./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.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 e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:28:59,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:28:59,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:28:59,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:28:59,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:28:59,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:28:59,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:28:59,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:28:59,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:28:59,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:28:59,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:28:59,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:28:59,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:28:59,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:28:59,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:28:59,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:28:59,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:28:59,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:28:59,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:28:59,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:28:59,955 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:28:59,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:28:59,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:28:59,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:28:59,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:28:59,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:28:59,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:28:59,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:28:59,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:28:59,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:28:59,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:28:59,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:28:59,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:28:59,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:28:59,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:28:59,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:28:59,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:28:59,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:28:59,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:28:59,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:28:59,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:28:59,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:28:59,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:29:00,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:29:00,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:29:00,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:29:00,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:29:00,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:29:00,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:29:00,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:29:00,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:29:00,022 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:29:00,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:29:00,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:29:00,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:29:00,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:29:00,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:29:00,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:29:00,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:29:00,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:29:00,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:29:00,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:29:00,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:29:00,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:29:00,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:29:00,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:29:00,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:29:00,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:29:00,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:29:00,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:29:00,026 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:29:00,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:29:00,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:29:00,026 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2022-07-14 04:29:00,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:29:00,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:29:00,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:29:00,281 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:29:00,282 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:29:00,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-14 04:29:00,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b35c019c/36e6f59bf4d74f23931dd571b69d884a/FLAGeee9fe387 [2022-07-14 04:29:01,142 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:29:01,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-14 04:29:01,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b35c019c/36e6f59bf4d74f23931dd571b69d884a/FLAGeee9fe387 [2022-07-14 04:29:01,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b35c019c/36e6f59bf4d74f23931dd571b69d884a [2022-07-14 04:29:01,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:29:01,601 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:29:01,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:29:01,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:29:01,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:29:01,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:29:01" (1/1) ... [2022-07-14 04:29:01,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dbc30ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:01, skipping insertion in model container [2022-07-14 04:29:01,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:29:01" (1/1) ... [2022-07-14 04:29:01,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:29:01,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:29:06,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2022-07-14 04:29:06,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2022-07-14 04:29:06,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2022-07-14 04:29:06,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2022-07-14 04:29:06,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:29:06,294 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:29:06,790 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580326,580339] [2022-07-14 04:29:06,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580473,580486] [2022-07-14 04:29:06,791 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580612,580625] [2022-07-14 04:29:06,792 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i[580770,580783] [2022-07-14 04:29:06,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:29:06,976 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:29:06,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06 WrapperNode [2022-07-14 04:29:06,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:29:06,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:29:06,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:29:06,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:29:06,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:07,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:07,558 INFO L137 Inliner]: procedures = 524, calls = 8711, calls flagged for inlining = 290, calls inlined = 230, statements flattened = 13004 [2022-07-14 04:29:07,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:29:07,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:29:07,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:29:07,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:29:07,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:07,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:07,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:07,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:08,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:08,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:08,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:08,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:29:08,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:29:08,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:29:08,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:29:08,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (1/1) ... [2022-07-14 04:29:08,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:29:08,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:29:08,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 04:29:08,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 04:29:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 04:29:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 04:29:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-14 04:29:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-14 04:29:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:29:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:29:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:29:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:29:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-14 04:29:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-14 04:29:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-14 04:29:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-14 04:29:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-14 04:29:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-14 04:29:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-14 04:29:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-14 04:29:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-14 04:29:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-14 04:29:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-14 04:29:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-14 04:29:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-14 04:29:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-14 04:29:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-14 