./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 ae007674 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-ae00767 [2021-12-28 04:38:27,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:38:27,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:38:27,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:38:27,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:38:27,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:38:27,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:38:27,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:38:27,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:38:27,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:38:27,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:38:27,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:38:27,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:38:27,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:38:27,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:38:27,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:38:27,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:38:27,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:38:27,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:38:27,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:38:27,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:38:27,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:38:27,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:38:27,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:38:27,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:38:27,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:38:27,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:38:27,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:38:27,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:38:27,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:38:27,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:38:27,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:38:27,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:38:27,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:38:27,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:38:27,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:38:27,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:38:27,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:38:27,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:38:27,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:38:27,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:38:27,426 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:38:27,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:38:27,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:38:27,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:38:27,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:38:27,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:38:27,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:38:27,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:38:27,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:38:27,457 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:38:27,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:38:27,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:38:27,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:38:27,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:38:27,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:38:27,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:38:27,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:38:27,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:38:27,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:38:27,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:38:27,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:38:27,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:38:27,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:38:27,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:38:27,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:38:27,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:38:27,461 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:38:27,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:38:27,461 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:38:27,461 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:38:27,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:38:27,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db9df3fec87d6b9c36faf813a91a46a081cd02854907cc9bcc81712e1820716c [2021-12-28 04:38:27,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:38:27,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:38:27,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:38:27,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:38:27,754 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:38:27,755 INFO L432 ainManager$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 [2021-12-28 04:38:27,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a43ab88cd/52f4c6a3701b4ef5a6849284010c623e/FLAG2c2c23bb5 [2021-12-28 04:38:28,398 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:38:28,398 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 [2021-12-28 04:38:28,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a43ab88cd/52f4c6a3701b4ef5a6849284010c623e/FLAG2c2c23bb5 [2021-12-28 04:38:28,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a43ab88cd/52f4c6a3701b4ef5a6849284010c623e [2021-12-28 04:38:28,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:38:28,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:38:28,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:38:28,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:38:28,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:38:28,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:38:28" (1/1) ... [2021-12-28 04:38:28,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253bc5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:28, skipping insertion in model container [2021-12-28 04:38:28,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:38:28" (1/1) ... [2021-12-28 04:38:28,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:38:28,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:38:29,974 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] [2021-12-28 04:38:29,976 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] [2021-12-28 04:38:29,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:38:30,013 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:38:30,296 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] [2021-12-28 04:38:30,297 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] [2021-12-28 04:38:30,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:38:30,412 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:38:30,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30 WrapperNode [2021-12-28 04:38:30,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:38:30,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:38:30,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:38:30,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:38:30,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,630 INFO L137 Inliner]: procedures = 323, calls = 1881, calls flagged for inlining = 162, calls inlined = 153, statements flattened = 4400 [2021-12-28 04:38:30,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:38:30,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:38:30,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:38:30,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:38:30,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:38:30,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:38:30,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:38:30,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:38:30,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (1/1) ... [2021-12-28 04:38:30,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:38:30,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:38:30,908 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) [2021-12-28 04:38:30,926 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 [2021-12-28 04:38:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_dump [2021-12-28 04:38:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_dump [2021-12-28 04:38:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init_controls [2021-12-28 04:38:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init_controls [2021-12-28 04:38:30,936 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init_controls [2021-12-28 04:38:30,936 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init_controls [2021-12-28 04:38:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init [2021-12-28 04:38:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init [2021-12-28 04:38:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:38:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:38:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:38:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_bytes [2021-12-28 04:38:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_bytes [2021-12-28 04:38:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:38:30,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:38:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-12-28 04:38:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-12-28 04:38:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2021-12-28 04:38:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_sd_driver_exit_14_2 [2021-12-28 04:38:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:38:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:38:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_stop [2021-12-28 04:38:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_stop [2021-12-28 04:38:30,939 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1020 [2021-12-28 04:38:30,939 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1020 [2021-12-28 04:38:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:38:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:38:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-12-28 04:38:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-12-28 04:38:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_start [2021-12-28 04:38:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_start [2021-12-28 04:38:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_init [2021-12-28 04:38:30,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_init [2021-12-28 04:38:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:38:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-12-28 04:38:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-12-28 04:38:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor [2021-12-28 04:38:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor [2021-12-28 04:38:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:38:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_probe_1x00 [2021-12-28 04:38:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_probe_1x00 [2021-12-28 04:38:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:38:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:38:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_s_ctrl [2021-12-28 04:38:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_s_ctrl [2021-12-28 04:38:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-12-28 04:38:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-12-28 04:38:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-12-28 04:38:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-12-28 04:38:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:38:30,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:38:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:38:30,943 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_s_ctrl [2021-12-28 04:38:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_s_ctrl [2021-12-28 04:38:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:38:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_init [2021-12-28 04:38:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_init [2021-12-28 04:38:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init_controls [2021-12-28 04:38:30,945 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init_controls [2021-12-28 04:38:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 04:38:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 04:38:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init_controls [2021-12-28 04:38:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init_controls [2021-12-28 04:38:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_set_state [2021-12-28 04:38:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_set_state [2021-12-28 04:38:30,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:38:30,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:38:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_start [2021-12-28 04:38:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_start [2021-12-28 04:38:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-12-28 04:38:30,947 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-12-28 04:38:30,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:38:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:38:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_bridge [2021-12-28 04:38:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_bridge [2021-12-28 04:38:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_stop [2021-12-28 04:38:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_stop [2021-12-28 04:38:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:38:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:38:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:38:30,948 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_isoc_nego [2021-12-28 04:38:30,948 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_isoc_nego [2021-12-28 04:38:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:38:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-28 04:38:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-28 04:38:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_init [2021-12-28 04:38:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_init [2021-12-28 04:38:30,949 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_probe [2021-12-28 04:38:30,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_probe [2021-12-28 04:38:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_init [2021-12-28 04:38:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_init [2021-12-28 04:38:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-28 04:38:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-28 04:38:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:38:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:38:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:38:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:38:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:38:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:38:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_start [2021-12-28 04:38:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_start [2021-12-28 04:38:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_reg_write_seq [2021-12-28 04:38:30,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_reg_write_seq [2021-12-28 04:38:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:38:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-12-28 04:38:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-12-28 04:38:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_10_4 [2021-12-28 04:38:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_10_4 [2021-12-28 04:38:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_start [2021-12-28 04:38:30,952 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_start [2021-12-28 04:38:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:38:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:38:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_s_ctrl [2021-12-28 04:38:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_s_ctrl [2021-12-28 04:38:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:38:30,953 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-12-28 04:38:30,954 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-12-28 04:38:30,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-28 04:38:30,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-28 04:38:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:38:30,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:38:30,956 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_init [2021-12-28 04:38:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_init [2021-12-28 04:38:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_read_sensor [2021-12-28 04:38:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_read_sensor [2021-12-28 04:38:30,957 INFO L130 BoogieDeclarations]: Found specification of procedure vv6410_probe [2021-12-28 04:38:30,957 INFO L138 BoogieDeclarations]: Found implementation of procedure vv6410_probe [2021-12-28 04:38:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:38:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:38:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:38:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_stop [2021-12-28 04:38:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_stop [2021-12-28 04:38:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:38:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_stop [2021-12-28 04:38:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_stop [2021-12-28 04:38:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_probe [2021-12-28 04:38:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_probe [2021-12-28 04:38:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_stopN [2021-12-28 04:38:30,959 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_stopN [2021-12-28 04:38:30,959 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_sensor_finish [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_sensor_finish [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure hdcs_dump [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure hdcs_dump [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_dump [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_dump [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_custom [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_custom [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_s_ctrl [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_s_ctrl [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure st6422_init_controls [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure st6422_init_controls [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:38:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure stv06xx_write_bridge [2021-12-28 04:38:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure stv06xx_write_bridge [2021-12-28 04:38:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_init_class [2021-12-28 04:38:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_init_class [2021-12-28 04:38:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:38:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:38:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:38:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure sd_disconnect [2021-12-28 04:38:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_disconnect [2021-12-28 04:38:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:38:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:38:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure pb0100_start [2021-12-28 04:38:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pb0100_start [2021-12-28 04:38:31,553 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:38:31,556 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:38:36,924 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:39:07,390 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:39:07,641 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:39:07,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:39:07,653 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:39:07,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:39:07 BoogieIcfgContainer [2021-12-28 04:39:07,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:39:07,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:39:07,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:39:07,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:39:07,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:38:28" (1/3) ... [2021-12-28 04:39:07,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416bb496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:39:07, skipping insertion in model container [2021-12-28 04:39:07,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:38:30" (2/3) ... [2021-12-28 04:39:07,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416bb496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:39:07, skipping insertion in model container [2021-12-28 04:39:07,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:39:07" (3/3) ... [2021-12-28 04:39:07,661 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-usb-gspca-stv06xx-gspca_stv06xx.cil.i [2021-12-28 04:39:07,664 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:39:07,664 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:39:07,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:39:07,701 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 [2021-12-28 04:39:07,701 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:39:07,731 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) [2021-12-28 04:39:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-12-28 04:39:07,751 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:07,752 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] [2021-12-28 04:39:07,752 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:07,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:07,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1183161833, now seen corresponding path program 1 times [2021-12-28 04:39:07,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:07,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190887693] [2021-12-28 04:39:07,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:07,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:39:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:39:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:39:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:39:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:39:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:39:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:39:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:39:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:39:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:39:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:39:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:39:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:39:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:39:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:39:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:39:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:39:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:39:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-28 04:39:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 04:39:08,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:08,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190887693] [2021-12-28 04:39:08,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190887693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:08,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:08,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:39:08,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170666986] [2021-12-28 04:39:08,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:08,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:39:08,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:08,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:39:08,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:39:08,730 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) [2021-12-28 04:39:10,790 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 [] [2021-12-28 04:39:12,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:39:15,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:39:17,690 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 [] [2021-12-28 04:39:24,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:39:24,049 INFO L93 Difference]: Finished difference Result 5605 states and 8222 transitions. [2021-12-28 04:39:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-28 04:39:24,051 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 [2021-12-28 04:39:24,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:39:24,091 INFO L225 Difference]: With dead ends: 5605 [2021-12-28 04:39:24,091 INFO L226 Difference]: Without dead ends: 3708 [2021-12-28 04:39:24,106 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 [2021-12-28 04:39:24,110 INFO L933 BasicCegarLoop]: 2902 mSDtfsCounter, 3316 mSDsluCounter, 3477 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 1211 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3561 SdHoareTripleChecker+Valid, 6379 SdHoareTripleChecker+Invalid, 2721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1211 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2021-12-28 04:39:24,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3561 Valid, 6379 Invalid, 2721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1211 Valid, 1506 Invalid, 4 Unknown, 0 Unchecked, 14.8s Time] [2021-12-28 04:39:24,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2021-12-28 04:39:24,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 3472. [2021-12-28 04:39:24,291 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) [2021-12-28 04:39:24,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 3472 states and 5002 transitions. [2021-12-28 04:39:24,318 INFO L78 Accepts]: Start accepts. Automaton has 3472 states and 5002 transitions. Word has length 228 [2021-12-28 04:39:24,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:39:24,321 INFO L470 AbstractCegarLoop]: Abstraction has 3472 states and 5002 transitions. [2021-12-28 04:39:24,321 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) [2021-12-28 04:39:24,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3472 states and 5002 transitions. [2021-12-28 04:39:24,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-28 04:39:24,332 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:39:24,332 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] [2021-12-28 04:39:24,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:39:24,333 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:39:24,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:39:24,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1929742906, now seen corresponding path program 1 times [2021-12-28 04:39:24,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:39:24,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202277751] [2021-12-28 04:39:24,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:39:24,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:39:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:39:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:39:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:39:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:39:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:39:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:39:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:39:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:39:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:39:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-28 04:39:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-28 04:39:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-28 04:39:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:39:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:39:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-28 04:39:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:39:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-28 04:39:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:39:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-28 04:39:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-28 04:39:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:39:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1275 trivial. 0 not checked. [2021-12-28 04:39:24,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:39:24,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202277751] [2021-12-28 04:39:24,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202277751] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:39:24,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:39:24,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-28 04:39:24,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336141623] [2021-12-28 04:39:24,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:39:24,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-28 04:39:24,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:39:24,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-28 04:39:24,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-28 04:39:24,968 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) [2021-12-28 04:39:27,003 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 [] [2021-12-28 04:39:29,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:39:31,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:39:33,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []