./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 eb692b52 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-?-eb692b5 [2022-07-20 03:49:27,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:49:27,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:49:27,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:49:27,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:49:27,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:49:27,644 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:49:27,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:49:27,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:49:27,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:49:27,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:49:27,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:49:27,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:49:27,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:49:27,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:49:27,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:49:27,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:49:27,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:49:27,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:49:27,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:49:27,676 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:49:27,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:49:27,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:49:27,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:49:27,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:49:27,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:49:27,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:49:27,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:49:27,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:49:27,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:49:27,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:49:27,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:49:27,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:49:27,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:49:27,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:49:27,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:49:27,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:49:27,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:49:27,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:49:27,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:49:27,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:49:27,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:49:27,697 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:49:27,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:49:27,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:49:27,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:49:27,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:49:27,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:49:27,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:49:27,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:49:27,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:49:27,727 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:49:27,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:49:27,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:49:27,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:49:27,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:49:27,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:49:27,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:49:27,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:49:27,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:49:27,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:49:27,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:49:27,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:49:27,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:49:27,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:49:27,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:49:27,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:49:27,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:49:27,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:49:27,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:49:27,733 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:49:27,733 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:49:27,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:49:27,733 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2022-07-20 03:49:27,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:49:27,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:49:27,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:49:27,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:49:27,981 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:49:27,983 INFO L432 ainManager$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 [2022-07-20 03:49:28,053 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8fd6fe1/069c496748394b9a95b09660b83a6e19/FLAG2c90898e0 [2022-07-20 03:49:28,860 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:49:28,861 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 [2022-07-20 03:49:28,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8fd6fe1/069c496748394b9a95b09660b83a6e19/FLAG2c90898e0 [2022-07-20 03:49:29,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8fd6fe1/069c496748394b9a95b09660b83a6e19 [2022-07-20 03:49:29,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:49:29,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:49:29,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:49:29,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:49:29,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:49:29,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:49:29" (1/1) ... [2022-07-20 03:49:29,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebe7d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:29, skipping insertion in model container [2022-07-20 03:49:29,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:49:29" (1/1) ... [2022-07-20 03:49:29,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:49:29,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:49:33,241 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] [2022-07-20 03:49:33,244 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] [2022-07-20 03:49:33,244 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] [2022-07-20 03:49:33,244 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] [2022-07-20 03:49:33,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:49:33,321 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:49:33,958 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] [2022-07-20 03:49:33,959 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] [2022-07-20 03:49:33,959 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] [2022-07-20 03:49:33,960 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] [2022-07-20 03:49:33,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:49:34,160 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:49:34,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34 WrapperNode [2022-07-20 03:49:34,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:49:34,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:49:34,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:49:34,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:49:34,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:34,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:34,823 INFO L137 Inliner]: procedures = 524, calls = 8711, calls flagged for inlining = 290, calls inlined = 230, statements flattened = 13004 [2022-07-20 03:49:34,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:49:34,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:49:34,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:49:34,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:49:34,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:34,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:34,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:34,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:35,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:35,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:35,265 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:35,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:49:35,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:49:35,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:49:35,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:49:35,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (1/1) ... [2022-07-20 03:49:35,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:49:35,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:49:35,394 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) [2022-07-20 03:49:35,471 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 [2022-07-20 03:49:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 03:49:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 03:49:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-20 03:49:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-20 03:49:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:49:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:49:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:49:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:49:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_read [2022-07-20 03:49:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_read [2022-07-20 03:49:35,506 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_release [2022-07-20 03:49:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_release [2022-07-20 03:49:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_control [2022-07-20 03:49:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_control [2022-07-20 03:49:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2022-07-20 03:49:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2022-07-20 03:49:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_add_mapping [2022-07-20 03:49:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_add_mapping [2022-07-20 03:49:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_finish [2022-07-20 03:49:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_finish [2022-07-20 03:49:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-07-20 03:49:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-07-20 03:49:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-07-20 03:49:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_prepare [2022-07-20 03:49:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_prepare [2022-07-20 03:49:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_urb_buffers [2022-07-20 03:49:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_urb_buffers [2022-07-20 03:49:35,507 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_reset [2022-07-20 03:49:35,508 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_reset [2022-07-20 03:49:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2022-07-20 03:49:35,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2022-07-20 03:49:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:49:35,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:49:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 03:49:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_ts [2022-07-20 03:49:35,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_ts [2022-07-20 03:49:35,508 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_by_id [2022-07-20 03:49:35,508 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_by_id [2022-07-20 03:49:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:49:35,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:49:35,521 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 03:49:35,521 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 03:49:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 03:49:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 03:49:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:49:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:49:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 03:49:35,522 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 03:49:35,522 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-07-20 03:49:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-07-20 03:49:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:49:35,523 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-20 03:49:35,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-20 03:49:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_v4l2_ctrl [2022-07-20 03:49:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_v4l2_ctrl [2022-07-20 03:49:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_data [2022-07-20 03:49:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_data [2022-07-20 03:49:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 03:49:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 03:49:35,524 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-07-20 03:49:35,524 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-07-20 03:49:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_ioctl [2022-07-20 03:49:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_ioctl [2022-07-20 03:49:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 03:49:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 03:49:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_populate_cache [2022-07-20 03:49:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_populate_cache [2022-07-20 03:49:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 03:49:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_add_info [2022-07-20 03:49:35,525 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_add_info [2022-07-20 03:49:35,525 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:49:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:49:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2022-07-20 03:49:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2022-07-20 03:49:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 03:49:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_query_ctrl [2022-07-20 03:49:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_query_ctrl [2022-07-20 03:49:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:49:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:49:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_wait_finish [2022-07-20 03:49:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_wait_finish [2022-07-20 03:49:35,526 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_reset_resume [2022-07-20 03:49:35,526 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_reset_resume [2022-07-20 03:49:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-20 03:49:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-20 03:49:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 03:49:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-20 03:49:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-20 03:49:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:49:35,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:49:35,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:49:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:49:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-20 03:49:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-20 03:49:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:49:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:49:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_scan_chain_forward [2022-07-20 03:49:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_scan_chain_forward [2022-07-20 03:49:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove_recursive [2022-07-20 03:49:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove_recursive [2022-07-20 03:49:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_commit_video [2022-07-20 03:49:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_commit_video [2022-07-20 03:49:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-07-20 03:49:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 03:49:35,528 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 03:49:35,528 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-20 03:49:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-20 03:49:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:49:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-20 03:49:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-20 03:49:35,529 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_ctrl_get [2022-07-20 03:49:35,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_ctrl_get [2022-07-20 03:49:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:49:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_find_endpoint [2022-07-20 03:49:35,532 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_find_endpoint [2022-07-20 03:49:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:49:35,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:49:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:49:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 03:49:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_endpoint_max_bpi [2022-07-20 03:49:35,533 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_endpoint_max_bpi [2022-07-20 03:49:35,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:49:35,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 03:49:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_set_video_ctrl [2022-07-20 03:49:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_set_video_ctrl [2022-07-20 03:49:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-20 03:49:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-20 03:49:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_delete [2022-07-20 03:49:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_delete [2022-07-20 03:49:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_commit_entity [2022-07-20 03:49:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_commit_entity [2022-07-20 03:49:35,537 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_free_urb_buffers [2022-07-20 03:49:35,537 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_free_urb_buffers [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_del_event [2022-07-20 03:49:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_del_event [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-20 03:49:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_v4l2_open [2022-07-20 03:49:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_v4l2_open [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:49:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-20 03:49:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:49:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-20 03:49:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_fill_event [2022-07-20 03:49:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_fill_event [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-20 03:49:35,538 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-20 03:49:35,538 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_plane_payload [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_plane_payload [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_queue_fh [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_queue_fh [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_init_video [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_init_video [2022-07-20 03:49:35,539 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_start [2022-07-20 03:49:35,539 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_start [2022-07-20 03:49:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:49:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:49:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2022-07-20 03:49:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2022-07-20 03:49:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR_OR_NULL [2022-07-20 03:49:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR_OR_NULL [2022-07-20 03:49:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_find_control [2022-07-20 03:49:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_find_control [2022-07-20 03:49:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_cleanup [2022-07-20 03:49:35,540 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_cleanup [2022-07-20 03:49:35,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-20 03:49:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-20 03:49:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-20 03:49:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-20 03:49:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-20 03:49:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-20 03:49:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_prepare [2022-07-20 03:49:35,541 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_prepare [2022-07-20 03:49:35,541 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 03:49:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_set_zoom [2022-07-20 03:49:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_set_zoom [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_test_bit [2022-07-20 03:49:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_test_bit [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 03:49:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2022-07-20 03:49:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_status_stop [2022-07-20 03:49:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_status_stop [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_alloc_entity [2022-07-20 03:49:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_alloc_entity [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-07-20 03:49:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_query_ctrl [2022-07-20 03:49:35,542 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_query_ctrl [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:49:35,542 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_dismiss_privileges [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_dismiss_privileges [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~__u8~0~X~$Pointer$~TO~~__s32~0 [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_clock_host_sof [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_clock_host_sof [2022-07-20 03:49:35,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-07-20 03:49:35,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-07-20 03:49:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 03:49:35,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 03:49:35,544 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 03:49:35,559 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 03:49:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure compat_alloc_user_space [2022-07-20 03:49:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_alloc_user_space [2022-07-20 03:49:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2022-07-20 03:49:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2022-07-20 03:49:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2022-07-20 03:49:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2022-07-20 03:49:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_print_terms [2022-07-20 03:49:35,562 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_print_terms [2022-07-20 03:49:35,562 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-20 03:49:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-20 03:49:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_has_privileges [2022-07-20 03:49:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_has_privileges [2022-07-20 03:49:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_video_enable [2022-07-20 03:49:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_video_enable [2022-07-20 03:49:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:49:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:49:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 03:49:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:49:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:49:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-20 03:49:35,563 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-20 03:49:35,563 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_entity_match_guid [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_entity_match_guid [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_uninit_video [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_uninit_video [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_debugfs_cleanup_stream [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_debugfs_cleanup_stream [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_enable [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_enable [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_get_video_ctrl [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_get_video_ctrl [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-20 03:49:35,564 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-20 03:49:35,564 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_buffer_queue [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_buffer_queue [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure __uvc_resume [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __uvc_resume [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_unregister_video [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_unregister_video [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_resume [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_resume [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-07-20 03:49:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_queue_streaming [2022-07-20 03:49:35,565 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_queue_streaming [2022-07-20 03:49:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_disconnect [2022-07-20 03:49:35,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_disconnect [2022-07-20 03:49:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 03:49:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-07-20 03:49:35,566 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-07-20 03:49:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure uvc_ctrl_get_zoom [2022-07-20 03:49:35,566 INFO L138 BoogieDeclarations]: Found implementation of procedure uvc_ctrl_get_zoom [2022-07-20 03:49:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:49:35,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:49:36,725 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:49:36,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:49:36,951 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:49:37,252 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 03:49:37,252 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 03:49:37,252 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; [2022-07-20 03:49:37,253 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; [2022-07-20 03:49:37,253 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; [2022-07-20 03:49:37,253 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 [2022-07-20 03:49:37,253 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; [2022-07-20 03:49:37,253 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; [2022-07-20 03:49:37,253 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:37,253 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:37,253 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:37,254 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:37,254 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:37,254 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:37,254 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:37,254 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; [2022-07-20 03:49:37,254 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:37,254 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:37,254 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:37,254 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:37,255 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:37,255 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 [2022-07-20 03:49:37,255 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 [2022-07-20 03:49:37,255 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 03:49:37,255 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); [2022-07-20 03:49:37,255 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~18#1; [2022-07-20 03:49:39,131 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); [2022-07-20 03:49:39,132 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; [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:39,132 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 [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:39,132 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 [2022-07-20 03:49:39,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 03:49:39,132 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; [2022-07-20 03:49:39,132 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 [2022-07-20 03:49:39,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 03:49:39,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 03:49:39,133 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; [2022-07-20 03:49:39,133 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; [2022-07-20 03:49:39,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~17#1; [2022-07-20 03:49:39,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-07-20 03:49:39,133 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-07-20 03:49:39,133 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; [2022-07-20 03:49:39,133 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; [2022-07-20 03:51:53,397 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:51:53,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:51:53,421 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-07-20 03:51:53,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:51:53 BoogieIcfgContainer [2022-07-20 03:51:53,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:51:53,427 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:51:53,427 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:51:53,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:51:53,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:49:29" (1/3) ... [2022-07-20 03:51:53,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d7bfe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:51:53, skipping insertion in model container [2022-07-20 03:51:53,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:49:34" (2/3) ... [2022-07-20 03:51:53,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d7bfe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:51:53, skipping insertion in model container [2022-07-20 03:51:53,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:51:53" (3/3) ... [2022-07-20 03:51:53,432 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2022-07-20 03:51:53,441 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:51:53,441 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-20 03:51:53,511 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:51:53,515 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@274a03fb, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5e538397 [2022-07-20 03:51:53,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-20 03:51:53,525 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) [2022-07-20 03:51:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-07-20 03:51:53,532 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:51:53,532 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] [2022-07-20 03:51:53,533 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)] === [2022-07-20 03:51:53,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:51:53,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1289295384, now seen corresponding path program 1 times [2022-07-20 03:51:53,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:51:53,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232189277] [2022-07-20 03:51:53,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:51:53,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:51:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:51:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:51:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:51:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 03:51:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 03:51:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 03:51:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-07-20 03:51:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:51:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 03:51:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:51:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:51:54,730 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-20 03:51:54,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:51:54,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232189277] [2022-07-20 03:51:54,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232189277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:51:54,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:51:54,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 03:51:54,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705637597] [2022-07-20 03:51:54,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:51:54,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 03:51:54,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:51:54,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 03:51:54,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 03:51:54,761 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) [2022-07-20 03:51:56,925 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 [] [2022-07-20 03:52:00,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:03,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:11,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:52:11,549 INFO L93 Difference]: Finished difference Result 9399 states and 13635 transitions. [2022-07-20 03:52:11,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:52:11,551 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 [2022-07-20 03:52:11,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:52:11,616 INFO L225 Difference]: With dead ends: 9399 [2022-07-20 03:52:11,617 INFO L226 Difference]: Without dead ends: 5637 [2022-07-20 03:52:11,635 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 [2022-07-20 03:52:11,637 INFO L413 NwaCegarLoop]: 6709 mSDtfsCounter, 5422 mSDsluCounter, 11436 mSDsCounter, 0 mSdLazyCounter, 4748 mSolverCounterSat, 1508 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5897 SdHoareTripleChecker+Valid, 18145 SdHoareTripleChecker+Invalid, 6259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1508 IncrementalHoareTripleChecker+Valid, 4748 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-07-20 03:52:11,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5897 Valid, 18145 Invalid, 6259 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1508 Valid, 4748 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2022-07-20 03:52:11,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5637 states. [2022-07-20 03:52:11,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5637 to 5024. [2022-07-20 03:52:11,852 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) [2022-07-20 03:52:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5024 states to 5024 states and 7070 transitions. [2022-07-20 03:52:11,878 INFO L78 Accepts]: Start accepts. Automaton has 5024 states and 7070 transitions. Word has length 75 [2022-07-20 03:52:11,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:52:11,879 INFO L495 AbstractCegarLoop]: Abstraction has 5024 states and 7070 transitions. [2022-07-20 03:52:11,879 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) [2022-07-20 03:52:11,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5024 states and 7070 transitions. [2022-07-20 03:52:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-20 03:52:11,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:52:11,893 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] [2022-07-20 03:52:11,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 03:52:11,893 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)] === [2022-07-20 03:52:11,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:52:11,894 INFO L85 PathProgramCache]: Analyzing trace with hash -302318001, now seen corresponding path program 1 times [2022-07-20 03:52:11,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:52:11,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226681470] [2022-07-20 03:52:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:52:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:52:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:52:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 03:52:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 03:52:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 03:52:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-20 03:52:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:52:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 03:52:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 03:52:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 03:52:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:52:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:52:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:12,671 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2022-07-20 03:52:12,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:52:12,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226681470] [2022-07-20 03:52:12,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226681470] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:52:12,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:52:12,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:52:12,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218262403] [2022-07-20 03:52:12,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:52:12,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:52:12,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:52:12,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:52:12,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:52:12,675 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) [2022-07-20 03:52:14,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:18,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:20,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:24,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:37,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:38,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:52:38,433 INFO L93 Difference]: Finished difference Result 6538 states and 9432 transitions. [2022-07-20 03:52:38,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 03:52:38,434 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 [2022-07-20 03:52:38,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:52:38,467 INFO L225 Difference]: With dead ends: 6538 [2022-07-20 03:52:38,467 INFO L226 Difference]: Without dead ends: 6536 [2022-07-20 03:52:38,472 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 [2022-07-20 03:52:38,475 INFO L413 NwaCegarLoop]: 6471 mSDtfsCounter, 6447 mSDsluCounter, 11649 mSDsCounter, 0 mSdLazyCounter, 5546 mSolverCounterSat, 2730 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7031 SdHoareTripleChecker+Valid, 18120 SdHoareTripleChecker+Invalid, 8280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2730 IncrementalHoareTripleChecker+Valid, 5546 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-07-20 03:52:38,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7031 Valid, 18120 Invalid, 8280 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2730 Valid, 5546 Invalid, 4 Unknown, 0 Unchecked, 25.2s Time] [2022-07-20 03:52:38,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6536 states. [2022-07-20 03:52:38,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6536 to 5065. [2022-07-20 03:52:38,634 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) [2022-07-20 03:52:38,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5065 states to 5065 states and 7109 transitions. [2022-07-20 03:52:38,655 INFO L78 Accepts]: Start accepts. Automaton has 5065 states and 7109 transitions. Word has length 182 [2022-07-20 03:52:38,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:52:38,655 INFO L495 AbstractCegarLoop]: Abstraction has 5065 states and 7109 transitions. [2022-07-20 03:52:38,656 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) [2022-07-20 03:52:38,656 INFO L276 IsEmpty]: Start isEmpty. Operand 5065 states and 7109 transitions. [2022-07-20 03:52:38,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-20 03:52:38,662 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:52:38,662 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] [2022-07-20 03:52:38,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 03:52:38,663 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)] === [2022-07-20 03:52:38,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:52:38,663 INFO L85 PathProgramCache]: Analyzing trace with hash 112075293, now seen corresponding path program 1 times [2022-07-20 03:52:38,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:52:38,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193554202] [2022-07-20 03:52:38,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:52:38,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:52:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:52:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 03:52:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 03:52:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 03:52:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-20 03:52:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:52:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 03:52:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 03:52:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 03:52:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:52:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:52:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:52:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:52:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:52:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 03:52:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:52:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 03:52:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 03:52:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 03:52:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:52:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:52:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 03:52:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 03:52:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 03:52:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:52:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-20 03:52:39,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:52:39,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193554202] [2022-07-20 03:52:39,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193554202] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:52:39,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:52:39,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 03:52:39,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654172346] [2022-07-20 03:52:39,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:52:39,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 03:52:39,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:52:39,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 03:52:39,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-20 03:52:39,640 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) [2022-07-20 03:52:41,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:43,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:47,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:49,381 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:52:52,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:03,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-20 03:53:09,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:53:09,044 INFO L93 Difference]: Finished difference Result 10252 states and 14599 transitions. [2022-07-20 03:53:09,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 03:53:09,045 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 [2022-07-20 03:53:09,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:53:09,080 INFO L225 Difference]: With dead ends: 10252 [2022-07-20 03:53:09,080 INFO L226 Difference]: Without dead ends: 7472 [2022-07-20 03:53:09,093 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 [2022-07-20 03:53:09,095 INFO L413 NwaCegarLoop]: 5058 mSDtfsCounter, 5045 mSDsluCounter, 11096 mSDsCounter, 0 mSdLazyCounter, 6419 mSolverCounterSat, 2961 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5155 SdHoareTripleChecker+Valid, 16154 SdHoareTripleChecker+Invalid, 9386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2961 IncrementalHoareTripleChecker+Valid, 6419 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-07-20 03:53:09,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5155 Valid, 16154 Invalid, 9386 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2961 Valid, 6419 Invalid, 6 Unknown, 0 Unchecked, 28.8s Time] [2022-07-20 03:53:09,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7472 states. [2022-07-20 03:53:09,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7472 to 5069. [2022-07-20 03:53:09,256 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) [2022-07-20 03:53:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5069 states to 5069 states and 7113 transitions. [2022-07-20 03:53:09,269 INFO L78 Accepts]: Start accepts. Automaton has 5069 states and 7113 transitions. Word has length 260 [2022-07-20 03:53:09,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:53:09,271 INFO L495 AbstractCegarLoop]: Abstraction has 5069 states and 7113 transitions. [2022-07-20 03:53:09,272 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) [2022-07-20 03:53:09,272 INFO L276 IsEmpty]: Start isEmpty. Operand 5069 states and 7113 transitions. [2022-07-20 03:53:09,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-20 03:53:09,277 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:53:09,277 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] [2022-07-20 03:53:09,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 03:53:09,278 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)] === [2022-07-20 03:53:09,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:53:09,278 INFO L85 PathProgramCache]: Analyzing trace with hash -894458586, now seen corresponding path program 1 times [2022-07-20 03:53:09,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:53:09,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901773865] [2022-07-20 03:53:09,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:53:09,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:53:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:53:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 03:53:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 03:53:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 03:53:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-20 03:53:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:53:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 03:53:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 03:53:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 03:53:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:53:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:53:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:09,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:53:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 03:53:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:53:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 03:53:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 03:53:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 03:53:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:53:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:53:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 03:53:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 03:53:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:10,112 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-20 03:53:10,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:53:10,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901773865] [2022-07-20 03:53:10,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901773865] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:53:10,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:53:10,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 03:53:10,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826550331] [2022-07-20 03:53:10,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:53:10,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 03:53:10,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:53:10,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 03:53:10,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-20 03:53:10,114 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) [2022-07-20 03:53:12,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:14,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:16,315 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:19,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:21,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:23,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:26,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:43,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:53:43,289 INFO L93 Difference]: Finished difference Result 11061 states and 15708 transitions. [2022-07-20 03:53:43,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 03:53:43,289 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 [2022-07-20 03:53:43,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:53:43,318 INFO L225 Difference]: With dead ends: 11061 [2022-07-20 03:53:43,319 INFO L226 Difference]: Without dead ends: 6064 [2022-07-20 03:53:43,331 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 [2022-07-20 03:53:43,332 INFO L413 NwaCegarLoop]: 3836 mSDtfsCounter, 2229 mSDsluCounter, 7924 mSDsCounter, 0 mSdLazyCounter, 5308 mSolverCounterSat, 1631 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2338 SdHoareTripleChecker+Valid, 11760 SdHoareTripleChecker+Invalid, 6946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1631 IncrementalHoareTripleChecker+Valid, 5308 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:53:43,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2338 Valid, 11760 Invalid, 6946 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1631 Valid, 5308 Invalid, 7 Unknown, 0 Unchecked, 32.7s Time] [2022-07-20 03:53:43,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6064 states. [2022-07-20 03:53:43,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6064 to 5071. [2022-07-20 03:53:43,449 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) [2022-07-20 03:53:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 7115 transitions. [2022-07-20 03:53:43,461 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 7115 transitions. Word has length 270 [2022-07-20 03:53:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:53:43,461 INFO L495 AbstractCegarLoop]: Abstraction has 5071 states and 7115 transitions. [2022-07-20 03:53:43,461 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) [2022-07-20 03:53:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 7115 transitions. [2022-07-20 03:53:43,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-07-20 03:53:43,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:53:43,467 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] [2022-07-20 03:53:43,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 03:53:43,467 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)] === [2022-07-20 03:53:43,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:53:43,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1555141544, now seen corresponding path program 1 times [2022-07-20 03:53:43,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 03:53:43,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630623618] [2022-07-20 03:53:43,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:53:43,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 03:53:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 03:53:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-20 03:53:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 03:53:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-20 03:53:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-20 03:53:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 03:53:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 03:53:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 03:53:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 03:53:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 03:53:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 03:53:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 03:53:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 03:53:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 03:53:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 03:53:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 03:53:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 03:53:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 03:53:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 03:53:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-20 03:53:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 03:53:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 03:53:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-20 03:53:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 03:53:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:53:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-07-20 03:53:44,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 03:53:44,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630623618] [2022-07-20 03:53:44,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630623618] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:53:44,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:53:44,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 03:53:44,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58290985] [2022-07-20 03:53:44,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:53:44,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 03:53:44,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 03:53:44,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 03:53:44,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-20 03:53:44,461 INFO L87 Difference]: Start difference. First operand 5071 states and 7115 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 5 states have internal predecessors, (116), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 03:53:46,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:48,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 03:53:52,474 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 []