04:29:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-14 04:29:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-14 04:29:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-14 04:29:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-14 04:29:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-14 04:29:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-14 04:29:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-14 04:29:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-14 04:29:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:29:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:29:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 04:29:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-14 04:29:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-14 04:29:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-14 04:29:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-14 04:29:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:29:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:29:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-14 04:29:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-14 04:29:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:29:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:29:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:29:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:29:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 04:29:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 04:29:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-14 04:29:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-14 04:29:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:29:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-14 04:29:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-14 04:29:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-14 04:29:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-14 04:29:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-14 04:29:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-14 04:29:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 04:29:08,413 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 04:29:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-14 04:29:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-14 04:29:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-14 04:29:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-14 04:29:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:29:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:29:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-14 04:29:08,414 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-14 04:29:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 04:29:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-14 04:29:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-14 04:29:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:29:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:29:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-14 04:29:08,415 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-14 04:29:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 04:29:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-14 04:29:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-14 04:29:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:29:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:29:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-14 04:29:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-14 04:29:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-14 04:29:08,416 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-14 04:29:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-14 04:29:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-14 04:29:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 04:29:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-14 04:29:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-14 04:29:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:29:08,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:29:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:29:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:29:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 04:29:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 04:29:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:29:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:29:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-14 04:29:08,418 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-14 04:29:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-14 04:29:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-14 04:29:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-14 04:29:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-14 04:29:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-14 04:29:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 04:29:08,419 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 04:29:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-14 04:29:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-14 04:29:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:29:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-14 04:29:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-14 04:29:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-14 04:29:08,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-14 04:29:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:29:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-14 04:29:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-14 04:29:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:29:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:29:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:29:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 04:29:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-14 04:29:08,421 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-14 04:29:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:29:08,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 04:29:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-14 04:29:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-14 04:29:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 04:29:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 04:29:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-14 04:29:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-14 04:29:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-14 04:29:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-14 04:29:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-14 04:29:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-14 04:29:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-14 04:29:08,427 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-14 04:29:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-14 04:29:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-14 04:29:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-14 04:29:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-14 04:29:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:29:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:29:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-14 04:29:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-14 04:29:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:29:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:29:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:29:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:29:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-14 04:29:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-14 04:29:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-14 04:29:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-14 04:29:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-14 04:29:08,429 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-14 04:29:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-14 04:29:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-14 04:29:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-14 04:29:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-14 04:29:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-14 04:29:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-14 04:29:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-14 04:29:08,430 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-14 04:29:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-14 04:29:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-14 04:29:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-14 04:29:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-14 04:29:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-14 04:29:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-14 04:29:08,431 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 04:29:08,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 04:29:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-14 04:29:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-14 04:29:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-14 04:29:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-14 04:29:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-14 04:29:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-14 04:29:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:29:08,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:29:08,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-14 04:29:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-14 04:29:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-14 04:29:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-14 04:29:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-14 04:29:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-14 04:29:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-14 04:29:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-14 04:29:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-14 04:29:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-14 04:29:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-14 04:29:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-14 04:29:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-14 04:29:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-14 04:29:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-14 04:29:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-14 04:29:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 04:29:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 04:29:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-14 04:29:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-14 04:29:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-14 04:29:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-14 04:29:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:29:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 04:29:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 04:29:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-14 04:29:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-14 04:29:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:29:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-14 04:29:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-14 04:29:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-14 04:29:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-14 04:29:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-14 04:29:08,436 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-14 04:29:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-14 04:29:08,437 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-14 04:29:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:29:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 04:29:08,437 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 04:29:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 04:29:08,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 04:29:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 04:29:08,437 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 04:29:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 04:29:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 04:29:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-14 04:29:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-14 04:29:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 04:29:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 04:29:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 04:29:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 04:29:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-14 04:29:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-14 04:29:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:29:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:29:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-14 04:29:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-14 04:29:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-14 04:29:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-14 04:29:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 04:29:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 04:29:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 04:29:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 04:29:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-14 04:29:08,442 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-14 04:29:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-14 04:29:08,442 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-14 04:29:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-14 04:29:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-14 04:29:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-14 04:29:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-14 04:29:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 04:29:08,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 04:29:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-14 04:29:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-14 04:29:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-14 04:29:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-14 04:29:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:29:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:29:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 04:29:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:29:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:29:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-14 04:29:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-14 04:29:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-14 04:29:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-14 04:29:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:29:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:29:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-14 04:29:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-14 04:29:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 04:29:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 04:29:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-14 04:29:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-14 04:29:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-14 04:29:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-14 04:29:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-14 04:29:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-14 04:29:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-14 04:29:08,449 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-14 04:29:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-14 04:29:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-14 04:29:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-14 04:29:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-14 04:29:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-14 04:29:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-14 04:29:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-14 04:29:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-14 04:29:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-14 04:29:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-14 04:29:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-14 04:29:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-14 04:29:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-14 04:29:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-14 04:29:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-14 04:29:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-14 04:29:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:29:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:29:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-14 04:29:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-14 04:29:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-14 04:29:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-14 04:29:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-14 04:29:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-14 04:29:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-14 04:29:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-14 04:29:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-14 04:29:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-14 04:29:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-14 04:29:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-14 04:29:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-14 04:29:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-14 04:29:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 04:29:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-14 04:29:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-14 04:29:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-14 04:29:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-14 04:29:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:29:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:29:09,413 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:29:09,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:29:09,619 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:29:09,899 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:29:09,899 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:29:09,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10870: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1056#1 && __copy_to_user_nocheck_#t~ret1056#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~16#1 := __copy_to_user_nocheck_#t~ret1056#1;havoc __copy_to_user_nocheck_#t~ret1056#1; [2022-07-14 04:29:09,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume 0 != __copy_to_user_nocheck_~tmp___0~26#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:29:09,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume !(0 != __copy_to_user_nocheck_~tmp___0~26#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:29:09,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10835: SUMMARY for call __copy_to_user_nocheck_#t~ret1057#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-07-14 04:29:09,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume 0 != __copy_to_user_nocheck_~tmp___1~16#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:29:09,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume !(0 != __copy_to_user_nocheck_~tmp___1~16#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:29:09,900 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:09,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:09,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:09,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:09,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:09,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:09,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:09,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10856: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1055#1 && __copy_to_user_nocheck_#t~ret1055#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26#1 := __copy_to_user_nocheck_#t~ret1055#1;havoc __copy_to_user_nocheck_#t~ret1055#1; [2022-07-14 04:29:09,901 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:09,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:09,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:09,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:09,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:09,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10828: SUMMARY for call __copy_to_user_nocheck_#t~ret1055#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-14 04:29:09,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10832: SUMMARY for call __copy_to_user_nocheck_#t~ret1056#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~18#1 then 1 else 0), 0); srcloc: null [2022-07-14 04:29:09,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:29:09,902 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: __copy_to_user_nocheck_~tmp___2~11#1 := __copy_to_user_nocheck_#t~ret1057#1;havoc __copy_to_user_nocheck_#t~ret1057#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-14 04:29:09,903 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10779: __copy_from_user_nocheck_~tmp___2~10#1 := __copy_from_user_nocheck_#t~ret1052#1;havoc __copy_from_user_nocheck_#t~ret1052#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10767: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1051#1 && __copy_from_user_nocheck_#t~ret1051#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~15#1 := __copy_from_user_nocheck_#t~ret1051#1;havoc __copy_from_user_nocheck_#t~ret1051#1; [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10726: SUMMARY for call __copy_from_user_nocheck_#t~ret1052#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:12,248 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10723: SUMMARY for call __copy_from_user_nocheck_#t~ret1051#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10752: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1050#1 && __copy_from_user_nocheck_#t~ret1050#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25#1 := __copy_from_user_nocheck_#t~ret1050#1;havoc __copy_from_user_nocheck_#t~ret1050#1; [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10719: SUMMARY for call __copy_from_user_nocheck_#t~ret1050#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~17#1 then 1 else 0), 0); srcloc: null [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume 0 != __copy_from_user_nocheck_~tmp___1~15#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume !(0 != __copy_from_user_nocheck_~tmp___1~15#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume 0 != __copy_from_user_nocheck_~tmp___0~25#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:29:12,249 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume !(0 != __copy_from_user_nocheck_~tmp___0~25#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-14 04:31:35,685 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:31:35,717 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:31:35,717 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-14 04:31:35,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:31:35 BoogieIcfgContainer [2022-07-14 04:31:35,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:31:35,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:31:35,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:31:35,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:31:35,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:29:01" (1/3) ... [2022-07-14 04:31:35,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe44d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:31:35, skipping insertion in model container [2022-07-14 04:31:35,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:29:06" (2/3) ... [2022-07-14 04:31:35,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe44d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:31:35, skipping insertion in model container [2022-07-14 04:31:35,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:31:35" (3/3) ... [2022-07-14 04:31:35,728 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-14 04:31:35,738 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:31:35,738 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-14 04:31:35,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:31:35,838 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5d0b7a3b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2af510d3 [2022-07-14 04:31:35,838 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-14 04:31:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand has 2974 states, 2238 states have (on average 1.3762287756925826) internal successors, (3080), 2281 states have internal predecessors, (3080), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) [2022-07-14 04:31:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-14 04:31:35,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:31:35,858 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:31:35,859 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:31:35,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:31:35,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1289295384, now seen corresponding path program 1 times [2022-07-14 04:31:35,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:31:35,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075694445] [2022-07-14 04:31:35,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:31:35,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:31:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:36,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:31:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:36,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:36,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:36,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-14 04:31:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 04:31:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:31:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-14 04:31:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 04:31:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:37,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:31:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:37,085 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-14 04:31:37,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:31:37,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075694445] [2022-07-14 04:31:37,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075694445] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:31:37,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:31:37,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 04:31:37,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066995834] [2022-07-14 04:31:37,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:31:37,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:31:37,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:31:37,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:31:37,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:31:37,128 INFO L87 Difference]: Start difference. First operand has 2974 states, 2238 states have (on average 1.3762287756925826) internal successors, (3080), 2281 states have internal predecessors, (3080), 584 states have call successors, (584), 148 states have call predecessors, (584), 147 states have return successors, (577), 568 states have call predecessors, (577), 577 states have call successors, (577) Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 04:31:39,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:31:42,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:31:45,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:31:54,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:31:54,297 INFO L93 Difference]: Finished difference Result 9399 states and 13635 transitions. [2022-07-14 04:31:54,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:31:54,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 75 [2022-07-14 04:31:54,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:31:54,341 INFO L225 Difference]: With dead ends: 9399 [2022-07-14 04:31:54,341 INFO L226 Difference]: Without dead ends: 5637 [2022-07-14 04:31:54,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 04:31:54,358 INFO L413 NwaCegarLoop]: 6721 mSDtfsCounter, 5411 mSDsluCounter, 11449 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 1508 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5885 SdHoareTripleChecker+Valid, 18170 SdHoareTripleChecker+Invalid, 6259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1508 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:31:54,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5885 Valid, 18170 Invalid, 6259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1508 Valid, 4748 Invalid, 3 Unknown, 0 Unchecked, 16.4s Time] [2022-07-14 04:31:54,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5637 states. [2022-07-14 04:31:54,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5637 to 5024. [2022-07-14 04:31:54,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5024 states, 3822 states have (on average 1.360282574568289) internal successors, (5199), 3874 states have internal predecessors, (5199), 936 states have call successors, (936), 263 states have call predecessors, (936), 262 states have return successors, (935), 918 states have call predecessors, (935), 932 states have call successors, (935) [2022-07-14 04:31:54,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 7070 transitions. [2022-07-14 04:31:54,613 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 7070 transitions. Word has length 75 [2022-07-14 04:31:54,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:31:54,614 INFO L495 AbstractCegarLoop]: Abstraction has 5024 states and 7070 transitions. [2022-07-14 04:31:54,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-14 04:31:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 7070 transitions. [2022-07-14 04:31:54,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-14 04:31:54,618 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:31:54,619 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:31:54,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 04:31:54,619 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:31:54,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:31:54,620 INFO L85 PathProgramCache]: Analyzing trace with hash -302318001, now seen corresponding path program 1 times [2022-07-14 04:31:54,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:31:54,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078865124] [2022-07-14 04:31:54,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:31:54,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:31:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:31:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-14 04:31:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 04:31:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:31:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-14 04:31:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:31:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:31:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:31:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:31:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:31:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 04:31:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:31:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:31:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:31:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:31:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:31:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 04:31:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:31:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:31:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:31:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:31:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:31:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:31:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-14 04:31:55,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:31:55,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078865124] [2022-07-14 04:31:55,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078865124] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:31:55,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:31:55,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:31:55,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210701423] [2022-07-14 04:31:55,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:31:55,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:31:55,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:31:55,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:31:55,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:31:55,459 INFO L87 Difference]: Start difference. First operand 5024 states and 7070 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 04:31:57,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:00,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:03,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:06,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:17,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:32:17,911 INFO L93 Difference]: Finished difference Result 6538 states and 9432 transitions. [2022-07-14 04:32:17,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 04:32:17,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 182 [2022-07-14 04:32:17,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:32:17,940 INFO L225 Difference]: With dead ends: 6538 [2022-07-14 04:32:17,940 INFO L226 Difference]: Without dead ends: 6536 [2022-07-14 04:32:17,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-14 04:32:17,945 INFO L413 NwaCegarLoop]: 6474 mSDtfsCounter, 6445 mSDsluCounter, 11660 mSDsCounter, 0 mSdLazyCounter, 5546 mSolverCounterSat, 2728 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7030 SdHoareTripleChecker+Valid, 18134 SdHoareTripleChecker+Invalid, 8278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2728 IncrementalHoareTripleChecker+Valid, 5546 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:32:17,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7030 Valid, 18134 Invalid, 8278 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2728 Valid, 5546 Invalid, 4 Unknown, 0 Unchecked, 22.0s Time] [2022-07-14 04:32:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2022-07-14 04:32:18,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 5065. [2022-07-14 04:32:18,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5065 states, 3849 states have (on average 1.357755261106781) internal successors, (5226), 3901 states have internal predecessors, (5226), 942 states have call successors, (942), 271 states have call predecessors, (942), 270 states have return successors, (941), 924 states have call predecessors, (941), 938 states have call successors, (941) [2022-07-14 04:32:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5065 states to 5065 states and 7109 transitions. [2022-07-14 04:32:18,084 INFO L78 Accepts]: Start accepts. Automaton has 5065 states and 7109 transitions. Word has length 182 [2022-07-14 04:32:18,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:32:18,086 INFO L495 AbstractCegarLoop]: Abstraction has 5065 states and 7109 transitions. [2022-07-14 04:32:18,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 04:32:18,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5065 states and 7109 transitions. [2022-07-14 04:32:18,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-14 04:32:18,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:32:18,098 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:32:18,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 04:32:18,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:32:18,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:32:18,099 INFO L85 PathProgramCache]: Analyzing trace with hash 112075293, now seen corresponding path program 1 times [2022-07-14 04:32:18,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:32:18,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063920692] [2022-07-14 04:32:18,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:32:18,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:32:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:32:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-14 04:32:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 04:32:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:32:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-14 04:32:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:32:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 04:32:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:32:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 04:32:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:32:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:32:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:32:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-14 04:32:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 04:32:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 04:32:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 04:32:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-14 04:32:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 04:32:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:19,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:19,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 04:32:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:19,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 04:32:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:19,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-14 04:32:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-14 04:32:19,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:32:19,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063920692] [2022-07-14 04:32:19,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063920692] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:32:19,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:32:19,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 04:32:19,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284325713] [2022-07-14 04:32:19,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:32:19,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 04:32:19,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:32:19,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 04:32:19,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:32:19,032 INFO L87 Difference]: Start difference. First operand 5065 states and 7109 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 04:32:21,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:23,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:26,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:28,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:30,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:40,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 04:32:45,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:32:45,844 INFO L93 Difference]: Finished difference Result 10252 states and 14599 transitions. [2022-07-14 04:32:45,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 04:32:45,845 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 260 [2022-07-14 04:32:45,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:32:45,877 INFO L225 Difference]: With dead ends: 10252 [2022-07-14 04:32:45,877 INFO L226 Difference]: Without dead ends: 7472 [2022-07-14 04:32:45,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-14 04:32:45,891 INFO L413 NwaCegarLoop]: 5052 mSDtfsCounter, 5046 mSDsluCounter, 11065 mSDsCounter, 0 mSdLazyCounter, 6420 mSolverCounterSat, 2972 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5156 SdHoareTripleChecker+Valid, 16117 SdHoareTripleChecker+Invalid, 9398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2972 IncrementalHoareTripleChecker+Valid, 6420 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:32:45,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5156 Valid, 16117 Invalid, 9398 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2972 Valid, 6420 Invalid, 6 Unknown, 0 Unchecked, 26.4s Time] [2022-07-14 04:32:45,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7472 states. [2022-07-14 04:32:46,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7472 to 5069. [2022-07-14 04:32:46,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5069 states, 3853 states have (on average 1.3573838567350116) internal successors, (5230), 3905 states have internal predecessors, (5230), 942 states have call successors, (942), 271 states have call predecessors, (942), 270 states have return successors, (941), 924 states have call predecessors, (941), 938 states have call successors, (941) [2022-07-14 04:32:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5069 states to 5069 states and 7113 transitions. [2022-07-14 