./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 6c24879c 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-?-6c24879 [2022-07-12 16:47:26,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:47:26,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:47:26,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:47:26,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:47:26,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:47:26,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:47:26,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:47:26,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:47:26,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:47:26,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:47:26,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:47:26,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:47:26,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:47:26,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:47:26,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:47:26,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:47:26,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:47:26,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:47:26,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:47:26,319 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:47:26,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:47:26,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:47:26,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:47:26,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:47:26,329 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:47:26,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:47:26,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:47:26,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:47:26,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:47:26,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:47:26,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:47:26,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:47:26,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:47:26,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:47:26,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:47:26,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:47:26,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:47:26,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:47:26,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:47:26,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:47:26,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:47:26,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:47:26,368 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:47:26,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:47:26,369 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:47:26,369 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:47:26,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:47:26,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:47:26,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:47:26,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:47:26,371 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:47:26,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:47:26,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:47:26,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:47:26,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:47:26,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:47:26,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:47:26,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:47:26,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:47:26,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:47:26,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:47:26,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:47:26,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:47:26,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:47:26,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:47:26,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:47:26,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:47:26,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:47:26,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:47:26,375 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:47:26,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:47:26,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:47:26,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2022-07-12 16:47:26,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:47:26,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:47:26,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:47:26,690 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:47:26,691 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:47:26,692 INFO L432 ainManager$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 [2022-07-12 16:47:26,739 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5669fd260/0e628f154bbe4a7499027aeb6ec8afcc/FLAG697657820 [2022-07-12 16:47:27,618 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:47:27,618 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 [2022-07-12 16:47:27,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5669fd260/0e628f154bbe4a7499027aeb6ec8afcc/FLAG697657820 [2022-07-12 16:47:27,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5669fd260/0e628f154bbe4a7499027aeb6ec8afcc [2022-07-12 16:47:27,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:47:27,724 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:47:27,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:47:27,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:47:27,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:47:27,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:47:27" (1/1) ... [2022-07-12 16:47:27,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783f193b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:27, skipping insertion in model container [2022-07-12 16:47:27,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:47:27" (1/1) ... [2022-07-12 16:47:27,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:47:27,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:47:32,573 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] [2022-07-12 16:47:32,575 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] [2022-07-12 16:47:32,575 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] [2022-07-12 16:47:32,576 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] [2022-07-12 16:47:32,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:47:32,677 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:47:33,111 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] [2022-07-12 16:47:33,112 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] [2022-07-12 16:47:33,112 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] [2022-07-12 16:47:33,112 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] [2022-07-12 16:47:33,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:47:33,278 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:47:33,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33 WrapperNode [2022-07-12 16:47:33,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:47:33,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:47:33,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:47:33,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:47:33,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:33,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:33,768 INFO L137 Inliner]: procedures = 524, calls = 8711, calls flagged for inlining = 290, calls inlined = 230, statements flattened = 13004 [2022-07-12 16:47:33,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:47:33,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:47:33,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:47:33,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:47:33,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:33,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:33,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:33,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:33,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:34,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:34,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:34,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:47:34,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:47:34,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:47:34,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:47:34,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (1/1) ... [2022-07-12 16:47:34,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:47:34,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:47:34,130 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) [2022-07-12 16:47:34,136 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 [2022-07-12 16:47:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 16:47:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 16:47:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 16:47:34,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 16:47:34,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:47:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:47:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:47:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:47:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-12 16:47:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-12 16:47:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-12 16:47:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-12 16:47:34,164 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-12 16:47:34,164 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-12 16:47:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-12 16:47:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-12 16:47:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-12 16:47:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-12 16:47:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-12 16:47:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-12 16:47:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-12 16:47:34,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-12 16:47:34,165 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-12 16:47:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-12 16:47:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-12 16:47:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-12 16:47:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-12 16:47:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-12 16:47:34,166 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-12 16:47:34,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-12 16:47:34,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-12 16:47:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:47:34,167 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:47:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 16:47:34,167 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-12 16:47:34,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-12 16:47:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-12 16:47:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-12 16:47:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:47:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:47:34,168 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-12 16:47:34,168 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-12 16:47:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:47:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:47:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:47:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:47:34,169 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 16:47:34,169 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 16:47:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-12 16:47:34,170 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-12 16:47:34,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:47:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-12 16:47:34,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-12 16:47:34,171 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-12 16:47:34,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-12 16:47:34,172 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-12 16:47:34,172 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-12 16:47:34,172 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 16:47:34,172 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 16:47:34,172 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-12 16:47:34,172 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-12 16:47:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-12 16:47:34,173 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-12 16:47:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 16:47:34,173 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 16:47:34,173 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-12 16:47:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-12 16:47:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 16:47:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-12 16:47:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-12 16:47:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:47:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:47:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-12 16:47:34,174 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-12 16:47:34,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:47:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-12 16:47:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-12 16:47:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:47:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:47:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-12 16:47:34,175 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-12 16:47:34,175 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-12 16:47:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-12 16:47:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-12 16:47:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-12 16:47:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:47:34,176 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-12 16:47:34,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-12 16:47:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:47:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:47:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:47:34,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:47:34,177 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 16:47:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 16:47:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:47:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:47:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-12 16:47:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-12 16:47:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-12 16:47:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-12 16:47:34,178 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-12 16:47:34,178 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-12 16:47:34,179 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-12 16:47:34,179 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-12 16:47:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-12 16:47:34,179 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-12 16:47:34,179 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-12 16:47:34,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:47:34,180 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-12 16:47:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-12 16:47:34,180 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-12 16:47:34,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-12 16:47:34,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:47:34,183 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-12 16:47:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-12 16:47:34,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:47:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:47:34,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:47:34,184 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 16:47:34,184 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-12 16:47:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-12 16:47:34,184 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:47:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:47:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-12 16:47:34,189 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-12 16:47:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 16:47:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 16:47:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-12 16:47:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-12 16:47:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-12 16:47:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-12 16:47:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-12 16:47:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-12 16:47:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-12 16:47:34,190 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-12 16:47:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-12 16:47:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-12 16:47:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-12 16:47:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-12 16:47:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:47:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:47:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 16:47:34,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 16:47:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:47:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:47:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:47:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:47:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-12 16:47:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-12 16:47:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-12 16:47:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-12 16:47:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-12 16:47:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-12 16:47:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-12 16:47:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-12 16:47:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-12 16:47:34,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-12 16:47:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-12 16:47:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-12 16:47:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-12 16:47:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-12 16:47:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-12 16:47:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-12 16:47:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-12 16:47:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-12 16:47:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-12 16:47:34,193 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-12 16:47:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 16:47:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 16:47:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-12 16:47:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-12 16:47:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-12 16:47:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-12 16:47:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-12 16:47:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-12 16:47:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:47:34,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:47:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-12 16:47:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-12 16:47:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-12 16:47:34,195 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-12 16:47:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-12 16:47:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-12 16:47:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-12 16:47:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-12 16:47:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-12 16:47:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-12 16:47:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-12 16:47:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-12 16:47:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-12 16:47:34,196 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-12 16:47:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-12 16:47:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-12 16:47:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 16:47:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 16:47:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-12 16:47:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-12 16:47:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-12 16:47:34,197 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-12 16:47:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:47:34,197 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 16:47:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 16:47:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-12 16:47:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-12 16:47:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:47:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-12 16:47:34,198 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-12 16:47:34,198 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-12 16:47:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-12 16:47:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-12 16:47:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-12 16:47:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-12 16:47:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-12 16:47:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:47:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 16:47:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 16:47:34,199 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 16:47:34,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 16:47:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 16:47:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 16:47:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 16:47:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 16:47:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-12 16:47:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-12 16:47:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 16:47:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 16:47:34,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 16:47:34,200 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 16:47:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-12 16:47:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-12 16:47:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:47:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:47:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-12 16:47:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-12 16:47:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-12 16:47:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-12 16:47:34,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:47:34,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:47:34,202 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 16:47:34,202 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 16:47:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-12 16:47:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-12 16:47:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-12 16:47:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-12 16:47:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-12 16:47:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-12 16:47:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-12 16:47:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-12 16:47:34,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:47:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:47:35,247 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:47:35,249 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:47:35,438 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:47:35,677 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:47:35,677 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:47:35,677 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; [2022-07-12 16:47:35,677 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; [2022-07-12 16:47:35,677 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; [2022-07-12 16:47:35,678 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 [2022-07-12 16:47:35,678 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; [2022-07-12 16:47:35,678 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; [2022-07-12 16:47:35,678 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:35,678 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:35,678 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:35,678 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:35,678 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:35,678 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:35,678 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:35,679 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; [2022-07-12 16:47:35,679 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:35,679 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:35,679 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:35,679 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:35,679 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:35,679 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 [2022-07-12 16:47:35,679 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 [2022-07-12 16:47:35,679 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:47:35,680 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); [2022-07-12 16:47:35,680 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-12 16:47:37,672 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); [2022-07-12 16:47:37,673 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; [2022-07-12 16:47:37,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:37,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:37,673 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 [2022-07-12 16:47:37,673 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:37,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:37,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:37,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:37,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:37,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:37,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:37,674 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:37,674 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 [2022-07-12 16:47:37,675 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:47:37,675 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; [2022-07-12 16:47:37,675 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 [2022-07-12 16:47:37,675 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:47:37,675 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:47:37,675 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; [2022-07-12 16:47:37,675 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; [2022-07-12 16:47:37,675 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-12 16:47:37,675 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-12 16:47:37,676 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-12 16:47:37,676 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; [2022-07-12 16:47:37,676 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; [2022-07-12 16:49:54,088 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:49:54,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:49:54,112 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-12 16:49:54,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:49:54 BoogieIcfgContainer [2022-07-12 16:49:54,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:49:54,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:49:54,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:49:54,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:49:54,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:47:27" (1/3) ... [2022-07-12 16:49:54,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab4827e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:49:54, skipping insertion in model container [2022-07-12 16:49:54,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:47:33" (2/3) ... [2022-07-12 16:49:54,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ab4827e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:49:54, skipping insertion in model container [2022-07-12 16:49:54,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:49:54" (3/3) ... [2022-07-12 16:49:54,125 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-12 16:49:54,134 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:49:54,135 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-12 16:49:54,212 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:49:54,217 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@5b2d0e89, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@32c65563 [2022-07-12 16:49:54,217 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-12 16:49:54,226 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) [2022-07-12 16:49:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-12 16:49:54,234 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:49:54,235 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] [2022-07-12 16:49:54,235 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)] === [2022-07-12 16:49:54,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:49:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1289295384, now seen corresponding path program 1 times [2022-07-12 16:49:54,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:49:54,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476794237] [2022-07-12 16:49:54,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:49:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:49:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:49:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:49:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:49:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 16:49:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 16:49:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 16:49:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-12 16:49:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:49:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 16:49:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:49:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:49:55,427 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-12 16:49:55,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:49:55,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476794237] [2022-07-12 16:49:55,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476794237] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:49:55,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:49:55,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:49:55,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750217343] [2022-07-12 