./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 35987657 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-?-3598765 [2022-07-21 14:51:33,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:51:33,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:51:33,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:51:33,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:51:33,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:51:33,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:51:33,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:51:33,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:51:33,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:51:33,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:51:33,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:51:33,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:51:33,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:51:33,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:51:33,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:51:33,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:51:33,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:51:33,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:51:33,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:51:33,255 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:51:33,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:51:33,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:51:33,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:51:33,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:51:33,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:51:33,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:51:33,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:51:33,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:51:33,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:51:33,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:51:33,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:51:33,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:51:33,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:51:33,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:51:33,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:51:33,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:51:33,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:51:33,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:51:33,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:51:33,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:51:33,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:51:33,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:51:33,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:51:33,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:51:33,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:51:33,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:51:33,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:51:33,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:51:33,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:51:33,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:51:33,313 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:51:33,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:51:33,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:51:33,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:51:33,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:51:33,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:51:33,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:51:33,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:51:33,315 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:51:33,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:51:33,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:51:33,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:51:33,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:51:33,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:51:33,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:51:33,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:51:33,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:51:33,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:51:33,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:51:33,317 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:51:33,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:51:33,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:51:33,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59473e3c2ae80c2e7996950da3475e9070fa07527cbe1064da7145ffd0ce24e6 [2022-07-21 14:51:33,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:51:33,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:51:33,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:51:33,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:51:33,660 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:51:33,661 INFO L432 ainManager$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 [2022-07-21 14:51:33,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/115762275/81c8584ad1bf42daa26b040ba1d46475/FLAGbc2c746cf [2022-07-21 14:51:34,631 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:51:34,632 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 [2022-07-21 14:51:34,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/115762275/81c8584ad1bf42daa26b040ba1d46475/FLAGbc2c746cf [2022-07-21 14:51:35,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/115762275/81c8584ad1bf42daa26b040ba1d46475 [2022-07-21 14:51:35,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:51:35,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:51:35,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:51:35,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:51:35,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:51:35,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:51:35" (1/1) ... [2022-07-21 14:51:35,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1042dcaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:35, skipping insertion in model container [2022-07-21 14:51:35,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:51:35" (1/1) ... [2022-07-21 14:51:35,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:51:35,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:51:36,735 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] [2022-07-21 14:51:36,738 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] [2022-07-21 14:51:36,743 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] [2022-07-21 14:51:36,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359367,359380] [2022-07-21 14:51:36,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:51:36,820 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:51:37,139 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] [2022-07-21 14:51:37,140 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] [2022-07-21 14:51:37,141 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] [2022-07-21 14:51:37,141 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] [2022-07-21 14:51:37,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:51:37,530 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:51:37,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37 WrapperNode [2022-07-21 14:51:37,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:51:37,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:51:37,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:51:37,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:51:37,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,729 INFO L137 Inliner]: procedures = 258, calls = 1715, calls flagged for inlining = 142, calls inlined = 128, statements flattened = 3724 [2022-07-21 14:51:37,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:51:37,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:51:37,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:51:37,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:51:37,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:51:37,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:51:37,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:51:37,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:51:37,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (1/1) ... [2022-07-21 14:51:37,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:51:38,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:51:38,012 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) [2022-07-21 14:51:38,036 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 [2022-07-21 14:51:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_xfer [2022-07-21 14:51:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_xfer [2022-07-21 14:51:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2022-07-21 14:51:38,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2022-07-21 14:51:38,053 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach_vp7049 [2022-07-21 14:51:38,054 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach_vp7049 [2022-07-21 14:51:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-07-21 14:51:38,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-07-21 14:51:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 14:51:38,054 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 14:51:38,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:51:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2022-07-21 14:51:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2022-07-21 14:51:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:51:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:51:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:51:38,055 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt2060_tuner_attach [2022-07-21 14:51:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt2060_tuner_attach [2022-07-21 14:51:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_61_tuner_attach [2022-07-21 14:51:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_61_tuner_attach [2022-07-21 14:51:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-07-21 14:51:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-07-21 14:51:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2022-07-21 14:51:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2022-07-21 14:51:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:51:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:51:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_update_filters [2022-07-21 14:51:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_update_filters [2022-07-21 14:51:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write_seq [2022-07-21 14:51:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write_seq [2022-07-21 14:51:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_60_tuner_attach [2022-07-21 14:51:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_60_tuner_attach [2022-07-21 14:51:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-21 14:51:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-21 14:51:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter_ctrl [2022-07-21 14:51:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter_ctrl [2022-07-21 14:51:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 14:51:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 14:51:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_probe [2022-07-21 14:51:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_probe [2022-07-21 14:51:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:51:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_rc_query [2022-07-21 14:51:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_rc_query [2022-07-21 14:51:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2022-07-21 14:51:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2022-07-21 14:51:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:51:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:51:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:51:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:51:38,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:51:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 14:51:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 14:51:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_parse_rc_state [2022-07-21 14:51:38,062 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_parse_rc_state [2022-07-21 14:51:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:51:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:51:38,063 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_firmware_download [2022-07-21 14:51:38,063 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_firmware_download [2022-07-21 14:51:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 14:51:38,064 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 14:51:38,064 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter [2022-07-21 14:51:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter [2022-07-21 14:51:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:51:38,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:51:38,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:51:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 14:51:38,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 14:51:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:51:38,066 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_0b_frontend_attach [2022-07-21 14:51:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_0b_frontend_attach [2022-07-21 14:51:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:51:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:51:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:51:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 14:51:38,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 14:51:38,067 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach [2022-07-21 14:51:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach [2022-07-21 14:51:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 14:51:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-21 14:51:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 14:51:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 14:51:38,068 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:51:38,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:51:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 14:51:38,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 14:51:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:51:38,069 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_08_frontend_attach [2022-07-21 14:51:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_08_frontend_attach [2022-07-21 14:51:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_qt1010_tuner_attach [2022-07-21 14:51:38,070 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_qt1010_tuner_attach [2022-07-21 14:51:38,070 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_demod_init [2022-07-21 14:51:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_demod_init [2022-07-21 14:51:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:51:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write [2022-07-21 14:51:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write [2022-07-21 14:51:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:51:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:51:38,071 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_fmd1216me_tuner_attach [2022-07-21 14:51:38,071 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_fmd1216me_tuner_attach [2022-07-21 14:51:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:51:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:51:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:51:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:51:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:51:38,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:51:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 14:51:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 14:51:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-21 14:51:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-21 14:51:38,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:51:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:51:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_set_filter [2022-07-21 14:51:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_set_filter [2022-07-21 14:51:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_identify_state [2022-07-21 14:51:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_identify_state [2022-07-21 14:51:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:51:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:51:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:51:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_func [2022-07-21 14:51:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_func [2022-07-21 14:51:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:51:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:51:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_read [2022-07-21 14:51:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_read [2022-07-21 14:51:38,720 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:51:38,722 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:51:40,373 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:54:53,509 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:54:53,625 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:54:53,640 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:54:53,641 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 14:54:53,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:54:53 BoogieIcfgContainer [2022-07-21 14:54:53,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:54:53,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:54:53,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:54:53,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:54:53,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:51:35" (1/3) ... [2022-07-21 14:54:53,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c23b59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:54:53, skipping insertion in model container [2022-07-21 14:54:53,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:51:37" (2/3) ... [2022-07-21 14:54:53,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c23b59d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:54:53, skipping insertion in model container [2022-07-21 14:54:53,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:54:53" (3/3) ... [2022-07-21 14:54:53,651 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2022-07-21 14:54:53,663 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:54:53,664 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 14:54:53,744 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:54:53,753 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@2e4e8e41, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5a4808b2 [2022-07-21 14:54:53,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 14:54:53,763 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) [2022-07-21 14:54:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2022-07-21 14:54:53,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:54:53,812 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] [2022-07-21 14:54:53,812 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)] === [2022-07-21 14:54:53,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:54:53,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1254115713, now seen corresponding path program 1 times [2022-07-21 14:54:53,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:54:53,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202688672] [2022-07-21 14:54:53,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:54:53,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:54:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:54:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:54:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:54:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:54:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:54:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:54:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:54:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:54:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:54:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:54:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:54:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:54:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:54:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:54:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:54:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:54:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:54:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:54:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:54:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:54:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:54:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:54:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:54:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:54:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:54:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:54:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:54:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:54:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:54:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:54:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:54:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:54:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 14:54:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 14:54:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 14:54:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 14:54:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-21 14:54:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 14:54:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 14:54:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 14:54:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 14:54:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-21 14:54:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-21 14:54:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-21 14:54:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 14:54:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 14:54:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-21 14:54:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-21 14:54:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-21 14:54:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 14:54:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-21 14:54:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-21 14:54:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-21 14:54:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-21 14:54:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:54:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-21 14:54:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-21 14:54:57,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:54:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-21 14:54:57,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:54:57,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202688672] [2022-07-21 14:54:57,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202688672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:54:57,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:54:57,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:54:57,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587052714] [2022-07-21 14:54:57,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:54:57,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:54:57,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:54:57,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:54:57,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:54:57,418 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) [2022-07-21 14:54:59,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:01,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:04,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:06,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:08,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:12,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:17,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:55:17,324 INFO L93 Difference]: Finished difference Result 4102 states and 6121 transitions. [2022-07-21 14:55:17,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:55:17,327 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 [2022-07-21 14:55:17,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:55:17,371 INFO L225 Difference]: With dead ends: 4102 [2022-07-21 14:55:17,371 INFO L226 Difference]: Without dead ends: 2859 [2022-07-21 14:55:17,387 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 [2022-07-21 14:55:17,390 INFO L413 NwaCegarLoop]: 2082 mSDtfsCounter, 2658 mSDsluCounter, 2429 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 856 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2849 SdHoareTripleChecker+Valid, 4511 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 856 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:55:17,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2849 Valid, 4511 Invalid, 2034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [856 Valid, 1174 Invalid, 4 Unknown, 0 Unchecked, 19.4s Time] [2022-07-21 14:55:17,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2022-07-21 14:55:17,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2448. [2022-07-21 14:55:17,629 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) [2022-07-21 14:55:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 3471 transitions. [2022-07-21 14:55:17,675 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 3471 transitions. Word has length 624 [2022-07-21 14:55:17,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:55:17,682 INFO L495 AbstractCegarLoop]: Abstraction has 2448 states and 3471 transitions. [2022-07-21 14:55:17,682 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) [2022-07-21 14:55:17,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 3471 transitions. [2022-07-21 14:55:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-07-21 14:55:17,702 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:55:17,703 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] [2022-07-21 14:55:17,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:55:17,703 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)] === [2022-07-21 14:55:17,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:55:17,704 INFO L85 PathProgramCache]: Analyzing trace with hash -235046117, now seen corresponding path program 1 times [2022-07-21 14:55:17,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:55:17,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128653687] [2022-07-21 14:55:17,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:55:17,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:55:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:18,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:55:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:18,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:55:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:55:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:18,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:55:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:55:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:55:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:55:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:55:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:55:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:55:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:55:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:55:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:55:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:55:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:55:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:55:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:55:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:55:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:55:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:55:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:55:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:55:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:55:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:55:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:55:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:55:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:55:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:55:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:55:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:55:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:55:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:55:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 14:55:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 14:55:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 14:55:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 14:55:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-21 14:55:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 14:55:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 14:55:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 14:55:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 14:55:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-21 14:55:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-21 14:55:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-21 14:55:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 14:55:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 14:55:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-21 14:55:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-21 14:55:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-21 14:55:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 14:55:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-21 14:55:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-21 14:55:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-21 14:55:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-21 14:55:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-21 14:55:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-21 14:55:20,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:55:20,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128653687] [2022-07-21 14:55:20,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128653687] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:55:20,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:55:20,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:55:20,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869253635] [2022-07-21 14:55:20,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:55:20,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:55:20,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:55:20,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:55:20,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:55:20,514 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) [2022-07-21 14:55:22,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:24,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:27,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:29,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:34,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:39,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:55:39,073 INFO L93 Difference]: Finished difference Result 6585 states and 9561 transitions. [2022-07-21 14:55:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:55:39,074 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 [2022-07-21 14:55:39,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:55:39,103 INFO L225 Difference]: With dead ends: 6585 [2022-07-21 14:55:39,103 INFO L226 Difference]: Without dead ends: 4250 [2022-07-21 14:55:39,116 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 [2022-07-21 14:55:39,117 INFO L413 NwaCegarLoop]: 2117 mSDtfsCounter, 2709 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 1170 mSolverCounterSat, 856 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2899 SdHoareTripleChecker+Valid, 4736 SdHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 856 IncrementalHoareTripleChecker+Valid, 1170 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:55:39,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2899 Valid, 4736 Invalid, 2029 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [856 Valid, 1170 Invalid, 3 Unknown, 0 Unchecked, 18.1s Time] [2022-07-21 14:55:39,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4250 states. [2022-07-21 14:55:39,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4250 to 3621. [2022-07-21 14:55:39,283 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) [2022-07-21 14:55:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 5119 transitions. [2022-07-21 14:55:39,310 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 5119 transitions. Word has length 629 [2022-07-21 14:55:39,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:55:39,312 INFO L495 AbstractCegarLoop]: Abstraction has 3621 states and 5119 transitions. [2022-07-21 14:55:39,312 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) [2022-07-21 14:55:39,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 5119 transitions. [2022-07-21 14:55:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2022-07-21 14:55:39,329 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:55:39,330 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] [2022-07-21 14:55:39,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:55:39,330 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)] === [2022-07-21 14:55:39,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:55:39,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1174190057, now seen corresponding path program 1 times [2022-07-21 14:55:39,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:55:39,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371846902] [2022-07-21 14:55:39,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:55:39,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:55:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:55:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:55:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:55:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:55:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:55:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:55:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:55:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:55:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:55:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:55:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:55:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:55:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:55:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:55:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:55:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:55:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:55:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:55:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:55:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:55:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:55:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:55:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:55:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:55:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:55:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:55:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:40,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:55:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:55:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:55:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 14:55:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:55:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 14:55:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 14:55:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 14:55:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 14:55:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-21 14:55:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-21 14:55:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-21 14:55:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-21 14:55:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-21 14:55:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 14:55:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-21 14:55:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-21 14:55:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-21 14:55:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-21 14:55:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-21 14:55:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-21 14:55:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-21 14:55:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-21 14:55:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 14:55:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-07-21 14:55:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-21 14:55:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-21 14:55:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-21 14:55:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:55:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 599 [2022-07-21 14:55:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:55:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2022-07-21 14:55:41,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:55:41,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371846902] [2022-07-21 14:55:41,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371846902] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:55:41,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:55:41,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:55:41,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428236701] [2022-07-21 14:55:41,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:55:41,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:55:41,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:55:41,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:55:41,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:55:41,920 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) [2022-07-21 14:55:44,026 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:46,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:49,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:55:54,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []