./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.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 db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:20:19,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:20:19,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:20:19,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:20:19,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:20:19,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:20:19,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:20:19,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:20:19,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:20:19,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:20:19,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:20:19,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:20:19,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:20:19,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:20:19,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:20:19,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:20:19,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:20:19,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:20:19,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:20:19,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:20:19,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:20:19,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:20:19,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:20:19,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:20:19,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:20:19,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:20:19,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:20:19,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:20:19,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:20:19,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:20:19,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:20:19,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:20:19,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:20:19,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:20:19,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:20:19,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:20:19,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:20:19,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:20:19,305 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:20:19,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:20:19,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:20:19,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:20:19,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:20:19,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:20:19,335 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:20:19,335 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:20:19,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:20:19,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:20:19,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:20:19,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:20:19,337 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:20:19,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:20:19,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:20:19,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:20:19,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:20:19,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:20:19,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:20:19,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:20:19,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:20:19,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:20:19,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:20:19,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:20:19,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:20:19,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:20:19,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:20:19,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:20:19,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:20:19,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:20:19,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:20:19,340 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:20:19,340 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:20:19,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:20:19,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:20:19,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2021-12-22 15:20:19,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:20:19,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:20:19,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:20:19,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:20:19,545 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:20:19,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-12-22 15:20:19,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8997270fc/70aea98fe8884126b5eb054a18f14f1e/FLAG9d375edfb [2021-12-22 15:20:20,172 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:20:20,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-12-22 15:20:20,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8997270fc/70aea98fe8884126b5eb054a18f14f1e/FLAG9d375edfb [2021-12-22 15:20:20,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8997270fc/70aea98fe8884126b5eb054a18f14f1e [2021-12-22 15:20:20,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:20:20,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:20:20,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:20:20,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:20:20,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:20:20,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:20:20" (1/1) ... [2021-12-22 15:20:20,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6694f241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:20, skipping insertion in model container [2021-12-22 15:20:20,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:20:20" (1/1) ... [2021-12-22 15:20:20,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:20:20,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:20:21,888 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2021-12-22 15:20:21,890 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2021-12-22 15:20:21,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:20:21,929 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:20:22,211 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297133,297146] [2021-12-22 15:20:22,212 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i[297278,297291] [2021-12-22 15:20:22,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:20:22,304 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:20:22,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22 WrapperNode [2021-12-22 15:20:22,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:20:22,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:20:22,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:20:22,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:20:22,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,506 INFO L137 Inliner]: procedures = 323, calls = 1881, calls flagged for inlining = 162, calls inlined = 153, statements flattened = 4400 [2021-12-22 15:20:22,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:20:22,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:20:22,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:20:22,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:20:22,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:20:22,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:20:22,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:20:22,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:20:22,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (1/1) ... [2021-12-22 15:20:22,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:20:22,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:20:22,712 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:20:22,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:20:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_dump [2021-12-22 15:20:22,751 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_dump [2021-12-22 15:20:22,751 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init_controls [2021-12-22 15:20:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init_controls [2021-12-22 15:20:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2021-12-22 15:20:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2021-12-22 15:20:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init [2021-12-22 15:20:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init [2021-12-22 15:20:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:20:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:20:22,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:20:22,752 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_bytes [2021-12-22 15:20:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_bytes [2021-12-22 15:20:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:20:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:20:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-12-22 15:20:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-12-22 15:20:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2021-12-22 15:20:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2021-12-22 15:20:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:20:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:20:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_stop [2021-12-22 15:20:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_stop [2021-12-22 15:20:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1020 [2021-12-22 15:20:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1020 [2021-12-22 15:20:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:20:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:20:22,754 