16:49:55,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:49:55,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:49:55,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:49:55,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:49:55,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:49:55,463 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) [2022-07-12 16:49:57,639 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 [] [2022-07-12 16:50:01,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:04,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:50:15,554 INFO L93 Difference]: Finished difference Result 9399 states and 13635 transitions. [2022-07-12 16:50:15,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 16:50:15,557 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 [2022-07-12 16:50:15,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:50:15,613 INFO L225 Difference]: With dead ends: 9399 [2022-07-12 16:50:15,613 INFO L226 Difference]: Without dead ends: 5637 [2022-07-12 16:50:15,636 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 [2022-07-12 16:50:15,639 INFO L413 NwaCegarLoop]: 6658 mSDtfsCounter, 5464 mSDsluCounter, 11390 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 1520 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5940 SdHoareTripleChecker+Valid, 18048 SdHoareTripleChecker+Invalid, 6265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1520 IncrementalHoareTripleChecker+Valid, 4742 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:50:15,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5940 Valid, 18048 Invalid, 6265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1520 Valid, 4742 Invalid, 3 Unknown, 0 Unchecked, 19.3s Time] [2022-07-12 16:50:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5637 states. [2022-07-12 16:50:15,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5637 to 5024. [2022-07-12 16:50:15,868 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) [2022-07-12 16:50:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 7070 transitions. [2022-07-12 16:50:15,998 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 7070 transitions. Word has length 75 [2022-07-12 16:50:15,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:50:15,999 INFO L495 AbstractCegarLoop]: Abstraction has 5024 states and 7070 transitions. [2022-07-12 16:50:16,000 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) [2022-07-12 16:50:16,000 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 7070 transitions. [2022-07-12 16:50:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-12 16:50:16,011 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:50:16,011 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] [2022-07-12 16:50:16,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:50:16,012 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)] === [2022-07-12 16:50:16,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:50:16,016 INFO L85 PathProgramCache]: Analyzing trace with hash -302318001, now seen corresponding path program 1 times [2022-07-12 16:50:16,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:50:16,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664840578] [2022-07-12 16:50:16,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:50:16,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:50:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:50:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 16:50:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 16:50:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 16:50:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 16:50:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:50:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 16:50:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 16:50:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 16:50:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:50:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:50:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:16,958 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-12 16:50:16,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:50:16,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664840578] [2022-07-12 16:50:16,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664840578] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:50:16,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:50:16,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:50:16,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029071621] [2022-07-12 16:50:16,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:50:16,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:50:16,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:50:16,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:50:16,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:50:16,962 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) [2022-07-12 16:50:19,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:22,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:24,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:28,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:42,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:42,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:50:42,888 INFO L93 Difference]: Finished difference Result 6538 states and 9432 transitions. [2022-07-12 16:50:42,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:50:42,889 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 [2022-07-12 16:50:42,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:50:42,920 INFO L225 Difference]: With dead ends: 6538 [2022-07-12 16:50:42,920 INFO L226 Difference]: Without dead ends: 6536 [2022-07-12 16:50:42,927 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 [2022-07-12 16:50:42,928 INFO L413 NwaCegarLoop]: 6488 mSDtfsCounter, 6431 mSDsluCounter, 11675 mSDsCounter, 0 mSdLazyCounter, 5549 mSolverCounterSat, 2730 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7006 SdHoareTripleChecker+Valid, 18163 SdHoareTripleChecker+Invalid, 8283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2730 IncrementalHoareTripleChecker+Valid, 5549 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:50:42,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7006 Valid, 18163 Invalid, 8283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2730 Valid, 5549 Invalid, 4 Unknown, 0 Unchecked, 25.3s Time] [2022-07-12 16:50:42,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2022-07-12 16:50:43,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 5065. [2022-07-12 16:50:43,078 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) [2022-07-12 16:50:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5065 states to 5065 states and 7109 transitions. [2022-07-12 16:50:43,092 INFO L78 Accepts]: Start accepts. Automaton has 5065 states and 7109 transitions. Word has length 182 [2022-07-12 16:50:43,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:50:43,094 INFO L495 AbstractCegarLoop]: Abstraction has 5065 states and 7109 transitions. [2022-07-12 16:50:43,094 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) [2022-07-12 16:50:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 5065 states and 7109 transitions. [2022-07-12 16:50:43,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-12 16:50:43,105 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:50:43,105 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] [2022-07-12 16:50:43,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:50:43,105 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)] === [2022-07-12 16:50:43,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:50:43,106 INFO L85 PathProgramCache]: Analyzing trace with hash 112075293, now seen corresponding path program 1 times [2022-07-12 16:50:43,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:50:43,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094299890] [2022-07-12 16:50:43,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:50:43,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:50:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:50:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 16:50:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 16:50:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 16:50:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 16:50:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:50:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 16:50:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 16:50:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 16:50:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:50:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:50:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:50:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:50:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:50:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 16:50:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:50:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 16:50:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 16:50:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 16:50:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 16:50:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:50:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-12 16:50:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-12 16:50:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 16:50:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:50:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-12 16:50:44,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:50:44,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094299890] [2022-07-12 16:50:44,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094299890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:50:44,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:50:44,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 16:50:44,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419842051] [2022-07-12 16:50:44,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:50:44,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 16:50:44,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:50:44,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 16:50:44,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:50:44,125 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) [2022-07-12 16:50:46,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:48,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:51,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:53,727 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:50:56,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:12,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:51:12,706 INFO L93 Difference]: Finished difference Result 10252 states and 14599 transitions. [2022-07-12 16:51:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 16:51:12,706 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 [2022-07-12 16:51:12,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:51:12,740 INFO L225 Difference]: With dead ends: 10252 [2022-07-12 16:51:12,741 INFO L226 Difference]: Without dead ends: 7472 [2022-07-12 16:51:12,754 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 [2022-07-12 16:51:12,754 INFO L413 NwaCegarLoop]: 5069 mSDtfsCounter, 5045 mSDsluCounter, 11097 mSDsCounter, 0 mSdLazyCounter, 6420 mSolverCounterSat, 2956 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5155 SdHoareTripleChecker+Valid, 16166 SdHoareTripleChecker+Invalid, 9381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2956 IncrementalHoareTripleChecker+Valid, 6420 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:51:12,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5155 Valid, 16166 Invalid, 9381 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2956 Valid, 6420 Invalid, 5 Unknown, 0 Unchecked, 28.1s Time] [2022-07-12 16:51:12,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7472 states. [2022-07-12 16:51:12,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7472 to 5069. [2022-07-12 16:51:12,900 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) [2022-07-12 16:51:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5069 states to 5069 states and 7113 transitions. [2022-07-12 16:51:12,914 INFO L78 Accepts]: Start accepts. Automaton has 5069 states and 7113 transitions. Word has length 260 [2022-07-12 16:51:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:51:12,915 INFO L495 AbstractCegarLoop]: Abstraction has 5069 states and 7113 transitions. [2022-07-12 16:51:12,927 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) [2022-07-12 16:51:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 5069 states and 7113 transitions. [2022-07-12 16:51:12,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-12 16:51:12,933 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:51:12,934 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] [2022-07-12 16:51:12,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:51:12,934 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)] === [2022-07-12 16:51:12,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:51:12,935 INFO L85 PathProgramCache]: Analyzing trace with hash -894458586, now seen corresponding path program 1 times [2022-07-12 16:51:12,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:51:12,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203456102] [2022-07-12 16:51:12,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:51:12,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:51:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:51:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 16:51:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 16:51:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 16:51:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 16:51:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:51:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 16:51:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 16:51:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 16:51:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:51:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:51:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:51:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 16:51:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:51:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 16:51:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 16:51:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 16:51:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 16:51:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:51:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 16:51:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 16:51:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-12 16:51:13,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:51:13,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203456102] [2022-07-12 16:51:13,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203456102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:51:13,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:51:13,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:51:13,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336237623] [2022-07-12 16:51:13,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:51:13,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:51:13,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:51:13,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:51:13,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:51:13,826 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) [2022-07-12 16:51:15,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:17,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:20,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:23,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:25,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:27,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:30,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:42,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:44,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:51:45,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:51:45,134 INFO L93 Difference]: Finished difference Result 11061 states and 15708 transitions. [2022-07-12 16:51:45,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:51:45,135 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 [2022-07-12 16:51:45,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:51:45,164 INFO L225 Difference]: With dead ends: 11061 [2022-07-12 16:51:45,165 INFO L226 Difference]: Without dead ends: 6064 [2022-07-12 16:51:45,179 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 [2022-07-12 16:51:45,180 INFO L413 NwaCegarLoop]: 3827 mSDtfsCounter, 2229 mSDsluCounter, 7908 mSDsCounter, 0 mSdLazyCounter, 5316 mSolverCounterSat, 1637 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 11735 SdHoareTripleChecker+Invalid, 6960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1637 IncrementalHoareTripleChecker+Valid, 5316 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:51:45,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 11735 Invalid, 6960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1637 Valid, 5316 Invalid, 7 Unknown, 0 Unchecked, 30.9s Time] [2022-07-12 16:51:45,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2022-07-12 16:51:45,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 5071. [2022-07-12 16:51:45,319 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) [2022-07-12 16:51:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 7115 transitions. [2022-07-12 16:51:45,332 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 7115 transitions. Word has length 270 [2022-07-12 16:51:45,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:51:45,333 INFO L495 AbstractCegarLoop]: Abstraction has 5071 states and 7115 transitions. [2022-07-12 16:51:45,333 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) [2022-07-12 16:51:45,333 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 7115 transitions. [2022-07-12 16:51:45,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-12 16:51:45,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:51:45,339 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] [2022-07-12 16:51:45,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:51:45,339 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)] === [2022-07-12 16:51:45,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:51:45,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1555141544, now seen corresponding path program 1 times [2022-07-12 16:51:45,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:51:45,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910968528] [2022-07-12 16:51:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:51:45,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:51:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:51:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 16:51:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 16:51:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 16:51:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 16:51:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 16:51:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 16:51:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 16:51:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:45,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 16:51:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:51:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:51:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:51:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:51:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:51:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 16:51:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:51:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 16:51:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 16:51:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 16:51:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-12 16:51:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:51:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:51:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 16:51:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 16:51:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:51:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-12 16:51:46,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:51:46,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910968528] [2022-07-12 16:51:46,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910968528] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:51:46,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:51:46,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 16:51:46,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796768760] [2022-07-12 16:51:46,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:51:46,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 16:51:46,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:51:46,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 16:51:46,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:51:46,262 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)