./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 35987657 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-?-3598765 [2022-07-21 15:20:42,070 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 15:20:42,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 15:20:42,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 15:20:42,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 15:20:42,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 15:20:42,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 15:20:42,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 15:20:42,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 15:20:42,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 15:20:42,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 15:20:42,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 15:20:42,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 15:20:42,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 15:20:42,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 15:20:42,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 15:20:42,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 15:20:42,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 15:20:42,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 15:20:42,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 15:20:42,146 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 15:20:42,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 15:20:42,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 15:20:42,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 15:20:42,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 15:20:42,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 15:20:42,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 15:20:42,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 15:20:42,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 15:20:42,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 15:20:42,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 15:20:42,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 15:20:42,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 15:20:42,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 15:20:42,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 15:20:42,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 15:20:42,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 15:20:42,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 15:20:42,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 15:20:42,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 15:20:42,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 15:20:42,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 15:20:42,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 15:20:42,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 15:20:42,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 15:20:42,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 15:20:42,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 15:20:42,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 15:20:42,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 15:20:42,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 15:20:42,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 15:20:42,202 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 15:20:42,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 15:20:42,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 15:20:42,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 15:20:42,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 15:20:42,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 15:20:42,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 15:20:42,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 15:20:42,204 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 15:20:42,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 15:20:42,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 15:20:42,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 15:20:42,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 15:20:42,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:20:42,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 15:20:42,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 15:20:42,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 15:20:42,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 15:20:42,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 15:20:42,206 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 15:20:42,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 15:20:42,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 15:20:42,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2022-07-21 15:20:42,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 15:20:42,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 15:20:42,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 15:20:42,570 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 15:20:42,571 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 15:20:42,573 INFO L432 ainManager$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 [2022-07-21 15:20:42,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1def13fe/c415fd03344e4a4c9d11416e1f7496be/FLAG55e201d53 [2022-07-21 15:20:43,558 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 15:20:43,559 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 [2022-07-21 15:20:43,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1def13fe/c415fd03344e4a4c9d11416e1f7496be/FLAG55e201d53 [2022-07-21 15:20:43,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1def13fe/c415fd03344e4a4c9d11416e1f7496be [2022-07-21 15:20:43,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 15:20:43,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 15:20:43,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 15:20:43,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 15:20:43,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 15:20:43,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:20:43" (1/1) ... [2022-07-21 15:20:43,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a847cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:43, skipping insertion in model container [2022-07-21 15:20:43,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:20:43" (1/1) ... [2022-07-21 15:20:43,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 15:20:43,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 15:20:47,668 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] [2022-07-21 15:20:47,670 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] [2022-07-21 15:20:47,671 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] [2022-07-21 15:20:47,671 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] [2022-07-21 15:20:47,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:20:47,802 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 15:20:48,597 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] [2022-07-21 15:20:48,598 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] [2022-07-21 15:20:48,599 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] [2022-07-21 15:20:48,599 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] [2022-07-21 15:20:48,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 15:20:48,824 INFO L208 MainTranslator]: Completed translation [2022-07-21 15:20:48,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48 WrapperNode [2022-07-21 15:20:48,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 15:20:48,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 15:20:48,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 15:20:48,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 15:20:48,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:49,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:49,390 INFO L137 Inliner]: procedures = 524, calls = 8711, calls flagged for inlining = 290, calls inlined = 230, statements flattened = 13004 [2022-07-21 15:20:49,391 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 15:20:49,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 15:20:49,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 15:20:49,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 15:20:49,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:49,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:49,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:49,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:49,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:49,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:49,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:50,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 15:20:50,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 15:20:50,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 15:20:50,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 15:20:50,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (1/1) ... [2022-07-21 15:20:50,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 15:20:50,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 15:20:50,060 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) [2022-07-21 15:20:50,075 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 [2022-07-21 15:20:50,098 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 15:20:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 