./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 c36dfa3b 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 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 13:09:54,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 13:09:54,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 13:09:55,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 13:09:55,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 13:09:55,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 13:09:55,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 13:09:55,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 13:09:55,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 13:09:55,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 13:09:55,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 13:09:55,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 13:09:55,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 13:09:55,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 13:09:55,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 13:09:55,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 13:09:55,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 13:09:55,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 13:09:55,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 13:09:55,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 13:09:55,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 13:09:55,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 13:09:55,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 13:09:55,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 13:09:55,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 13:09:55,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 13:09:55,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 13:09:55,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 13:09:55,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 13:09:55,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 13:09:55,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 13:09:55,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 13:09:55,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 13:09:55,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 13:09:55,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 13:09:55,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 13:09:55,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 13:09:55,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 13:09:55,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 13:09:55,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 13:09:55,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 13:09:55,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 13:09:55,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 13:09:55,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 13:09:55,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 13:09:55,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 13:09:55,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 13:09:55,090 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 13:09:55,091 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 13:09:55,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 13:09:55,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 13:09:55,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 13:09:55,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 13:09:55,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 13:09:55,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 13:09:55,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 13:09:55,092 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 13:09:55,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 13:09:55,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 13:09:55,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 13:09:55,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 13:09:55,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 13:09:55,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 13:09:55,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 13:09:55,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 13:09:55,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 13:09:55,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 13:09:55,094 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 13:09:55,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 13:09:55,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 13:09:55,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 13:09:55,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e91317f289ae08033f6458d219d3b71fd8a7791b2777f777b60194968c497219 [2021-11-04 13:09:55,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 13:09:55,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 13:09:55,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 13:09:55,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 13:09:55,355 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 13:09:55,360 INFO L432 ainManager$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 [2021-11-04 13:09:55,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca4a3c68/21f031561b61448483988e49dd926cad/FLAGfdbdd2b11 [2021-11-04 13:09:56,590 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 13:09:56,591 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 [2021-11-04 13:09:56,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca4a3c68/21f031561b61448483988e49dd926cad/FLAGfdbdd2b11 [2021-11-04 13:09:56,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca4a3c68/21f031561b61448483988e49dd926cad [2021-11-04 13:09:56,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 13:09:56,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 13:09:56,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 13:09:56,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 13:09:56,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 13:09:56,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:09:56" (1/1) ... [2021-11-04 13:09:56,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3c49ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:09:56, skipping insertion in model container [2021-11-04 13:09:56,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:09:56" (1/1) ... [2021-11-04 13:09:56,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 13:09:57,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 13:10:02,446 WARN L228 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] [2021-11-04 13:10:02,449 WARN L228 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] [2021-11-04 13:10:02,450 WARN L228 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] [2021-11-04 13:10:02,450 WARN L228 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] [2021-11-04 13:10:02,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 13:10:02,582 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 13:10:03,099 WARN L228 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] [2021-11-04 13:10:03,100 WARN L228 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] [2021-11-04 13:10:03,100 WARN L228 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] [2021-11-04 13:10:03,100 WARN L228 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] [2021-11-04 13:10:03,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 13:10:03,301 INFO L208 MainTranslator]: Completed translation [2021-11-04 13:10:03,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03 WrapperNode [2021-11-04 13:10:03,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 