04:32:46,066 INFO L78 Accepts]: Start accepts. Automaton has 5069 states and 7113 transitions. Word has length 260 [2022-07-14 04:32:46,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:32:46,068 INFO L495 AbstractCegarLoop]: Abstraction has 5069 states and 7113 transitions. [2022-07-14 04:32:46,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 04:32:46,069 INFO L276 IsEmpty]: Start isEmpty. Operand 5069 states and 7113 transitions. [2022-07-14 04:32:46,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-14 04:32:46,074 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:32:46,074 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:32:46,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 04:32:46,075 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:32:46,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:32:46,075 INFO L85 PathProgramCache]: Analyzing trace with hash -894458586, now seen corresponding path program 1 times [2022-07-14 04:32:46,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:32:46,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504534315] [2022-07-14 04:32:46,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:32:46,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:32:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:32:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-14 04:32:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 04:32:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:32:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-14 04:32:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:32:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 04:32:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:32:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 04:32:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:32:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:32:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:32:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:32:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:32:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-14 04:32:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 04:32:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 04:32:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 04:32:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-14 04:32:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 04:32:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:32:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:32:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-14 04:32:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 04:32:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:32:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-14 04:32:46,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:32:46,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504534315] [2022-07-14 04:32:46,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504534315] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:32:46,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:32:46,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 04:32:46,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174025177] [2022-07-14 04:32:46,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:32:46,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 04:32:46,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:32:46,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 04:32:46,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 04:32:46,799 INFO L87 Difference]: Start difference. First operand 5069 states and 7113 transitions. Second operand has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 04:32:48,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:50,967 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:52,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:56,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:32:58,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:33:00,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:33:03,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 04:33:16,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:33:16,373 INFO L93 Difference]: Finished difference Result 11061 states and 15708 transitions. [2022-07-14 04:33:16,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:33:16,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 270 [2022-07-14 04:33:16,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:33:16,402 INFO L225 Difference]: With dead ends: 11061 [2022-07-14 04:33:16,402 INFO L226 Difference]: Without dead ends: 6064 [2022-07-14 04:33:16,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:33:16,418 INFO L413 NwaCegarLoop]: 3834 mSDtfsCounter, 2229 mSDsluCounter, 7917 mSDsCounter, 0 mSdLazyCounter, 5309 mSolverCounterSat, 1631 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 11751 SdHoareTripleChecker+Invalid, 6947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1631 IncrementalHoareTripleChecker+Valid, 5309 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:33:16,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 11751 Invalid, 6947 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1631 Valid, 5309 Invalid, 7 Unknown, 0 Unchecked, 29.2s Time] [2022-07-14 04:33:16,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2022-07-14 04:33:16,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 5071. [2022-07-14 04:33:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5071 states, 3855 states have (on average 1.3571984435797666) internal successors, (5232), 3907 states have internal predecessors, (5232), 942 states have call successors, (942), 271 states have call predecessors, (942), 270 states have return successors, (941), 924 states have call predecessors, (941), 938 states have call successors, (941) [2022-07-14 04:33:16,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 7115 transitions. [2022-07-14 04:33:16,588 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 7115 transitions. Word has length 270 [2022-07-14 04:33:16,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:33:16,589 INFO L495 AbstractCegarLoop]: Abstraction has 5071 states and 7115 transitions. [2022-07-14 04:33:16,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.333333333333332) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 04:33:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 7115 transitions. [2022-07-14 04:33:16,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-14 04:33:16,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:33:16,595 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:33:16,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 04:33:16,595 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION === [uvc_deleteErr0ASSERT_VIOLATIONERROR_FUNCTION, uvc_deleteErr1ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:33:16,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:33:16,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1555141544, now seen corresponding path program 1 times [2022-07-14 04:33:16,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 04:33:16,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207836402] [2022-07-14 04:33:16,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:33:16,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 04:33:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 04:33:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-14 04:33:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-14 04:33:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-14 04:33:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-14 04:33:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:33:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:33:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 04:33:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:33:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:33:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 04:33:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:33:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:33:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-14 04:33:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:33:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:33:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 04:33:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 04:33:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 04:33:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-14 04:33:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 04:33:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-14 04:33:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-14 04:33:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-14 04:33:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-14 04:33:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 04:33:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-14 04:33:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 04:33:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 04:33:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 04:33:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-14 04:33:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 04:33:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:33:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-14 04:33:17,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 04:33:17,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207836402] [2022-07-14 04:33:17,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207836402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:33:17,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:33:17,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 04:33:17,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969167986] [2022-07-14 04:33:17,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:33:17,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 04:33:17,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 04:33:17,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 04:33:17,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-14 04:33:17,522 INFO L87 Difference]: Start difference. First operand 5071 states and 7115 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28)