15:20:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 15:20:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 15:20:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 15:20:50,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 15:20:50,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 15:20:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 15:20:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-21 15:20:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-21 15:20:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-21 15:20:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-21 15:20:50,100 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-21 15:20:50,100 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-21 15:20:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-21 15:20:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-21 15:20:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-21 15:20:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-21 15:20:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-21 15:20:50,101 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-21 15:20:50,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-21 15:20:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-21 15:20:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-21 15:20:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-21 15:20:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-21 15:20:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-21 15:20:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-21 15:20:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-21 15:20:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-21 15:20:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-21 15:20:50,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-21 15:20:50,103 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 15:20:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 15:20:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 15:20:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-21 15:20:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-21 15:20:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-21 15:20:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-21 15:20:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 15:20:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 15:20:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-21 15:20:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-21 15:20:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 15:20:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 15:20:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 15:20:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 15:20:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 15:20:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 15:20:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-21 15:20:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-21 15:20:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 15:20:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-21 15:20:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-21 15:20:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-21 15:20:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-21 15:20:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-21 15:20:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-21 15:20:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 15:20:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 15:20:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-21 15:20:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-21 15:20:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-21 15:20:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-21 15:20:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 15:20:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 15:20:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-21 15:20:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-21 15:20:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 15:20:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-21 15:20:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-21 15:20:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 15:20:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 15:20:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-21 15:20:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-21 15:20:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 15:20:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-21 15:20:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-21 15:20:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 15:20:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 15:20:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-21 15:20:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-21 15:20:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-21 15:20:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-21 15:20:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-21 15:20:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-21 15:20:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 15:20:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-21 15:20:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-21 15:20:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 15:20:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 15:20:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 15:20:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 15:20:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 15:20:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 15:20:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 15:20:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 15:20:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-21 15:20:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-21 15:20:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-21 15:20:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-21 15:20:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-21 15:20:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-21 15:20:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-21 15:20:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 15:20:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 15:20:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-21 15:20:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-21 15:20:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 15:20:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-21 15:20:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-21 15:20:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-21 15:20:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-21 15:20:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 15:20:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-21 15:20:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-21 15:20:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 15:20:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 15:20:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 15:20:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 15:20:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-21 15:20:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-21 15:20:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 15:20:50,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 15:20:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-21 15:20:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-21 15:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 15:20:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 15:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-21 15:20:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-21 15:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-21 15:20:50,132 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-21 15:20:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-21 15:20:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-21 15:20:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-21 15:20:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-21 15:20:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-21 15:20:50,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-21 15:20:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-21 15:20:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-21 15:20:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 15:20:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 15:20:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-21 15:20:50,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-21 15:20:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 15:20:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 15:20:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 15:20:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 15:20:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-21 15:20:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-21 15:20:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-21 15:20:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-21 15:20:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-21 15:20:50,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-21 15:20:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-21 15:20:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-21 15:20:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-21 15:20:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-21 15:20:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-21 15:20:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-21 15:20:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-21 15:20:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-21 15:20:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-21 15:20:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-21 15:20:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-21 15:20:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-21 15:20:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-21 15:20:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-21 15:20:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 15:20:50,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 15:20:50,137 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-21 15:20:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-21 15:20:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-21 15:20:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-21 15:20:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-21 15:20:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-21 15:20:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 15:20:50,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 15:20:50,138 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-21 15:20:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-21 15:20:50,139 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-21 15:20:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-21 15:20:50,139 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-21 15:20:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-21 15:20:50,139 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-21 15:20:50,139 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-21 15:20:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-21 15:20:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-21 15:20:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 15:20:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 15:20:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-21 15:20:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-21 15:20:50,140 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-21 15:20:50,140 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-21 15:20:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 15:20:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 15:20:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-21 15:20:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-21 15:20:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-21 15:20:50,141 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-21 15:20:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 15:20:50,141 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 15:20:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 15:20:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-21 15:20:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-21 15:20:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 15:20:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-21 15:20:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-21 15:20:50,142 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-21 15:20:50,142 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-21 15:20:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-21 15:20:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-21 15:20:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-21 15:20:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-21 15:20:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 15:20:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 15:20:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 15:20:50,143 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 15:20:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 15:20:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 15:20:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 15:20:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 15:20:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 15:20:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-21 15:20:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-21 15:20:50,144 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 15:20:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 15:20:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 15:20:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 15:20:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-21 15:20:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-21 15:20:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 15:20:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 15:20:50,145 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-21 15:20:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-21 15:20:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-21 15:20:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-21 15:20:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 15:20:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 15:20:50,146 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 15:20:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 15:20:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-21 15:20:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-21 15:20:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-21 15:20:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-21 15:20:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-21 15:20:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-21 15:20:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-21 15:20:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-21 15:20:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 15:20:50,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 15:20:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-21 15:20:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-21 15:20:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-21 15:20:50,152 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-21 15:20:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 15:20:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 15:20:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 15:20:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 15:20:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 15:20:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-21 15:20:50,153 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-21 15:20:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-21 15:20:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-21 15:20:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 15:20:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 15:20:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-21 15:20:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-21 15:20:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 15:20:50,154 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 15:20:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-21 15:20:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-21 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-21 15:20:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-21 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-21 15:20:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-21 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-21 15:20:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-21 15:20:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-21 15:20:50,155 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-21 15:20:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-21 15:20:50,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-21 15:20:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-21 15:20:50,156 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-21 15:20:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-21 15:20:50,156 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-21 15:20:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-21 15:20:50,156 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-21 15:20:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 15:20:50,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 15:20:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-21 15:20:50,157 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-21 15:20:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-21 15:20:50,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-21 15:20:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 15:20:50,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 15:20:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-21 15:20:50,158 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-21 15:20:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-21 15:20:50,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-21 15:20:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-21 15:20:50,158 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-21 15:20:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-21 15:20:50,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-21 15:20:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-21 15:20:50,159 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-21 15:20:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-21 15:20:50,159 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-21 15:20:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-21 15:20:50,159 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-21 15:20:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 15:20:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-21 15:20:50,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-21 15:20:50,159 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-21 15:20:50,160 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-21 15:20:50,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 15:20:50,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 15:20:51,354 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 15:20:51,357 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 15:20:51,499 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:20:51,856 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:20:51,856 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:20:51,856 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; [2022-07-21 15:20:51,856 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; [2022-07-21 15:20:51,857 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; [2022-07-21 15:20:51,857 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 [2022-07-21 15:20:51,857 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; [2022-07-21 15:20:51,857 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; [2022-07-21 15:20:51,857 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:51,857 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:51,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:51,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:51,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:51,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:51,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:51,858 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; [2022-07-21 15:20:51,858 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:51,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:51,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:51,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:51,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:51,859 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 [2022-07-21 15:20:51,859 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 [2022-07-21 15:20:51,859 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:20:51,860 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); [2022-07-21 15:20:51,860 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-21 15:20:54,167 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); [2022-07-21 15:20:54,167 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; [2022-07-21 15:20:54,167 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:54,167 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:54,168 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 [2022-07-21 15:20:54,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:54,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:54,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:54,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:54,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:54,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:54,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:54,168 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:54,168 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 [2022-07-21 15:20:54,169 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:20:54,169 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; [2022-07-21 15:20:54,173 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 [2022-07-21 15:20:54,173 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:20:54,173 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:20:54,173 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; [2022-07-21 15:20:54,174 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; [2022-07-21 15:20:54,174 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-21 15:20:54,174 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-21 15:20:54,174 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-21 15:20:54,174 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; [2022-07-21 15:20:54,174 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; [2022-07-21 15:23:08,804 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:23:08,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:23:08,829 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-21 15:23:08,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:23:08 BoogieIcfgContainer [2022-07-21 15:23:08,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:23:08,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:23:08,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:23:08,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:23:08,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:20:43" (1/3) ... [2022-07-21 15:23:08,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5c918d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:23:08, skipping insertion in model container [2022-07-21 15:23:08,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:20:48" (2/3) ... [2022-07-21 15:23:08,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5c918d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:23:08, skipping insertion in model container [2022-07-21 15:23:08,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:23:08" (3/3) ... [2022-07-21 15:23:08,840 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-21 15:23:08,851 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:23:08,851 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-21 15:23:08,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:23:08,952 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@23c55ae0, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6e14c47e [2022-07-21 15:23:08,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-21 15:23:08,967 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) [2022-07-21 15:23:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-21 15:23:08,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:23:08,981 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] [2022-07-21 15:23:08,981 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)] === [2022-07-21 15:23:08,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:23:08,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1289295384, now seen corresponding path program 1 times [2022-07-21 15:23:08,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:23:09,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733482575] [2022-07-21 15:23:09,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:23:09,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:23:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:23:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 15:23:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 15:23:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 15:23:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-21 15:23:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 15:23:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:23:10,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-21 15:23:10,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:23:10,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733482575] [2022-07-21 15:23:10,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733482575] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:23:10,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:23:10,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 15:23:10,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754746850] [2022-07-21 15:23:10,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:23:10,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 15:23:10,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:23:10,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 15:23:10,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 15:23:10,576 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) [2022-07-21 15:23:12,793 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 [] [2022-07-21 15:23:16,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:23:19,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:23:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:23:27,959 INFO L93 Difference]: Finished difference Result 9399 states and 13635 transitions. [2022-07-21 15:23:27,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:23:27,962 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 [2022-07-21 15:23:27,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:23:28,013 INFO L225 Difference]: With dead ends: 9399 [2022-07-21 15:23:28,014 INFO L226 Difference]: Without dead ends: 5637 [2022-07-21 15:23:28,036 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 [2022-07-21 15:23:28,039 INFO L413 NwaCegarLoop]: 6694 mSDtfsCounter, 5431 mSDsluCounter, 11414 mSDsCounter, 0 mSdLazyCounter, 4746 mSolverCounterSat, 1511 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5909 SdHoareTripleChecker+Valid, 18108 SdHoareTripleChecker+Invalid, 6260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1511 IncrementalHoareTripleChecker+Valid, 4746 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:23:28,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5909 Valid, 18108 Invalid, 6260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1511 Valid, 4746 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2022-07-21 15:23:28,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5637 states. [2022-07-21 15:23:28,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5637 to 5024. [2022-07-21 15:23:28,352 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) [2022-07-21 15:23:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 7070 transitions. [2022-07-21 15:23:28,386 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 7070 transitions. Word has length 75 [2022-07-21 15:23:28,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:23:28,387 INFO L495 AbstractCegarLoop]: Abstraction has 5024 states and 7070 transitions. [2022-07-21 15:23:28,388 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) [2022-07-21 15:23:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 7070 transitions. [2022-07-21 15:23:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-21 15:23:28,403 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:23:28,403 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] [2022-07-21 15:23:28,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 15:23:28,404 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)] === [2022-07-21 15:23:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:23:28,405 INFO L85 PathProgramCache]: Analyzing trace with hash -302318001, now seen corresponding path program 1 times [2022-07-21 15:23:28,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:23:28,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907535695] [2022-07-21 15:23:28,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:23:28,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:23:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:23:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 15:23:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 15:23:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 15:23:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 15:23:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:23:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 15:23:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:23:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 15:23:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 15:23:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:23:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:29,471 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-21 15:23:29,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:23:29,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907535695] [2022-07-21 15:23:29,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907535695] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:23:29,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:23:29,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:23:29,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47996844] [2022-07-21 15:23:29,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:23:29,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:23:29,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:23:29,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:23:29,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:23:29,476 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) [2022-07-21 15:23:31,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:23:34,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:23:37,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:23:41,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:23:53,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:23:53,901 INFO L93 Difference]: Finished difference Result 6538 states and 9432 transitions. [2022-07-21 15:23:53,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 15:23:53,901 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 [2022-07-21 15:23:53,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:23:53,933 INFO L225 Difference]: With dead ends: 6538 [2022-07-21 15:23:53,933 INFO L226 Difference]: Without dead ends: 6536 [2022-07-21 15:23:53,936 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 [2022-07-21 15:23:53,937 INFO L413 NwaCegarLoop]: 6495 mSDtfsCounter, 6435 mSDsluCounter, 11691 mSDsCounter, 0 mSdLazyCounter, 5546 mSolverCounterSat, 2728 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7006 SdHoareTripleChecker+Valid, 18186 SdHoareTripleChecker+Invalid, 8278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2728 IncrementalHoareTripleChecker+Valid, 5546 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2022-07-21 15:23:53,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7006 Valid, 18186 Invalid, 8278 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2728 Valid, 5546 Invalid, 4 Unknown, 0 Unchecked, 23.9s Time] [2022-07-21 15:23:53,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2022-07-21 15:23:54,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 5065. [2022-07-21 15:23:54,089 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) [2022-07-21 15:23:54,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5065 states to 5065 states and 7109 transitions. [2022-07-21 15:23:54,108 INFO L78 Accepts]: Start accepts. Automaton has 5065 states and 7109 transitions. Word has length 182 [2022-07-21 15:23:54,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:23:54,108 INFO L495 AbstractCegarLoop]: Abstraction has 5065 states and 7109 transitions. [2022-07-21 15:23:54,109 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) [2022-07-21 15:23:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 5065 states and 7109 transitions. [2022-07-21 15:23:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 15:23:54,115 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:23:54,115 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] [2022-07-21 15:23:54,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 15:23:54,116 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)] === [2022-07-21 15:23:54,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:23:54,116 INFO L85 PathProgramCache]: Analyzing trace with hash 112075293, now seen corresponding path program 1 times [2022-07-21 15:23:54,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:23:54,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016277362] [2022-07-21 15:23:54,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:23:54,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:23:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:23:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 15:23:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 15:23:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 15:23:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 15:23:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:23:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 15:23:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:23:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 15:23:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:23:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:23:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 15:23:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:23:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 15:23:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 15:23:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-21 15:23:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 15:23:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 15:23:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 15:23:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:23:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:23:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 15:23:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 15:23:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 15:23:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:23:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-21 15:23:55,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:23:55,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016277362] [2022-07-21 15:23:55,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016277362] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:23:55,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:23:55,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 15:23:55,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045484912] [2022-07-21 15:23:55,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:23:55,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 15:23:55,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:23:55,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 15:23:55,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 15:23:55,188 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) [2022-07-21 15:23:57,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:23:59,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:02,468 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:04,480 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:07,046 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 [] [2022-07-21 15:24:19,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:24:19,969 INFO L93 Difference]: Finished difference Result 10252 states and 14599 transitions. [2022-07-21 15:24:19,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 15:24:19,970 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 [2022-07-21 15:24:19,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:24:20,012 INFO L225 Difference]: With dead ends: 10252 [2022-07-21 15:24:20,012 INFO L226 Difference]: Without dead ends: 7472 [2022-07-21 15:24:20,029 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 [2022-07-21 15:24:20,030 INFO L413 NwaCegarLoop]: 5071 mSDtfsCounter, 5045 mSDsluCounter, 11104 mSDsCounter, 0 mSdLazyCounter, 6424 mSolverCounterSat, 2956 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5155 SdHoareTripleChecker+Valid, 16175 SdHoareTripleChecker+Invalid, 9385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2956 IncrementalHoareTripleChecker+Valid, 6424 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:24:20,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5155 Valid, 16175 Invalid, 9385 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2956 Valid, 6424 Invalid, 5 Unknown, 0 Unchecked, 24.4s Time] [2022-07-21 15:24:20,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7472 states. [2022-07-21 15:24:20,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7472 to 5069. [2022-07-21 15:24:20,221 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) [2022-07-21 15:24:20,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5069 states to 5069 states and 7113 transitions. [2022-07-21 15:24:20,241 INFO L78 Accepts]: Start accepts. Automaton has 5069 states and 7113 transitions. Word has length 260 [2022-07-21 15:24:20,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:24:20,243 INFO L495 AbstractCegarLoop]: Abstraction has 5069 states and 7113 transitions. [2022-07-21 15:24:20,244 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) [2022-07-21 15:24:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 5069 states and 7113 transitions. [2022-07-21 15:24:20,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-21 15:24:20,251 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:24:20,252 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] [2022-07-21 15:24:20,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 15:24:20,252 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)] === [2022-07-21 15:24:20,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:24:20,253 INFO L85 PathProgramCache]: Analyzing trace with hash -894458586, now seen corresponding path program 1 times [2022-07-21 15:24:20,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:24:20,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696869491] [2022-07-21 15:24:20,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:24:20,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 15:24:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 15:24:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 15:24:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 15:24:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-21 15:24:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 15:24:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:24:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:24:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 15:24:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:24:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:24:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 15:24:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:24:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:24:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 15:24:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:24:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:24:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 15:24:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 15:24:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 15:24:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-21 15:24:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 15:24:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-21 15:24:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 15:24:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-21 15:24:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 15:24:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 15:24:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 15:24:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-21 15:24:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 15:24:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 15:24:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 15:24:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 15:24:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:24:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-21 15:24:21,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 15:24:21,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696869491] [2022-07-21 15:24:21,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696869491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:24:21,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:24:21,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 15:24:21,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557145027] [2022-07-21 15:24:21,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:24:21,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 15:24:21,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 15:24:21,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 15:24:21,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 15:24:21,286 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) [2022-07-21 15:24:23,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:25,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:27,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:30,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:32,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:34,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:36,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:38,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:40,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:42,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:54,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 15:24:55,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:24:55,328 INFO L93 Difference]: Finished difference Result 11077 states and 15732 transitions. [2022-07-21 15:24:55,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 15:24:55,328 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 [2022-07-21 15:24:55,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:24:55,361 INFO L225 Difference]: With dead ends: 11077 [2022-07-21 15:24:55,361 INFO L226 Difference]: Without dead ends: 6080 [2022-07-21 15:24:55,380 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 [2022-07-21 15:24:55,382 INFO L413 NwaCegarLoop]: 3836 mSDtfsCounter, 2239 mSDsluCounter, 7923 mSDsCounter, 0 mSdLazyCounter, 5319 mSolverCounterSat, 1635 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2349 SdHoareTripleChecker+Valid, 11759 SdHoareTripleChecker+Invalid, 6962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1635 IncrementalHoareTripleChecker+Valid, 5319 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:24:55,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2349 Valid, 11759 Invalid, 6962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1635 Valid, 5319 Invalid, 8 Unknown, 0 Unchecked, 33.7s Time] [2022-07-21 15:24:55,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6080 states. [2022-07-21 15:24:55,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6080 to 5071. [2022-07-21 15:24:55,569 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) [2022-07-21 15:24:55,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 7115 transitions. [2022-07-21 15:24:55,583 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 7115 transitions. Word has length 270 [2022-07-21 15:24:55,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:24:55,584 INFO L495 AbstractCegarLoop]: Abstraction has 5071 states and 7115 transitions. [2022-07-21 15:24:55,585 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) [2022-07-21 15:24:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 7115 transitions. [2022-07-21 15:24:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-21 15:24:55,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:24:55,591 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] [2022-07-21 15:24:55,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 15:24:55,592 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)] === [2022-07-21 15:24:55,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:24:55,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1555141544, now seen corresponding path program 1 times [2022-07-21 15:24:55,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 15:24:55,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507569555] [2022-07-21 15:24:55,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:24:55,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms