./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:26:11,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:26:11,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:26:11,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:26:11,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:26:11,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:26:11,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:26:11,473 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:26:11,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:26:11,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:26:11,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:26:11,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:26:11,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:26:11,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:26:11,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:26:11,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:26:11,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:26:11,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:26:11,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:26:11,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:26:11,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:26:11,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:26:11,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:26:11,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:26:11,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:26:11,508 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:26:11,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:26:11,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:26:11,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:26:11,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:26:11,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:26:11,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:26:11,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:26:11,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:26:11,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:26:11,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:26:11,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:26:11,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:26:11,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:26:11,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:26:11,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:26:11,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:26:11,549 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:26:11,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:26:11,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:26:11,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:26:11,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:26:11,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:26:11,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:26:11,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:26:11,552 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:26:11,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:26:11,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:26:11,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:26:11,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:26:11,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:26:11,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:26:11,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:26:11,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:26:11,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:26:11,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:26:11,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:26:11,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:26:11,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:26:11,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:26:11,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:26:11,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:26:11,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:26:11,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:26:11,556 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:26:11,556 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:26:11,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:26:11,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:26:11,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2021-12-14 18:26:11,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:26:11,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:26:11,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:26:11,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:26:11,844 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:26:11,845 INFO L432 ainManager$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 [2021-12-14 18:26:11,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f05d64d7/adbeeab2b8fc43e38cfc9e62acfabdf7/FLAG17629b6c3 [2021-12-14 18:26:12,675 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:26:12,676 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 [2021-12-14 18:26:12,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f05d64d7/adbeeab2b8fc43e38cfc9e62acfabdf7/FLAG17629b6c3 [2021-12-14 18:26:13,202 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f05d64d7/adbeeab2b8fc43e38cfc9e62acfabdf7 [2021-12-14 18:26:13,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:26:13,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:26:13,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:26:13,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:26:13,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:26:13,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:26:13" (1/1) ... [2021-12-14 18:26:13,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9e504e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:13, skipping insertion in model container [2021-12-14 18:26:13,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:26:13" (1/1) ... [2021-12-14 18:26:13,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:26:13,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:26:15,264 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] [2021-12-14 18:26:15,267 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] [2021-12-14 18:26:15,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:26:15,313 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:26:15,663 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] [2021-12-14 18:26:15,665 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] [2021-12-14 18:26:15,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:26:15,791 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:26:15,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15 WrapperNode [2021-12-14 18:26:15,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:26:15,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:26:15,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:26:15,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:26:15,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:15,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:15,996 INFO L137 Inliner]: procedures = 323, calls = 1881, calls flagged for inlining = 162, calls inlined = 153, statements flattened = 4400 [2021-12-14 18:26:15,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:26:15,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:26:15,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:26:15,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:26:16,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:16,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:16,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:16,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:16,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:16,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:16,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:16,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:26:16,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:26:16,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:26:16,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:26:16,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (1/1) ... [2021-12-14 18:26:16,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:26:16,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:26:16,296 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) [2021-12-14 18:26:16,317 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 [2021-12-14 18:26:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_dump [2021-12-14 18:26:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_dump [2021-12-14 18:26:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init_controls [2021-12-14 18:26:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init_controls [2021-12-14 18:26:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2021-12-14 18:26:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2021-12-14 18:26:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init [2021-12-14 18:26:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init [2021-12-14 18:26:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:26:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:26:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:26:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_bytes [2021-12-14 18:26:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_bytes [2021-12-14 18:26:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:26:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:26:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-12-14 18:26:16,331 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-12-14 18:26:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2021-12-14 18:26:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2021-12-14 18:26:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:26:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:26:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_stop [2021-12-14 18:26:16,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_stop [2021-12-14 18:26:16,332 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1020 [2021-12-14 18:26:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1020 [2021-12-14 18:26:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:26:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:26:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-12-14 18:26:16,333 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-12-14 18:26:16,333 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_start [2021-12-14 18:26:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_start [2021-12-14 18:26:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init [2021-12-14 18:26:16,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init [2021-12-14 18:26:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:26:16,334 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-12-14 18:26:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-12-14 18:26:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor [2021-12-14 18:26:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor [2021-12-14 18:26:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:26:16,335 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1x00 [2021-12-14 18:26:16,335 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1x00 [2021-12-14 18:26:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:26:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:26:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_s_ctrl [2021-12-14 18:26:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_s_ctrl [2021-12-14 18:26:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-14 18:26:16,336 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-14 18:26:16,336 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-14 18:26:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-14 18:26:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:26:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:26:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:26:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_s_ctrl [2021-12-14 18:26:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_s_ctrl [2021-12-14 18:26:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:26:16,337 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_init [2021-12-14 18:26:16,337 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_init [2021-12-14 18:26:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init_controls [2021-12-14 18:26:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init_controls [2021-12-14 18:26:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:26:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:26:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init_controls [2021-12-14 18:26:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init_controls [2021-12-14 18:26:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_set_state [2021-12-14 18:26:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_set_state [2021-12-14 18:26:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:26:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:26:16,338 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_start [2021-12-14 18:26:16,338 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_start [2021-12-14 18:26:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-12-14 18:26:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-12-14 18:26:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:26:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:26:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_bridge [2021-12-14 18:26:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_bridge [2021-12-14 18:26:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_stop [2021-12-14 18:26:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_stop [2021-12-14 18:26:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:26:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:26:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:26:16,339 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_nego [2021-12-14 18:26:16,339 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_nego [2021-12-14 18:26:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:26:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-14 18:26:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-14 18:26:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init [2021-12-14 18:26:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init [2021-12-14 18:26:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_probe [2021-12-14 18:26:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_probe [2021-12-14 18:26:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2021-12-14 18:26:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2021-12-14 18:26:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 18:26:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 18:26:16,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:26:16,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:26:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:26:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:26:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:26:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:26:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2021-12-14 18:26:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2021-12-14 18:26:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_reg_write_seq [2021-12-14 18:26:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_reg_write_seq [2021-12-14 18:26:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:26:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-12-14 18:26:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-12-14 18:26:16,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_10_4 [2021-12-14 18:26:16,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_10_4 [2021-12-14 18:26:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_start [2021-12-14 18:26:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_start [2021-12-14 18:26:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:26:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:26:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_s_ctrl [2021-12-14 18:26:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_s_ctrl [2021-12-14 18:26:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:26:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-12-14 18:26:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-12-14 18:26:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:26:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:26:16,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:26:16,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:26:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init [2021-12-14 18:26:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init [2021-12-14 18:26:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_sensor [2021-12-14 18:26:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_sensor [2021-12-14 18:26:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_probe [2021-12-14 18:26:16,343 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_probe [2021-12-14 18:26:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:26:16,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:26:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:26:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_stop [2021-12-14 18:26:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_stop [2021-12-14 18:26:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:26:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_stop [2021-12-14 18:26:16,344 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_stop [2021-12-14 18:26:16,344 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_probe [2021-12-14 18:26:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_probe [2021-12-14 18:26:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_stopN [2021-12-14 18:26:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_stopN [2021-12-14 18:26:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_finish [2021-12-14 18:26:16,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_finish [2021-12-14 18:26:16,345 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_dump [2021-12-14 18:26:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_dump [2021-12-14 18:26:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_dump [2021-12-14 18:26:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_dump [2021-12-14 18:26:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2021-12-14 18:26:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2021-12-14 18:26:16,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:26:16,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:26:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-14 18:26:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-14 18:26:16,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:26:16,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:26:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 18:26:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 18:26:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_s_ctrl [2021-12-14 18:26:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_s_ctrl [2021-12-14 18:26:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init_controls [2021-12-14 18:26:16,348 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init_controls [2021-12-14 18:26:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:26:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:26:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_bridge [2021-12-14 18:26:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_bridge [2021-12-14 18:26:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-12-14 18:26:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-12-14 18:26:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:26:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:26:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:26:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure sd_disconnect [2021-12-14 18:26:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_disconnect [2021-12-14 18:26:16,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:26:16,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:26:16,351 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_start [2021-12-14 18:26:16,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_start [2021-12-14 18:26:17,005 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:26:17,008 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:26:22,787 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:26:55,017 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:26:55,319 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:26:55,334 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:26:55,335 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:26:55,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:55 BoogieIcfgContainer [2021-12-14 18:26:55,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:26:55,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:26:55,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:26:55,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:26:55,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:26:13" (1/3) ... [2021-12-14 18:26:55,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549bf36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:26:55, skipping insertion in model container [2021-12-14 18:26:55,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:26:15" (2/3) ... [2021-12-14 18:26:55,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549bf36d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:26:55, skipping insertion in model container [2021-12-14 18:26:55,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:26:55" (3/3) ... [2021-12-14 18:26:55,345 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-12-14 18:26:55,349 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:26:55,350 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:26:55,395 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:26:55,401 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 [2021-12-14 18:26:55,401 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:26:55,452 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) [2021-12-14 18:26:55,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-14 18:26:55,483 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:26:55,484 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] [2021-12-14 18:26:55,484 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:26:55,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:26:55,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1183161833, now seen corresponding path program 1 times [2021-12-14 18:26:55,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:26:55,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432836736] [2021-12-14 18:26:55,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:26:55,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:26:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:26:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:26:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:26:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:26:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:26:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:26:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:26:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:26:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:26:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:26:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:26:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:26:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:26:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:26:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:26:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:26:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:26:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:26:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-14 18:26:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-14 18:26:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:26:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-14 18:26:56,974 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:26:56,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432836736] [2021-12-14 18:26:56,975 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432836736] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:26:56,975 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:26:56,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:26:56,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258209033] [2021-12-14 18:26:56,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:26:56,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:26:56,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:26:57,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:26:57,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:26:57,009 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) [2021-12-14 18:26:59,071 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 [] [2021-12-14 18:27:01,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:27:03,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:27:06,192 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 [] [2021-12-14 18:27:13,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:27:13,255 INFO L93 Difference]: Finished difference Result 5605 states and 8222 transitions. [2021-12-14 18:27:13,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:27:13,257 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 [2021-12-14 18:27:13,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:27:13,306 INFO L225 Difference]: With dead ends: 5605 [2021-12-14 18:27:13,306 INFO L226 Difference]: Without dead ends: 3708 [2021-12-14 18:27:13,328 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 [2021-12-14 18:27:13,333 INFO L933 BasicCegarLoop]: 2900 mSDtfsCounter, 3316 mSDsluCounter, 3681 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 1211 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3561 SdHoareTripleChecker+Valid, 6581 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:27:13,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3561 Valid, 6581 Invalid, 2513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1211 Valid, 1298 Invalid, 4 Unknown, 0 Unchecked, 15.7s Time] [2021-12-14 18:27:13,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2021-12-14 18:27:13,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 3472. [2021-12-14 18:27:13,584 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) [2021-12-14 18:27:13,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 5002 transitions. [2021-12-14 18:27:13,617 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 5002 transitions. Word has length 228 [2021-12-14 18:27:13,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:27:13,618 INFO L470 AbstractCegarLoop]: Abstraction has 3472 states and 5002 transitions. [2021-12-14 18:27:13,618 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) [2021-12-14 18:27:13,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 5002 transitions. [2021-12-14 18:27:13,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-14 18:27:13,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:27:13,628 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] [2021-12-14 18:27:13,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:27:13,629 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:27:13,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:27:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1929742906, now seen corresponding path program 1 times [2021-12-14 18:27:13,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:27:13,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264387891] [2021-12-14 18:27:13,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:27:13,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:27:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:27:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:27:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:27:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:27:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:27:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:27:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:27:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:27:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:27:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:27:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:27:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:27:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:27:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:27:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:27:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:27:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:27:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:27:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-14 18:27:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:27:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:27:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-14 18:27:14,541 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:27:14,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264387891] [2021-12-14 18:27:14,541 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264387891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:27:14,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:27:14,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:27:14,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919931331] [2021-12-14 18:27:14,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:27:14,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:27:14,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:27:14,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:27:14,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:27:14,549 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)