./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.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 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 04:30:42,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 04:30:42,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 04:30:42,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 04:30:42,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 04:30:42,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 04:30:42,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 04:30:42,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 04:30:42,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 04:30:42,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 04:30:42,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 04:30:42,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 04:30:42,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 04:30:42,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 04:30:42,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 04:30:42,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 04:30:42,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 04:30:42,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 04:30:42,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 04:30:42,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 04:30:42,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 04:30:42,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 04:30:42,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 04:30:42,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 04:30:42,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 04:30:42,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 04:30:42,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 04:30:42,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 04:30:42,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 04:30:42,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 04:30:42,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 04:30:42,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 04:30:42,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 04:30:42,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 04:30:42,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 04:30:42,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 04:30:42,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 04:30:42,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 04:30:42,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 04:30:42,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 04:30:42,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 04:30:42,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 04:30:42,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 04:30:42,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 04:30:42,524 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 04:30:42,524 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 04:30:42,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 04:30:42,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 04:30:42,526 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 04:30:42,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 04:30:42,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 04:30:42,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 04:30:42,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 04:30:42,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 04:30:42,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 04:30:42,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 04:30:42,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 04:30:42,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 04:30:42,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 04:30:42,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 04:30:42,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 04:30:42,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 04:30:42,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 04:30:42,528 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 04:30:42,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 04:30:42,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 04:30:42,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 04:30:42,529 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 04:30:42,529 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 04:30:42,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 04:30:42,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 04:30:42,530 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 [2021-11-04 04:30:42,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 04:30:42,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 04:30:42,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 04:30:42,768 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 04:30:42,768 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 04:30:42,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2021-11-04 04:30:42,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd0d5328/c38398bc1dc94cf595feb7722cc01d33/FLAGdffc64fc6 [2021-11-04 04:30:43,416 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 04:30:43,417 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2021-11-04 04:30:43,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd0d5328/c38398bc1dc94cf595feb7722cc01d33/FLAGdffc64fc6 [2021-11-04 04:30:43,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbd0d5328/c38398bc1dc94cf595feb7722cc01d33 [2021-11-04 04:30:43,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 04:30:43,843 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 04:30:43,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 04:30:43,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 04:30:43,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 04:30:43,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:30:43" (1/1) ... [2021-11-04 04:30:43,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13440663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:43, skipping insertion in model container [2021-11-04 04:30:43,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 04:30:43" (1/1) ... [2021-11-04 04:30:43,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 04:30:44,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 04:30:44,329 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2021-11-04 04:30:44,329 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2021-11-04 04:30:44,743 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2021-11-04 04:30:45,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 04:30:45,683 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 04:30:45,737 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2021-11-04 04:30:45,737 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2021-11-04 04:30:45,747 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2021-11-04 04:30:46,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 04:30:46,165 INFO L208 MainTranslator]: Completed translation [2021-11-04 04:30:46,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46 WrapperNode [2021-11-04 04:30:46,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 04:30:46,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 04:30:46,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 04:30:46,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 04:30:46,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:46,310 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:47,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 04:30:47,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 04:30:47,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 04:30:47,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 04:30:47,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:47,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:48,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:48,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:49,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:49,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:49,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:50,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 04:30:50,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 04:30:50,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 04:30:50,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 04:30:50,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (1/1) ... [2021-11-04 04:30:50,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 04:30:50,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 04:30:50,317 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 04:30:50,361 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 04:30:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-04 04:30:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 04:30:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 04:30:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 04:30:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 04:30:50,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 04:30:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 04:30:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-04 04:30:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 04:30:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 04:30:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 04:30:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 04:30:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 04:30:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 04:30:50,382 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 04:30:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 04:30:50,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 04:30:50,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 04:36:44,146 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 2 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,147 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,147 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##335: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 2 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,147 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##334: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,147 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##353: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,147 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##354: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 2 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,147 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 2 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,148 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,148 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##551: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,148 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##552: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 2 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,148 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##508: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,148 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##509: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 2 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,148 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##577: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 2 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,148 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##576: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,149 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-4: __copy_from_user_nocheck_#t~ret282 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret282 && __copy_from_user_nocheck_#t~ret282 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10 := __copy_from_user_nocheck_#t~ret282;havoc __copy_from_user_nocheck_#t~ret282; [2021-11-04 04:36:44,149 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-5: __copy_from_user_nocheck_#t~ret283 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret283 && __copy_from_user_nocheck_#t~ret283 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6 := __copy_from_user_nocheck_#t~ret283;havoc __copy_from_user_nocheck_#t~ret283; [2021-11-04 04:36:44,149 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-36: __copy_from_user_nocheck_#t~ret283 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret283 && __copy_from_user_nocheck_#t~ret283 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6 := __copy_from_user_nocheck_#t~ret283;havoc __copy_from_user_nocheck_#t~ret283; [2021-11-04 04:36:44,149 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-37: __copy_to_user_nocheck_#t~ret288 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret288 && __copy_to_user_nocheck_#t~ret288 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11 := __copy_to_user_nocheck_#t~ret288;havoc __copy_to_user_nocheck_#t~ret288; [2021-11-04 04:36:44,149 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-35: __copy_from_user_nocheck_#t~ret282 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret282 && __copy_from_user_nocheck_#t~ret282 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10 := __copy_from_user_nocheck_#t~ret282;havoc __copy_from_user_nocheck_#t~ret282; [2021-11-04 04:36:44,149 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-38: __copy_to_user_nocheck_#t~ret289 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret289 && __copy_to_user_nocheck_#t~ret289 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7 := __copy_to_user_nocheck_#t~ret289;havoc __copy_to_user_nocheck_#t~ret289; [2021-11-04 04:36:44,150 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-52: __copy_to_user_nocheck_#t~ret288 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret288 && __copy_to_user_nocheck_#t~ret288 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11 := __copy_to_user_nocheck_#t~ret288;havoc __copy_to_user_nocheck_#t~ret288; [2021-11-04 04:36:44,150 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-53: __copy_to_user_nocheck_#t~ret289 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret289 && __copy_to_user_nocheck_#t~ret289 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7 := __copy_to_user_nocheck_#t~ret289;havoc __copy_to_user_nocheck_#t~ret289; [2021-11-04 04:36:44,150 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-50: __copy_from_user_nocheck_#t~ret282 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret282 && __copy_from_user_nocheck_#t~ret282 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10 := __copy_from_user_nocheck_#t~ret282;havoc __copy_from_user_nocheck_#t~ret282; [2021-11-04 04:36:44,150 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-51: __copy_from_user_nocheck_#t~ret283 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret283 && __copy_from_user_nocheck_#t~ret283 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6 := __copy_from_user_nocheck_#t~ret283;havoc __copy_from_user_nocheck_#t~ret283; [2021-11-04 04:36:44,150 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-56: __copy_to_user_nocheck_#t~ret289 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret289 && __copy_to_user_nocheck_#t~ret289 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7 := __copy_to_user_nocheck_#t~ret289;havoc __copy_to_user_nocheck_#t~ret289; [2021-11-04 04:36:44,150 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-55: __copy_to_user_nocheck_#t~ret288 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret288 && __copy_to_user_nocheck_#t~ret288 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11 := __copy_to_user_nocheck_#t~ret288;havoc __copy_to_user_nocheck_#t~ret288; [2021-11-04 04:36:44,150 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-58: __copy_to_user_nocheck_#t~ret288 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret288 && __copy_to_user_nocheck_#t~ret288 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11 := __copy_to_user_nocheck_#t~ret288;havoc __copy_to_user_nocheck_#t~ret288; [2021-11-04 04:36:44,150 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L4763-59: __copy_to_user_nocheck_#t~ret289 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret289 && __copy_to_user_nocheck_#t~ret289 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7 := __copy_to_user_nocheck_#t~ret289;havoc __copy_to_user_nocheck_#t~ret289; [2021-11-04 04:36:44,151 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5348-1: __copy_from_user_nocheck_#t~ret284 := copy_user_generic_#res;__copy_from_user_nocheck_~tmp___2~2 := __copy_from_user_nocheck_#t~ret284;havoc __copy_from_user_nocheck_#t~ret284;__copy_from_user_nocheck_#res := (if __copy_from_user_nocheck_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 04:36:44,152 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5348-5: __copy_to_user_nocheck_#t~ret290 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~3 := __copy_to_user_nocheck_#t~ret290;havoc __copy_to_user_nocheck_#t~ret290;__copy_to_user_nocheck_#res := (if __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 04:36:44,152 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5348-3: __copy_from_user_nocheck_#t~ret284 := copy_user_generic_#res;__copy_from_user_nocheck_~tmp___2~2 := __copy_from_user_nocheck_#t~ret284;havoc __copy_from_user_nocheck_#t~ret284;__copy_from_user_nocheck_#res := (if __copy_from_user_nocheck_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 04:36:44,155 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5348-9: __copy_to_user_nocheck_#t~ret290 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~3 := __copy_to_user_nocheck_#t~ret290;havoc __copy_to_user_nocheck_#t~ret290;__copy_to_user_nocheck_#res := (if __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 04:36:44,156 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5348-7: __copy_from_user_nocheck_#t~ret284 := copy_user_generic_#res;__copy_from_user_nocheck_~tmp___2~2 := __copy_from_user_nocheck_#t~ret284;havoc __copy_from_user_nocheck_#t~ret284;__copy_from_user_nocheck_#res := (if __copy_from_user_nocheck_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 04:36:44,156 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5348-13: __copy_to_user_nocheck_#t~ret290 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~3 := __copy_to_user_nocheck_#t~ret290;havoc __copy_to_user_nocheck_#t~ret290;__copy_to_user_nocheck_#res := (if __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 04:36:44,156 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5348-11: __copy_to_user_nocheck_#t~ret290 := copy_user_generic_#res;__copy_to_user_nocheck_~tmp___2~3 := __copy_to_user_nocheck_#t~ret290;havoc __copy_to_user_nocheck_#t~ret290;__copy_to_user_nocheck_#res := (if __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-04 04:36:44,156 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362: havoc __copy_from_user_nocheck_#t~switch281; [2021-11-04 04:36:44,156 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362-1: havoc __copy_from_user_nocheck_#t~switch281; [2021-11-04 04:36:44,156 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362-2: havoc __copy_from_user_nocheck_#t~switch281; [2021-11-04 04:36:44,157 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368-1: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,157 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368-1: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 4 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,157 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368-2: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,157 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368-2: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 4 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,157 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,157 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 4 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,157 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373-2: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,158 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373-2: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 8 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,158 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,158 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 8 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,158 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373-1: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,158 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373-1: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 8 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,158 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,159 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 10 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,159 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378-1: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,159 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378-1: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 10 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,159 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378-2: assume __copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,159 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378-2: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 10 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,159 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume __copy_from_user_nocheck_#t~switch281;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~2 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 04:36:44,159 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 16 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,159 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383-1: assume __copy_from_user_nocheck_#t~switch281;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~2 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 04:36:44,160 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383-1: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 16 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,160 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383-2: assume __copy_from_user_nocheck_#t~switch281;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~2 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 04:36:44,160 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383-2: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := __copy_from_user_nocheck_#t~switch281 || 16 == __copy_from_user_nocheck_~size; [2021-11-04 04:36:44,160 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388-1: assume 0 != __copy_from_user_nocheck_~tmp___0~10;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,160 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388-1: assume !(0 != __copy_from_user_nocheck_~tmp___0~10);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,160 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388-2: assume 0 != __copy_from_user_nocheck_~tmp___0~10;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,160 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388-2: assume !(0 != __copy_from_user_nocheck_~tmp___0~10);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,161 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume 0 != __copy_from_user_nocheck_~tmp___0~10;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,161 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume !(0 != __copy_from_user_nocheck_~tmp___0~10);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,161 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396-1: assume __copy_from_user_nocheck_#t~switch281;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~2 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 04:36:44,161 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396-1: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := true; [2021-11-04 04:36:44,161 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396-2: assume __copy_from_user_nocheck_#t~switch281;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~2 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 04:36:44,161 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396-2: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := true; [2021-11-04 04:36:44,162 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume __copy_from_user_nocheck_#t~switch281;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_nocheck_~ret~2 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 04:36:44,162 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := true; [2021-11-04 04:36:44,162 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401-2: assume 0 != __copy_from_user_nocheck_~tmp___1~6;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,162 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401-2: assume !(0 != __copy_from_user_nocheck_~tmp___1~6);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,163 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume 0 != __copy_from_user_nocheck_~tmp___1~6;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,163 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume !(0 != __copy_from_user_nocheck_~tmp___1~6);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,163 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401-1: assume 0 != __copy_from_user_nocheck_~tmp___1~6;__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,163 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401-1: assume !(0 != __copy_from_user_nocheck_~tmp___1~6);__copy_from_user_nocheck_#res := __copy_from_user_nocheck_~ret~2; [2021-11-04 04:36:44,163 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409-2: assume __copy_from_user_nocheck_#t~switch281;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~1;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~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-04 04:36:44,163 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409-2: assume !__copy_from_user_nocheck_#t~switch281; [2021-11-04 04:36:44,163 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume __copy_from_user_nocheck_#t~switch281;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~1;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~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-04 04:36:44,163 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume !__copy_from_user_nocheck_#t~switch281; [2021-11-04 04:36:44,164 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409-1: assume __copy_from_user_nocheck_#t~switch281;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~1;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~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-04 04:36:44,164 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409-1: assume !__copy_from_user_nocheck_#t~switch281; [2021-11-04 04:36:44,165 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435: havoc __copy_to_user_nocheck_#t~switch287; [2021-11-04 04:36:44,165 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435-1: havoc __copy_to_user_nocheck_#t~switch287; [2021-11-04 04:36:44,165 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435-2: havoc __copy_to_user_nocheck_#t~switch287; [2021-11-04 04:36:44,165 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435-3: havoc __copy_to_user_nocheck_#t~switch287; [2021-11-04 04:36:44,165 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440-1: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,165 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440-1: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 4 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,165 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440-2: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,166 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440-2: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 4 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,166 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,166 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 4 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,166 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440-3: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,166 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440-3: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 4 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,167 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444-1: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,167 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444-1: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 8 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,169 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444-2: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,169 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444-2: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 8 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,169 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,169 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 8 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,170 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444-3: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,170 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444-3: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 8 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,170 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448-1: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,171 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448-1: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 10 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,171 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448-2: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,175 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448-2: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 10 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,175 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,175 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 10 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,175 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448-3: assume __copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,175 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448-3: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 10 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,175 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452-1: assume __copy_to_user_nocheck_#t~switch287;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~3 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 04:36:44,175 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452-1: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 16 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,175 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452-2: assume __copy_to_user_nocheck_#t~switch287;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~3 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 04:36:44,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452-2: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 16 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume __copy_to_user_nocheck_#t~switch287;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~3 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 04:36:44,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 16 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452-3: assume __copy_to_user_nocheck_#t~switch287;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~3 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 04:36:44,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452-3: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := __copy_to_user_nocheck_#t~switch287 || 16 == __copy_to_user_nocheck_~size; [2021-11-04 04:36:44,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456-1: assume 0 != __copy_to_user_nocheck_~tmp___0~11;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456-1: assume !(0 != __copy_to_user_nocheck_~tmp___0~11);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456-2: assume 0 != __copy_to_user_nocheck_~tmp___0~11;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,176 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456-2: assume !(0 != __copy_to_user_nocheck_~tmp___0~11);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume 0 != __copy_to_user_nocheck_~tmp___0~11;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume !(0 != __copy_to_user_nocheck_~tmp___0~11);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456-3: assume 0 != __copy_to_user_nocheck_~tmp___0~11;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456-3: assume !(0 != __copy_to_user_nocheck_~tmp___0~11);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464-1: assume __copy_to_user_nocheck_#t~switch287;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~3 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 04:36:44,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464-1: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := true; [2021-11-04 04:36:44,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464-2: assume __copy_to_user_nocheck_#t~switch287;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~3 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 04:36:44,177 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464-2: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := true; [2021-11-04 04:36:44,181 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume __copy_to_user_nocheck_#t~switch287;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~3 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 04:36:44,181 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := true; [2021-11-04 04:36:44,181 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464-3: assume __copy_to_user_nocheck_#t~switch287;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_nocheck_~ret~3 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 04:36:44,182 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464-3: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := true; [2021-11-04 04:36:44,182 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468-1: assume 0 != __copy_to_user_nocheck_~tmp___1~7;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,182 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468-1: assume !(0 != __copy_to_user_nocheck_~tmp___1~7);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,182 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468-2: assume 0 != __copy_to_user_nocheck_~tmp___1~7;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,182 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468-2: assume !(0 != __copy_to_user_nocheck_~tmp___1~7);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,182 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume 0 != __copy_to_user_nocheck_~tmp___1~7;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,182 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume !(0 != __copy_to_user_nocheck_~tmp___1~7);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,182 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468-3: assume 0 != __copy_to_user_nocheck_~tmp___1~7;__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,183 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468-3: assume !(0 != __copy_to_user_nocheck_~tmp___1~7);__copy_to_user_nocheck_#res := __copy_to_user_nocheck_~ret~3; [2021-11-04 04:36:44,183 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476-1: assume __copy_to_user_nocheck_#t~switch287;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~1;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~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-04 04:36:44,183 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476-1: assume !__copy_to_user_nocheck_#t~switch287; [2021-11-04 04:36:44,183 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476-2: assume __copy_to_user_nocheck_#t~switch287;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~1;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~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-04 04:36:44,183 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476-2: assume !__copy_to_user_nocheck_#t~switch287; [2021-11-04 04:36:44,183 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume __copy_to_user_nocheck_#t~switch287;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~1;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~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-04 04:36:44,183 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume !__copy_to_user_nocheck_#t~switch287; [2021-11-04 04:36:44,183 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476-3: assume __copy_to_user_nocheck_#t~switch287;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~1;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~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-04 04:36:44,184 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476-3: assume !__copy_to_user_nocheck_#t~switch287; [2021-11-04 04:36:44,223 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 04:36:44,223 INFO L299 CfgBuilder]: Removed 11275 assume(true) statements. [2021-11-04 04:36:44,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:36:44 BoogieIcfgContainer [2021-11-04 04:36:44,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 04:36:44,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 04:36:44,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 04:36:44,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 04:36:44,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 04:30:43" (1/3) ... [2021-11-04 04:36:44,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac5f6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:36:44, skipping insertion in model container [2021-11-04 04:36:44,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 04:30:46" (2/3) ... [2021-11-04 04:36:44,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac5f6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 04:36:44, skipping insertion in model container [2021-11-04 04:36:44,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 04:36:44" (3/3) ... [2021-11-04 04:36:44,237 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2021-11-04 04:36:44,241 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 04:36:44,241 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-11-04 04:36:44,301 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 04:36:44,307 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 04:36:44,307 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-11-04 04:36:44,420 INFO L276 IsEmpty]: Start isEmpty. Operand has 12432 states, 12419 states have (on average 1.3836862871406717) internal successors, (17184), 12431 states have internal predecessors, (17184), 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 04:36:44,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-04 04:36:44,439 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:36:44,439 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] [2021-11-04 04:36:44,440 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-04 04:36:44,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:36:44,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1683440819, now seen corresponding path program 1 times [2021-11-04 04:36:44,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:36:44,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988151548] [2021-11-04 04:36:44,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:36:44,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:36:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:36:45,635 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 04:36:45,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:36:45,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988151548] [2021-11-04 04:36:45,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988151548] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:36:45,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:36:45,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:36:45,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92423883] [2021-11-04 04:36:45,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:36:45,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:36:45,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:36:45,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:36:45,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:36:45,682 INFO L87 Difference]: Start difference. First operand has 12432 states, 12419 states have (on average 1.3836862871406717) internal successors, (17184), 12431 states have internal predecessors, (17184), 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 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:36:47,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:41:34,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 04:41:34,197 INFO L93 Difference]: Finished difference Result 24861 states and 34365 transitions. [2021-11-04 04:41:34,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 04:41:34,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-11-04 04:41:34,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 04:41:34,269 INFO L225 Difference]: With dead ends: 24861 [2021-11-04 04:41:34,269 INFO L226 Difference]: Without dead ends: 12299 [2021-11-04 04:41:34,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:41:34,293 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 16482 mSDsCounter, 0 mSdLazyCounter, 34060 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 275923.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 34063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 207.42ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34060 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 286478.76ms IncrementalHoareTripleChecker+Time [2021-11-04 04:41:34,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 258 Invalid, 34063 Unknown, 0 Unchecked, 207.42ms Time], IncrementalHoareTripleChecker [2 Valid, 34060 Invalid, 1 Unknown, 0 Unchecked, 286478.76ms Time] [2021-11-04 04:41:34,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12299 states. [2021-11-04 04:41:34,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12299 to 12299. [2021-11-04 04:41:34,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12299 states, 12287 states have (on average 1.3751932937250753) internal successors, (16897), 12298 states have internal predecessors, (16897), 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 04:41:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12299 states to 12299 states and 16897 transitions. [2021-11-04 04:41:34,675 INFO L78 Accepts]: Start accepts. Automaton has 12299 states and 16897 transitions. Word has length 37 [2021-11-04 04:41:34,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 04:41:34,675 INFO L470 AbstractCegarLoop]: Abstraction has 12299 states and 16897 transitions. [2021-11-04 04:41:34,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 04:41:34,677 INFO L276 IsEmpty]: Start isEmpty. Operand 12299 states and 16897 transitions. [2021-11-04 04:41:34,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-04 04:41:34,680 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 04:41:34,680 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] [2021-11-04 04:41:34,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 04:41:34,681 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-04 04:41:34,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 04:41:34,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1218587209, now seen corresponding path program 1 times [2021-11-04 04:41:34,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 04:41:34,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656487569] [2021-11-04 04:41:34,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 04:41:34,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 04:41:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 04:41:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-04 04:41:35,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 04:41:35,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656487569] [2021-11-04 04:41:35,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656487569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 04:41:35,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 04:41:35,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 04:41:35,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755922346] [2021-11-04 04:41:35,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 04:41:35,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 04:41:35,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 04:41:35,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 04:41:35,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 04:41:35,603 INFO L87 Difference]: Start difference. First operand 12299 states and 16897 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 04:41:37,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 04:41:38,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15