:20:51,032 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:20:51,033 INFO L432 ainManager$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 [2022-07-20 03:20:51,109 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84347a96b/3378fd5e8102400c9dc0d45fd805eaac/FLAG258c5268a [2022-07-20 03:20:51,929 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:20:51,932 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 [2022-07-20 03:20:51,989 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84347a96b/3378fd5e8102400c9dc0d45fd805eaac/FLAG258c5268a [2022-07-20 03:20:52,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84347a96b/3378fd5e8102400c9dc0d45fd805eaac [2022-07-20 03:20:52,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:20:52,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:20:52,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:20:52,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:20:52,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:20:52,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:20:52" (1/1) ... [2022-07-20 03:20:52,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c868c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:52, skipping insertion in model container [2022-07-20 03:20:52,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:20:52" (1/1) ... [2022-07-20 03:20:52,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:20:52,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:20:54,312 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] [2022-07-20 03:20:54,316 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] [2022-07-20 03:20:54,318 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] [2022-07-20 03:20:54,318 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] [2022-07-20 03:20:54,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:20:54,412 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:20:54,779 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] [2022-07-20 03:20:54,780 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] [2022-07-20 03:20:54,780 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] [2022-07-20 03:20:54,780 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] [2022-07-20 03:20:54,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:20:55,075 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:20:55,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55 WrapperNode [2022-07-20 03:20:55,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:20:55,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:20:55,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:20:55,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:20:55,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,335 INFO L137 Inliner]: procedures = 258, calls = 1715, calls flagged for inlining = 142, calls inlined = 128, statements flattened = 3724 [2022-07-20 03:20:55,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:20:55,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:20:55,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:20:55,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:20:55,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:20:55,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:20:55,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:20:55,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:20:55,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (1/1) ... [2022-07-20 03:20:55,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:20:55,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:20:55,566 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) [2022-07-20 03:20:55,593 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 [2022-07-20 03:20:55,605 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_xfer [2022-07-20 03:20:55,605 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_xfer [2022-07-20 03:20:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2022-07-20 03:20:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2022-07-20 03:20:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach_vp7049 [2022-07-20 03:20:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach_vp7049 [2022-07-20 03:20:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-07-20 03:20:55,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-07-20 03:20:55,606 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 03:20:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 03:20:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:20:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2022-07-20 03:20:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2022-07-20 03:20:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:20:55,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:20:55,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:20:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt2060_tuner_attach [2022-07-20 03:20:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt2060_tuner_attach [2022-07-20 03:20:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_61_tuner_attach [2022-07-20 03:20:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_61_tuner_attach [2022-07-20 03:20:55,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-07-20 03:20:55,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-07-20 03:20:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2022-07-20 03:20:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2022-07-20 03:20:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:20:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:20:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_update_filters [2022-07-20 03:20:55,609 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_update_filters [2022-07-20 03:20:55,609 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write_seq [2022-07-20 03:20:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write_seq [2022-07-20 03:20:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_60_tuner_attach [2022-07-20 03:20:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_60_tuner_attach [2022-07-20 03:20:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-20 03:20:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-20 03:20:55,610 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter_ctrl [2022-07-20 03:20:55,610 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter_ctrl [2022-07-20 03:20:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 03:20:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 03:20:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_probe [2022-07-20 03:20:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_probe [2022-07-20 03:20:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:20:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_rc_query [2022-07-20 03:20:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_rc_query [2022-07-20 03:20:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2022-07-20 03:20:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2022-07-20 03:20:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:20:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:20:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:20:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:20:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:20:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-20 03:20:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-20 03:20:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_parse_rc_state [2022-07-20 03:20:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_parse_rc_state [2022-07-20 03:20:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:20:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:20:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_firmware_download [2022-07-20 03:20:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_firmware_download [2022-07-20 03:20:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 03:20:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 03:20:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter [2022-07-20 03:20:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter [2022-07-20 03:20:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:20:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:20:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:20:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-20 03:20:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-20 03:20:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:20:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_0b_frontend_attach [2022-07-20 03:20:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_0b_frontend_attach [2022-07-20 03:20:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:20:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:20:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:20:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 03:20:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 03:20:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach [2022-07-20 03:20:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach [2022-07-20 03:20:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-20 03:20:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-20 03:20:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 03:20:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 03:20:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:20:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:20:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 03:20:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 03:20:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:20:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_08_frontend_attach [2022-07-20 03:20:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_08_frontend_attach [2022-07-20 03:20:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_qt1010_tuner_attach [2022-07-20 03:20:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_qt1010_tuner_attach [2022-07-20 03:20:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_demod_init [2022-07-20 03:20:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_demod_init [2022-07-20 03:20:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:20:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write [2022-07-20 03:20:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write [2022-07-20 03:20:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 03:20:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 03:20:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_fmd1216me_tuner_attach [2022-07-20 03:20:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_fmd1216me_tuner_attach [2022-07-20 03:20:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:20:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:20:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:20:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:20:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:20:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:20:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-20 03:20:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-20 03:20:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-20 03:20:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-20 03:20:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:20:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:20:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_set_filter [2022-07-20 03:20:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_set_filter [2022-07-20 03:20:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_identify_state [2022-07-20 03:20:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_identify_state [2022-07-20 03:20:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:20:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:20:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:20:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_func [2022-07-20 03:20:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_func [2022-07-20 03:20:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:20:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:20:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_read [2022-07-20 03:20:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_read [2022-07-20 03:20:56,431 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:20:56,433 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:20:57,926 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:24:13,199 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:24:13,300 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:24:13,319 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:24:13,320 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-20 03:24:13,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:24:13 BoogieIcfgContainer [2022-07-20 03:24:13,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:24:13,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:24:13,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:24:13,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:24:13,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:20:52" (1/3) ... [2022-07-20 03:24:13,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aba7d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:24:13, skipping insertion in model container [2022-07-20 03:24:13,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:20:55" (2/3) ... [2022-07-20 03:24:13,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aba7d05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:24:13, skipping insertion in model container [2022-07-20 03:24:13,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:24:13" (3/3) ... [2022-07-20 03:24:13,332 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2022-07-20 03:24:13,345 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:24:13,345 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 03:24:13,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:24:13,423 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@2db6d263, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5ff65388 [2022-07-20 03:24:13,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 03:24:13,437 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) [2022-07-20 03:24:13,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2022-07-20 03:24:13,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:24:13,477 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] [2022-07-20 03:24:13,478 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)] === [2022-07-20 03:24:13,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:24:13,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1254115713, now seen corresponding path program 1 times [2022-07-20 03:24:13,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:24:13,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461206718] [2022-07-20 03:24:13,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:24:13,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:24:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:24:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:24:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:24:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:24:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:24:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:24:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:24:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:24:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:24:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:24:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:24:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:24:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:24:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:24:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:24:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:24:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:24:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:24:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:15,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:24:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:24:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:24:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:24:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:24:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:24:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:24:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:24:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:24:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:24:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:24:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:24:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:24:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:24:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 03:24:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 03:24:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 03:24:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 03:24:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-20 03:24:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 03:24:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-20 03:24:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 03:24:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-20 03:24:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-20 03:24:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-20 03:24:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-20 03:24:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-20 03:24:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-20 03:24:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-20 03:24:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-20 03:24:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:16,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-20 03:24:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-20 03:24:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-20 03:24:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-20 03:24:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-20 03:24:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-20 03:24:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-20 03:24:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-20 03:24:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-20 03:24:17,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:24:17,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461206718] [2022-07-20 03:24:17,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461206718] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:24:17,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:24:17,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:24:17,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545436818] [2022-07-20 03:24:17,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:24:17,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:24:17,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:24:17,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:24:17,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:24:17,244 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) [2022-07-20 03:24:19,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:21,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:24,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:25,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:27,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:31,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:36,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:24:36,529 INFO L93 Difference]: Finished difference Result 4102 states and 6121 transitions. [2022-07-20 03:24:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:24:36,531 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 [2022-07-20 03:24:36,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:24:36,574 INFO L225 Difference]: With dead ends: 4102 [2022-07-20 03:24:36,574 INFO L226 Difference]: Without dead ends: 2859 [2022-07-20 03:24:36,589 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 [2022-07-20 03:24:36,592 INFO L413 NwaCegarLoop]: 2145 mSDtfsCounter, 2661 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 827 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2838 SdHoareTripleChecker+Valid, 4796 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 827 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:24:36,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2838 Valid, 4796 Invalid, 2006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [827 Valid, 1176 Invalid, 3 Unknown, 0 Unchecked, 18.8s Time] [2022-07-20 03:24:36,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2022-07-20 03:24:36,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2448. [2022-07-20 03:24:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 1804 states have (on average 1.3276053215077606) internal successors, (2395), 1827 states have internal predecessors, (2395), 540 states have call successors, (540), 102 states have call predecessors, (540), 101 states have return successors, (536), 536 states have call predecessors, (536), 536 states have call successors, (536) [2022-07-20 03:24:36,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 3471 transitions. [2022-07-20 03:24:36,839 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 3471 transitions. Word has length 624 [2022-07-20 03:24:36,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:24:36,846 INFO L495 AbstractCegarLoop]: Abstraction has 2448 states and 3471 transitions. [2022-07-20 03:24:36,847 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) [2022-07-20 03:24:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 3471 transitions. [2022-07-20 03:24:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-07-20 03:24:36,865 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:24:36,866 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] [2022-07-20 03:24:36,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:24:36,866 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)] === [2022-07-20 03:24:36,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:24:36,867 INFO L85 PathProgramCache]: Analyzing trace with hash -235046117, now seen corresponding path program 1 times [2022-07-20 03:24:36,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:24:36,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404446481] [2022-07-20 03:24:36,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:24:36,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:24:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:24:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:24:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:24:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:24:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:24:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:24:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:24:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:24:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:24:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:24:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:24:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:24:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:24:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:24:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:24:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:24:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:24:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:24:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:24:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:24:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:24:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:24:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:24:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:24:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:24:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:24:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:24:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:24:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:24:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:24:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:24:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:24:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 03:24:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:38,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 03:24:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 03:24:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 03:24:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-20 03:24:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 03:24:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-20 03:24:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 03:24:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-20 03:24:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-20 03:24:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-20 03:24:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-20 03:24:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-20 03:24:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-20 03:24:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-20 03:24:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-20 03:24:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-20 03:24:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-20 03:24:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-20 03:24:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-20 03:24:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-20 03:24:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-20 03:24:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:24:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-20 03:24:39,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:24:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-20 03:24:39,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:24:39,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404446481] [2022-07-20 03:24:39,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404446481] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:24:39,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:24:39,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:24:39,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112322765] [2022-07-20 03:24:39,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:24:39,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:24:39,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:24:39,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:24:39,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:24:39,774 INFO L87 Difference]: Start difference. First operand 2448 states and 3471 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (60), 3 states have call predecessors, (60), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-20 03:24:41,876 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 [] [2022-07-20 03:24:44,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:47,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:48,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:50,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:54,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:24:59,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:24:59,541 INFO L93 Difference]: Finished difference Result 6585 states and 9561 transitions. [2022-07-20 03:24:59,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 03:24:59,542 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 [2022-07-20 03:24:59,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:24:59,583 INFO L225 Difference]: With dead ends: 6585 [2022-07-20 03:24:59,584 INFO L226 Difference]: Without dead ends: 4250 [2022-07-20 03:24:59,601 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 [2022-07-20 03:24:59,607 INFO L413 NwaCegarLoop]: 2128 mSDtfsCounter, 2698 mSDsluCounter, 2626 mSDsCounter, 0 mSdLazyCounter, 1171 mSolverCounterSat, 861 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2883 SdHoareTripleChecker+Valid, 4754 SdHoareTripleChecker+Invalid, 2035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 861 IncrementalHoareTripleChecker+Valid, 1171 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:24:59,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2883 Valid, 4754 Invalid, 2035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [861 Valid, 1171 Invalid, 3 Unknown, 0 Unchecked, 19.3s Time] [2022-07-20 03:24:59,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4250 states. [2022-07-20 03:24:59,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4250 to 3621. [2022-07-20 03:24:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3621 states, 2681 states have (on average 1.3267437523312198) internal successors, (3557), 2718 states have internal predecessors, (3557), 783 states have call successors, (783), 155 states have call predecessors, (783), 154 states have return successors, (779), 774 states have call predecessors, (779), 779 states have call successors, (779) [2022-07-20 03:24:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 5119 transitions. [2022-07-20 03:24:59,818 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 5119 transitions. Word has length 629 [2022-07-20 03:24:59,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:24:59,820 INFO L495 AbstractCegarLoop]: Abstraction has 3621 states and 5119 transitions. [2022-07-20 03:24:59,820 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) [2022-07-20 03:24:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 5119 transitions. [2022-07-20 03:24:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2022-07-20 03:24:59,839 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:24:59,840 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] [2022-07-20 03:24:59,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:24:59,840 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)] === [2022-07-20 03:24:59,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:24:59,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1174190057, now seen corresponding path program 1 times [2022-07-20 03:24:59,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:24:59,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720947119] [2022-07-20 03:24:59,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:24:59,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:25:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:25:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 03:25:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 03:25:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 03:25:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 03:25:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 03:25:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 03:25:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 03:25:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 03:25:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 03:25:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 03:25:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 03:25:01,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 03:25:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 03:25:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 03:25:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 03:25:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 03:25:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 03:25:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 03:25:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 03:25:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 03:25:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 03:25:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:25:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 03:25:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 03:25:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 03:25:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 03:25:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 03:25:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 03:25:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 03:25:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 03:25:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 03:25:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 03:25:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 03:25:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 03:25:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 03:25:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-20 03:25:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 03:25:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-20 03:25:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 03:25:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-20 03:25:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-20 03:25:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-20 03:25:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-20 03:25:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-20 03:25:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-20 03:25:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-20 03:25:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-20 03:25:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-20 03:25:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-20 03:25:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-20 03:25:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-20 03:25:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-20 03:25:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-20 03:25:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:25:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-20 03:25:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:25:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-20 03:25:02,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:25:02,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720947119] [2022-07-20 03:25:02,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720947119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:25:02,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:25:02,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 03:25:02,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82064513] [2022-07-20 03:25:02,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:25:02,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 03:25:02,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:25:02,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 03:25:02,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 03:25:02,424 INFO L87 Difference]: Start difference. First operand 3621 states and 5119 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-07-20 03:25:04,529 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 [] [2022-07-20 03:25:06,823 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 []