13:10:03,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 13:10:03,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 13:10:03,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 13:10:03,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:03,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:04,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 13:10:04,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 13:10:04,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 13:10:04,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 13:10:04,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:04,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:05,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:05,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:05,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:05,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:05,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:06,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 13:10:06,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 13:10:06,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 13:10:06,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 13:10:06,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (1/1) ... [2021-11-04 13:10:06,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 13:10:06,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 13:10:06,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-04 13:10:06,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-04 13:10:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-04 13:10:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-04 13:10:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 13:10:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 13:10:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 13:10:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 13:10:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-04 13:10:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 13:10:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 13:10:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 13:10:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 13:10:06,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 13:10:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 13:10:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 13:10:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 13:10:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 13:10:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 13:10:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 13:10:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 13:14:03,881 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4931: assume 1 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4932: assume !(1 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4848: assume 1 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,882 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4849: assume !(1 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10684-1: __copy_from_user_nocheck_#t~ret1180 := copy_user_generic_#res;__copy_from_user_nocheck_~tmp___2~10 := __copy_from_user_nocheck_#t~ret1180;havoc __copy_from_user_nocheck_#t~ret1180;__copy_from_user_nocheck_#res := (if __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 13:14:03,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10684-7: __copy_to_user_nocheck_#t~ret1185 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~11 := __copy_to_user_nocheck_#t~ret1185;havoc __copy_to_user_nocheck_#t~ret1185;__copy_to_user_nocheck_#res := (if __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 13:14:03,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10684-3: __copy_from_user_nocheck_#t~ret1180 := copy_user_generic_#res;__copy_from_user_nocheck_~tmp___2~10 := __copy_from_user_nocheck_#t~ret1180;havoc __copy_from_user_nocheck_#t~ret1180;__copy_from_user_nocheck_#res := (if __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~10 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 13:14:03,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10684-5: __copy_to_user_nocheck_#t~ret1185 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~11 := __copy_to_user_nocheck_#t~ret1185;havoc __copy_to_user_nocheck_#t~ret1185;__copy_to_user_nocheck_#res := (if __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~11 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 13:14:03,883 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10703: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume 2 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706: assume !(2 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706-1: assume 2 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,884 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10706-1: assume !(2 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10707: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710-1: assume 4 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710-1: assume !(4 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume 4 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,885 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10710: assume !(4 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10711: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume 8 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714: assume !(8 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,886 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714-1: assume 8 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10714-1: assume !(8 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715-1: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10715: __copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718-1: assume 10 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718-1: assume !(10 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume 10 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,887 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10718: assume !(10 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10719-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~17 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 13:14:03,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10719: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~17 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 13:14:03,888 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume 16 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722: assume !(16 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722-1: assume 16 == __copy_from_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,889 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10722-1: assume !(16 == __copy_from_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,893 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10723-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~17 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 13:14:03,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10723: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~17 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 13:14:03,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10726-1: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_nocheck_~dst.base, __copy_from_user_nocheck_~dst.offset, __copy_from_user_nocheck_~src.base, __copy_from_user_nocheck_~src.offset, __copy_from_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := copy_user_generic_~ret~16 % 4294967296; [2021-11-04 13:14:03,894 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10726: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_nocheck_~dst.base, __copy_from_user_nocheck_~dst.offset, __copy_from_user_nocheck_~src.base, __copy_from_user_nocheck_~src.offset, __copy_from_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := copy_user_generic_~ret~16 % 4294967296; [2021-11-04 13:14:03,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume 0 != __copy_from_user_nocheck_~tmp___0~25;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754: assume !(0 != __copy_from_user_nocheck_~tmp___0~25);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754-1: assume 0 != __copy_from_user_nocheck_~tmp___0~25;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10754-1: assume !(0 != __copy_from_user_nocheck_~tmp___0~25);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,895 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769-1: assume 0 != __copy_from_user_nocheck_~tmp___1~15;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769-1: assume !(0 != __copy_from_user_nocheck_~tmp___1~15);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume 0 != __copy_from_user_nocheck_~tmp___1~15;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10769: assume !(0 != __copy_from_user_nocheck_~tmp___1~15);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~17; [2021-11-04 13:14:03,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,896 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10812-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815-1: assume 2 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815-1: assume !(2 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume 2 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10815: assume !(2 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10816-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,897 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819-1: assume 4 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819-1: assume !(4 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume 4 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10819: assume !(4 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,898 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10820-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823-1: assume 8 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823-1: assume !(8 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume 8 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10823: assume !(8 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,899 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10824-1: __copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827-1: assume 10 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827-1: assume !(10 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume 10 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,900 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10827: assume !(10 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10828: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~18 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 13:14:03,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10828-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~18 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 13:14:03,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831-1: assume 16 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831-1: assume !(16 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,901 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume 16 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10831: assume !(16 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10832: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~18 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 13:14:03,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10832-1: ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~18 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-04 13:14:03,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10835-1: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_nocheck_~dst.base, __copy_to_user_nocheck_~dst.offset, __copy_to_user_nocheck_~src.base, __copy_to_user_nocheck_~src.offset, __copy_to_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := copy_user_generic_~ret~16 % 4294967296; [2021-11-04 13:14:03,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10835: copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_nocheck_~dst.base, __copy_to_user_nocheck_~dst.offset, __copy_to_user_nocheck_~src.base, __copy_to_user_nocheck_~src.offset, __copy_to_user_nocheck_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~16;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~16;copy_user_generic_#res := copy_user_generic_~ret~16 % 4294967296; [2021-11-04 13:14:03,902 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume 0 != __copy_to_user_nocheck_~tmp___0~26;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858: assume !(0 != __copy_to_user_nocheck_~tmp___0~26);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858-1: assume 0 != __copy_to_user_nocheck_~tmp___0~26;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10858-1: assume !(0 != __copy_to_user_nocheck_~tmp___0~26);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume 0 != __copy_to_user_nocheck_~tmp___1~16;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,903 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872: assume !(0 != __copy_to_user_nocheck_~tmp___1~16);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872-1: assume 0 != __copy_to_user_nocheck_~tmp___1~16;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L10872-1: assume !(0 != __copy_to_user_nocheck_~tmp___1~16);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~18; [2021-11-04 13:14:03,904 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-04 13:14:03,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_10_returnLabel: main_#res := 0; [2021-11-04 13:14:03,905 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5085: assume 1 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5086: assume !(1 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,906 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5034: assume 1 == __copy_to_user_nocheck_~size % 4294967296; [2021-11-04 13:14:03,908 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5035: assume !(1 == __copy_to_user_nocheck_~size % 4294967296); [2021-11-04 13:14:03,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-8: __copy_from_user_nocheck_#t~ret1179 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1179 && __copy_from_user_nocheck_#t~ret1179 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~15 := __copy_from_user_nocheck_#t~ret1179;havoc __copy_from_user_nocheck_#t~ret1179; [2021-11-04 13:14:03,909 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-7: __copy_from_user_nocheck_#t~ret1178 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1178 && __copy_from_user_nocheck_#t~ret1178 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25 := __copy_from_user_nocheck_#t~ret1178;havoc __copy_from_user_nocheck_#t~ret1178; [2021-11-04 13:14:03,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-12: __copy_to_user_nocheck_#t~ret1184 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1184 && __copy_to_user_nocheck_#t~ret1184 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~16 := __copy_to_user_nocheck_#t~ret1184;havoc __copy_to_user_nocheck_#t~ret1184; [2021-11-04 13:14:03,910 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-11: __copy_to_user_nocheck_#t~ret1183 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1183 && __copy_to_user_nocheck_#t~ret1183 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26 := __copy_to_user_nocheck_#t~ret1183;havoc __copy_to_user_nocheck_#t~ret1183; [2021-11-04 13:14:03,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-14: __copy_to_user_nocheck_#t~ret1183 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1183 && __copy_to_user_nocheck_#t~ret1183 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~26 := __copy_to_user_nocheck_#t~ret1183;havoc __copy_to_user_nocheck_#t~ret1183; [2021-11-04 13:14:03,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-4: __copy_from_user_nocheck_#t~ret1179 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1179 && __copy_from_user_nocheck_#t~ret1179 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~15 := __copy_from_user_nocheck_#t~ret1179;havoc __copy_from_user_nocheck_#t~ret1179; [2021-11-04 13:14:03,911 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-3: __copy_from_user_nocheck_#t~ret1178 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret1178 && __copy_from_user_nocheck_#t~ret1178 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~25 := __copy_from_user_nocheck_#t~ret1178;havoc __copy_from_user_nocheck_#t~ret1178; [2021-11-04 13:14:03,912 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L19808-15: __copy_to_user_nocheck_#t~ret1184 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret1184 && __copy_to_user_nocheck_#t~ret1184 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~16 := __copy_to_user_nocheck_#t~ret1184;havoc __copy_to_user_nocheck_#t~ret1184; [2021-11-04 13:14:03,916 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L9339: #t~ret3581 := main_#res; [2021-11-04 13:14:03,962 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 13:14:03,962 INFO L299 CfgBuilder]: Removed 5389 assume(true) statements. [2021-11-04 13:14:03,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:14:03 BoogieIcfgContainer [2021-11-04 13:14:03,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 13:14:03,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 13:14:03,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 13:14:03,983 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 13:14:03,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 01:09:56" (1/3) ... [2021-11-04 13:14:03,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ef41a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:14:03, skipping insertion in model container [2021-11-04 13:14:03,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:10:03" (2/3) ... [2021-11-04 13:14:03,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ef41a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 01:14:03, skipping insertion in model container [2021-11-04 13:14:03,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 01:14:03" (3/3) ... [2021-11-04 13:14:03,986 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-usb-dev_drivers-media-usb-uvc-uvcvideo.cil.i [2021-11-04 13:14:03,991 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 13:14:03,991 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-11-04 13:14:04,062 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 13:14:04,071 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-04 13:14:04,073 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-04 13:14:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 6451 states, 6444 states have (on average 1.3836126629422718) internal successors, (8916), 6450 states have internal predecessors, (8916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 13:14:04,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-04 13:14:04,179 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 13:14:04,180 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 13:14:04,180 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-04 13:14:04,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 13:14:04,188 INFO L85 PathProgramCache]: Analyzing trace with hash -94906379, now seen corresponding path program 1 times [2021-11-04 13:14:04,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 13:14:04,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992713568] [2021-11-04 13:14:04,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 13:14:04,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 13:14:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 13:14:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 13:14:05,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 13:14:05,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992713568] [2021-11-04 13:14:05,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992713568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 13:14:05,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 13:14:05,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 13:14:05,559 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880984068] [2021-11-04 13:14:05,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 13:14:05,563 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 13:14:05,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 13:14:05,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 13:14:05,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 13:14:05,632 INFO L87 Difference]: Start difference. First operand has 6451 states, 6444 states have (on average 1.3836126629422718) internal successors, (8916), 6450 states have internal predecessors, (8916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 13:14:08,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:14:25,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:14:37,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:14:45,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:14:57,131 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:16:09,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-04 13:16:20,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 13:16:20,133 INFO L93 Difference]: Finished difference Result 18965 states and 26242 transitions. [2021-11-04 13:16:20,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 13:16:20,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-11-04 13:16:20,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 13:16:20,265 INFO L225 Difference]: With dead ends: 18965 [2021-11-04 13:16:20,265 INFO L226 Difference]: Without dead ends: 10611 [2021-11-04 13:16:20,295 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 55.54ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 13:16:20,306 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 8619 mSDsluCounter, 17495 mSDsCounter, 0 mSdLazyCounter, 25578 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 123465.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8619 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 25593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 235.58ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 25578 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 132360.12ms IncrementalHoareTripleChecker+Time [2021-11-04 13:16:20,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8619 Valid, 768 Invalid, 25593 Unknown, 0 Unchecked, 235.58ms Time], IncrementalHoareTripleChecker [11 Valid, 25578 Invalid, 4 Unknown, 0 Unchecked, 132360.12ms Time] [2021-11-04 13:16:20,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10611 states. [2021-11-04 13:16:20,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10611 to 10596. [2021-11-04 13:16:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10596 states, 10589 states have (on average 1.3556520917933705) internal successors, (14355), 10595 states have internal predecessors, (14355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 13:16:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10596 states to 10596 states and 14355 transitions. [2021-11-04 13:16:20,785 INFO L78 Accepts]: Start accepts. Automaton has 10596 states and 14355 transitions. Word has length 34 [2021-11-04 13:16:20,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 13:16:20,785 INFO L470 AbstractCegarLoop]: Abstraction has 10596 states and 14355 transitions. [2021-11-04 13:16:20,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 13:16:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 10596 states and 14355 transitions. [2021-11-04 13:16:20,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-04 13:16:20,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 13:16:20,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 13:16:20,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 13:16:20,791 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-04 13:16:20,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 13:16:20,793 INFO L85 PathProgramCache]: Analyzing trace with hash 492278546, now seen corresponding path program 1 times [2021-11-04 13:16:20,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 13:16:20,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656153610] [2021-11-04 13:16:20,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 13:16:20,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 13:16:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 13:16:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 13:16:21,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 13:16:21,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656153610] [2021-11-04 13:16:21,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656153610] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 13:16:21,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 13:16:21,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 13:16:21,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530072545] [2021-11-04 13:16:21,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 13:16:21,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 13:16:21,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 13:16:21,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 13:16:21,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 13:16:21,704 INFO L87 Difference]: Start difference. First operand 10596 states and 14355 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 13:16:24,125 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:16:48,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:17:35,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:18:51,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:20:32,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 13:20:32,002 INFO L93 Difference]: Finished difference Result 18238 states and 24580 transitions. [2021-11-04 13:20:32,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 13:20:32,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-11-04 13:20:32,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 13:20:32,073 INFO L225 Difference]: With dead ends: 18238 [2021-11-04 13:20:32,074 INFO L226 Difference]: Without dead ends: 18236 [2021-11-04 13:20:32,083 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 89.69ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-04 13:20:32,083 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 16305 mSDsluCounter, 22570 mSDsCounter, 0 mSdLazyCounter, 36988 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 228481.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16305 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 36994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 339.25ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36988 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 247497.13ms IncrementalHoareTripleChecker+Time [2021-11-04 13:20:32,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16305 Valid, 0 Invalid, 36994 Unknown, 0 Unchecked, 339.25ms Time], IncrementalHoareTripleChecker [3 Valid, 36988 Invalid, 3 Unknown, 0 Unchecked, 247497.13ms Time] [2021-11-04 13:20:32,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18236 states. [2021-11-04 13:20:32,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18236 to 10596. [2021-11-04 13:20:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10596 states, 10589 states have (on average 1.3555576541694212) internal successors, (14354), 10595 states have internal predecessors, (14354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 13:20:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10596 states to 10596 states and 14354 transitions. [2021-11-04 13:20:32,395 INFO L78 Accepts]: Start accepts. Automaton has 10596 states and 14354 transitions. Word has length 73 [2021-11-04 13:20:32,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 13:20:32,396 INFO L470 AbstractCegarLoop]: Abstraction has 10596 states and 14354 transitions. [2021-11-04 13:20:32,397 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 13:20:32,397 INFO L276 IsEmpty]: Start isEmpty. Operand 10596 states and 14354 transitions. [2021-11-04 13:20:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-04 13:20:32,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 13:20:32,408 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 13:20:32,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 13:20:32,408 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-04 13:20:32,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 13:20:32,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1764204462, now seen corresponding path program 1 times [2021-11-04 13:20:32,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 13:20:32,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308275614] [2021-11-04 13:20:32,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 13:20:32,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 13:20:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 13:20:33,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 13:20:33,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 13:20:33,115 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308275614] [2021-11-04 13:20:33,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308275614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 13:20:33,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 13:20:33,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 13:20:33,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987838009] [2021-11-04 13:20:33,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 13:20:33,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 13:20:33,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 13:20:33,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 13:20:33,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-04 13:20:33,117 INFO L87 Difference]: Start difference. First operand 10596 states and 14354 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 13:20:35,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:20:59,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:21:15,990 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:21:39,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:22:48,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:23:33,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 13:23:50,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15