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-12-22 15:20:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-12-22 15:20:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_start [2021-12-22 15:20:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_start [2021-12-22 15:20:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init [2021-12-22 15:20:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init [2021-12-22 15:20:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:20:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-12-22 15:20:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-12-22 15:20:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor [2021-12-22 15:20:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor [2021-12-22 15:20:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:20:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1x00 [2021-12-22 15:20:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1x00 [2021-12-22 15:20:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:20:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:20:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_s_ctrl [2021-12-22 15:20:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_s_ctrl [2021-12-22 15:20:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-22 15:20:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-22 15:20:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-22 15:20:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-22 15:20:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:20:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:20:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:20:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_s_ctrl [2021-12-22 15:20:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_s_ctrl [2021-12-22 15:20:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:20:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_init [2021-12-22 15:20:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_init [2021-12-22 15:20:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init_controls [2021-12-22 15:20:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init_controls [2021-12-22 15:20:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:20:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:20:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init_controls [2021-12-22 15:20:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init_controls [2021-12-22 15:20:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_set_state [2021-12-22 15:20:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_set_state [2021-12-22 15:20:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:20:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:20:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_start [2021-12-22 15:20:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_start [2021-12-22 15:20:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-12-22 15:20:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-12-22 15:20:22,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:20:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:20:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_bridge [2021-12-22 15:20:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_bridge [2021-12-22 15:20:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_stop [2021-12-22 15:20:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_stop [2021-12-22 15:20:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:20:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:20:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:20:22,759 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_nego [2021-12-22 15:20:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_nego [2021-12-22 15:20:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:20:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-22 15:20:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-22 15:20:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init [2021-12-22 15:20:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init [2021-12-22 15:20:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_probe [2021-12-22 15:20:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_probe [2021-12-22 15:20:22,760 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2021-12-22 15:20:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2021-12-22 15:20:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-22 15:20:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-22 15:20:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:20:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:20:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:20:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:20:22,761 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:20:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:20:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2021-12-22 15:20:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2021-12-22 15:20:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_reg_write_seq [2021-12-22 15:20:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_reg_write_seq [2021-12-22 15:20:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:20:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-12-22 15:20:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-12-22 15:20:22,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_10_4 [2021-12-22 15:20:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_10_4 [2021-12-22 15:20:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_start [2021-12-22 15:20:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_start [2021-12-22 15:20:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:20:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:20:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_s_ctrl [2021-12-22 15:20:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_s_ctrl [2021-12-22 15:20:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:20:22,763 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-12-22 15:20:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-12-22 15:20:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:20:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:20:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:20:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:20:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init [2021-12-22 15:20:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init [2021-12-22 15:20:22,764 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_sensor [2021-12-22 15:20:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_sensor [2021-12-22 15:20:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_probe [2021-12-22 15:20:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_probe [2021-12-22 15:20:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:20:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:20:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:20:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_stop [2021-12-22 15:20:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_stop [2021-12-22 15:20:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:20:22,765 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_stop [2021-12-22 15:20:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_stop [2021-12-22 15:20:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_probe [2021-12-22 15:20:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_probe [2021-12-22 15:20:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_stopN [2021-12-22 15:20:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_stopN [2021-12-22 15:20:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_finish [2021-12-22 15:20:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_finish [2021-12-22 15:20:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_dump [2021-12-22 15:20:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_dump [2021-12-22 15:20:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_dump [2021-12-22 15:20:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_dump [2021-12-22 15:20:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2021-12-22 15:20:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2021-12-22 15:20:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:20:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:20:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-22 15:20:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-22 15:20:22,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:20:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:20:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:20:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:20:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_s_ctrl [2021-12-22 15:20:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_s_ctrl [2021-12-22 15:20:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init_controls [2021-12-22 15:20:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init_controls [2021-12-22 15:20:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:20:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:20:22,768 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_bridge [2021-12-22 15:20:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_bridge [2021-12-22 15:20:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-12-22 15:20:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-12-22 15:20:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:20:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:20:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:20:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure sd_disconnect [2021-12-22 15:20:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_disconnect [2021-12-22 15:20:22,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:20:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:20:22,770 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_start [2021-12-22 15:20:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_start [2021-12-22 15:20:23,315 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:20:23,317 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:20:28,763 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:21:00,519 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:21:00,789 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:21:00,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:21:00,802 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:21:00,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:21:00 BoogieIcfgContainer [2021-12-22 15:21:00,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:21:00,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:21:00,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:21:00,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:21:00,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:20:20" (1/3) ... [2021-12-22 15:21:00,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57bd9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:21:00, skipping insertion in model container [2021-12-22 15:21:00,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:20:22" (2/3) ... [2021-12-22 15:21:00,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57bd9d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:21:00, skipping insertion in model container [2021-12-22 15:21:00,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:21:00" (3/3) ... [2021-12-22 15:21:00,817 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-12-22 15:21:00,820 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:21:00,820 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:21:00,873 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:21:00,878 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:21:00,878 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:21:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand has 1864 states, 1342 states have (on average 1.3464977645305514) internal successors, (1807), 1344 states have internal predecessors, (1807), 442 states have call successors, (442), 80 states have call predecessors, (442), 79 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) [2021-12-22 15:21:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-22 15:21:00,946 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:00,947 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:21:00,948 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:00,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:00,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1183161833, now seen corresponding path program 1 times [2021-12-22 15:21:00,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:00,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530882118] [2021-12-22 15:21:00,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:00,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:21:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:21:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:21:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:21:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:21:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:21:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:21:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:01,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:02,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:21:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:21:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:02,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:21:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:02,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-22 15:21:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-22 15:21:02,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:02,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530882118] [2021-12-22 15:21:02,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530882118] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:02,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:02,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:21:02,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844706136] [2021-12-22 15:21:02,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:02,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:21:02,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:02,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:21:02,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:21:02,113 INFO L87 Difference]: Start difference. First operand has 1864 states, 1342 states have (on average 1.3464977645305514) internal successors, (1807), 1344 states have internal predecessors, (1807), 442 states have call successors, (442), 80 states have call predecessors, (442), 79 states have return successors, (435), 435 states have call predecessors, (435), 435 states have call successors, (435) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:21:04,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:21:06,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:21:08,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:21:11,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:21:17,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:21:17,372 INFO L93 Difference]: Finished difference Result 5605 states and 8222 transitions. [2021-12-22 15:21:17,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:21:17,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2021-12-22 15:21:17,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:21:17,430 INFO L225 Difference]: With dead ends: 5605 [2021-12-22 15:21:17,430 INFO L226 Difference]: Without dead ends: 3708 [2021-12-22 15:21:17,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:21:17,452 INFO L933 BasicCegarLoop]: 2904 mSDtfsCounter, 3316 mSDsluCounter, 3691 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 1211 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 6595 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-12-22 15:21:17,453 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3563 Valid, 6595 Invalid, 2513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1211 Valid, 1298 Invalid, 4 Unknown, 0 Unchecked, 14.8s Time] [2021-12-22 15:21:17,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2021-12-22 15:21:17,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 3472. [2021-12-22 15:21:17,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3472 states, 2537 states have (on average 1.351202207331494) internal successors, (3428), 2541 states have internal predecessors, (3428), 787 states have call successors, (787), 147 states have call predecessors, (787), 147 states have return successors, (787), 785 states have call predecessors, (787), 787 states have call successors, (787) [2021-12-22 15:21:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 5002 transitions. [2021-12-22 15:21:17,679 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 5002 transitions. Word has length 228 [2021-12-22 15:21:17,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:21:17,682 INFO L470 AbstractCegarLoop]: Abstraction has 3472 states and 5002 transitions. [2021-12-22 15:21:17,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:21:17,683 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 5002 transitions. [2021-12-22 15:21:17,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-22 15:21:17,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:17,693 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:21:17,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:21:17,693 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:17,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:17,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1929742906, now seen corresponding path program 1 times [2021-12-22 15:21:17,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:17,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498639343] [2021-12-22 15:21:17,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:17,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:21:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:21:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:21:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:21:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:21:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:21:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:21:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:21:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:21:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:21:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:21:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-22 15:21:18,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:18,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498639343] [2021-12-22 15:21:18,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498639343] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:18,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:18,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:21:18,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942085559] [2021-12-22 15:21:18,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:18,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:21:18,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:18,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:21:18,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:21:18,423 INFO L87 Difference]: Start difference. First operand 3472 states and 5002 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:21:20,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:21:22,527 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:21:25,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []