./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 5f08f0f0 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-5f08f0f [2021-11-05 16:47:52,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 16:47:52,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 16:47:52,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 16:47:52,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 16:47:52,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 16:47:52,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 16:47:52,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 16:47:52,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 16:47:52,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 16:47:52,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 16:47:52,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 16:47:52,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 16:47:52,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 16:47:52,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 16:47:52,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 16:47:52,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 16:47:52,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 16:47:52,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 16:47:52,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 16:47:52,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 16:47:52,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 16:47:52,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 16:47:52,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 16:47:52,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 16:47:52,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 16:47:52,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 16:47:52,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 16:47:52,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 16:47:52,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 16:47:52,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 16:47:52,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 16:47:52,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 16:47:52,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 16:47:52,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 16:47:52,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 16:47:52,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 16:47:52,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 16:47:52,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 16:47:52,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 16:47:52,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 16:47:52,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 16:47:52,429 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 16:47:52,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 16:47:52,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 16:47:52,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 16:47:52,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 16:47:52,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 16:47:52,432 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 16:47:52,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 16:47:52,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 16:47:52,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 16:47:52,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 16:47:52,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 16:47:52,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 16:47:52,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 16:47:52,434 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 16:47:52,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 16:47:52,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 16:47:52,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 16:47:52,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 16:47:52,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 16:47:52,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 16:47:52,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 16:47:52,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 16:47:52,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 16:47:52,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 16:47:52,436 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 16:47:52,436 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 16:47:52,436 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 16:47:52,436 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 16:47:52,437 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 [2021-11-05 16:47:52,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 16:47:52,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 16:47:52,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 16:47:52,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 16:47:52,726 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 16:47:52,727 INFO L432 ainManager$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 [2021-11-05 16:47:52,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166088bec/804b0430212b4a23b4be913592b53502/FLAGfb1a0265b [2021-11-05 16:47:53,401 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 16:47:53,402 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 [2021-11-05 16:47:53,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166088bec/804b0430212b4a23b4be913592b53502/FLAGfb1a0265b [2021-11-05 16:47:53,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/166088bec/804b0430212b4a23b4be913592b53502 [2021-11-05 16:47:53,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 16:47:53,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 16:47:53,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 16:47:53,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 16:47:53,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 16:47:53,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:47:53" (1/1) ... [2021-11-05 16:47:53,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2501f213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:53, skipping insertion in model container [2021-11-05 16:47:53,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 04:47:53" (1/1) ... [2021-11-05 16:47:53,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 16:47:53,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 16:47:54,254 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2021-11-05 16:47:54,254 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] [2021-11-05 16:47:54,655 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] [2021-11-05 16:47:55,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 16:47:56,018 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 16:47:56,087 WARN L1236 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2021-11-05 16:47:56,088 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] [2021-11-05 16:47:56,099 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-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] [2021-11-05 16:47:56,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 16:47:56,589 INFO L208 MainTranslator]: Completed translation [2021-11-05 16:47:56,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56 WrapperNode [2021-11-05 16:47:56,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 16:47:56,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 16:47:56,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 16:47:56,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 16:47:56,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:47:56,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:47:58,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 16:47:58,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 16:47:58,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 16:47:58,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 16:47:58,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:47:58,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:47:58,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:47:58,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:47:59,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:48:00,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:48:00,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:48:00,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 16:48:00,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 16:48:00,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 16:48:00,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 16:48:00,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (1/1) ... [2021-11-05 16:48:00,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 16:48:00,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 16:48:00,483 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) [2021-11-05 16:48:00,495 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 [2021-11-05 16:48:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-05 16:48:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 16:48:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 16:48:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 16:48:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 16:48:00,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 16:48:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 16:48:00,518 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-11-05 16:48:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 16:48:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 16:48:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 16:48:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 16:48:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 16:48:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 16:48:00,519 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 16:48:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 16:48:00,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 16:48:00,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 16:56:29,061 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; [2021-11-05 16:56:29,062 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; [2021-11-05 16:56:29,062 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; [2021-11-05 16:56:29,062 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; [2021-11-05 16:56:29,063 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; [2021-11-05 16:56:29,063 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; [2021-11-05 16:56:29,063 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; [2021-11-05 16:56:29,063 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; [2021-11-05 16:56:29,063 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; [2021-11-05 16:56:29,063 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; [2021-11-05 16:56:29,063 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; [2021-11-05 16:56:29,063 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; [2021-11-05 16:56:29,064 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; [2021-11-05 16:56:29,064 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; [2021-11-05 16:56:29,064 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; [2021-11-05 16:56:29,064 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; [2021-11-05 16:56:29,064 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; [2021-11-05 16:56:29,064 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; [2021-11-05 16:56:29,064 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; [2021-11-05 16:56:29,064 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; [2021-11-05 16:56:29,065 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; [2021-11-05 16:56:29,065 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; [2021-11-05 16:56:29,065 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; [2021-11-05 16:56:29,065 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; [2021-11-05 16:56:29,065 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; [2021-11-05 16:56:29,065 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; [2021-11-05 16:56:29,065 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; [2021-11-05 16:56:29,066 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; [2021-11-05 16:56:29,067 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); [2021-11-05 16:56:29,067 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); [2021-11-05 16:56:29,067 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); [2021-11-05 16:56:29,067 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); [2021-11-05 16:56:29,067 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); [2021-11-05 16:56:29,068 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); [2021-11-05 16:56:29,068 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); [2021-11-05 16:56:29,068 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362: havoc __copy_from_user_nocheck_#t~switch281; [2021-11-05 16:56:29,068 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362-1: havoc __copy_from_user_nocheck_#t~switch281; [2021-11-05 16:56:29,068 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362-2: havoc __copy_from_user_nocheck_#t~switch281; [2021-11-05 16:56:29,068 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; [2021-11-05 16:56:29,068 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; [2021-11-05 16:56:29,069 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; [2021-11-05 16:56:29,069 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; [2021-11-05 16:56:29,069 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; [2021-11-05 16:56:29,069 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; [2021-11-05 16:56:29,069 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; [2021-11-05 16:56:29,069 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; [2021-11-05 16:56:29,069 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; [2021-11-05 16:56:29,069 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; [2021-11-05 16:56:29,070 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; [2021-11-05 16:56:29,070 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; [2021-11-05 16:56:29,070 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; [2021-11-05 16:56:29,070 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; [2021-11-05 16:56:29,070 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; [2021-11-05 16:56:29,070 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; [2021-11-05 16:56:29,070 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; [2021-11-05 16:56:29,070 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; [2021-11-05 16:56:29,071 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; [2021-11-05 16:56:29,071 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; [2021-11-05 16:56:29,071 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; [2021-11-05 16:56:29,071 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; [2021-11-05 16:56:29,071 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; [2021-11-05 16:56:29,071 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; [2021-11-05 16:56:29,072 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; [2021-11-05 16:56:29,072 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; [2021-11-05 16:56:29,072 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; [2021-11-05 16:56:29,072 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; [2021-11-05 16:56:29,072 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; [2021-11-05 16:56:29,072 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; [2021-11-05 16:56:29,072 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; [2021-11-05 16:56:29,073 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396-1: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := true; [2021-11-05 16:56:29,073 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; [2021-11-05 16:56:29,073 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396-2: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := true; [2021-11-05 16:56:29,073 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; [2021-11-05 16:56:29,073 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume !__copy_from_user_nocheck_#t~switch281;__copy_from_user_nocheck_#t~switch281 := true; [2021-11-05 16:56:29,073 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; [2021-11-05 16:56:29,073 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; [2021-11-05 16:56:29,073 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; [2021-11-05 16:56:29,074 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; [2021-11-05 16:56:29,074 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; [2021-11-05 16:56:29,074 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; [2021-11-05 16:56:29,074 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; [2021-11-05 16:56:29,074 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409-2: assume !__copy_from_user_nocheck_#t~switch281; [2021-11-05 16:56:29,074 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; [2021-11-05 16:56:29,074 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume !__copy_from_user_nocheck_#t~switch281; [2021-11-05 16:56:29,075 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; [2021-11-05 16:56:29,075 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409-1: assume !__copy_from_user_nocheck_#t~switch281; [2021-11-05 16:56:29,075 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435: havoc __copy_to_user_nocheck_#t~switch287; [2021-11-05 16:56:29,075 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435-1: havoc __copy_to_user_nocheck_#t~switch287; [2021-11-05 16:56:29,075 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435-2: havoc __copy_to_user_nocheck_#t~switch287; [2021-11-05 16:56:29,075 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435-3: havoc __copy_to_user_nocheck_#t~switch287; [2021-11-05 16:56:29,075 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; [2021-11-05 16:56:29,075 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; [2021-11-05 16:56:29,076 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; [2021-11-05 16:56:29,076 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; [2021-11-05 16:56:29,076 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; [2021-11-05 16:56:29,076 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; [2021-11-05 16:56:29,076 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; [2021-11-05 16:56:29,076 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; [2021-11-05 16:56:29,076 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; [2021-11-05 16:56:29,077 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; [2021-11-05 16:56:29,077 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; [2021-11-05 16:56:29,077 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; [2021-11-05 16:56:29,077 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; [2021-11-05 16:56:29,077 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; [2021-11-05 16:56:29,077 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; [2021-11-05 16:56:29,077 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; [2021-11-05 16:56:29,077 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; [2021-11-05 16:56:29,078 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; [2021-11-05 16:56:29,078 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; [2021-11-05 16:56:29,078 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; [2021-11-05 16:56:29,078 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; [2021-11-05 16:56:29,078 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; [2021-11-05 16:56:29,078 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; [2021-11-05 16:56:29,078 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; [2021-11-05 16:56:29,078 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; [2021-11-05 16:56:29,079 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; [2021-11-05 16:56:29,079 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; [2021-11-05 16:56:29,079 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; [2021-11-05 16:56:29,079 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; [2021-11-05 16:56:29,079 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; [2021-11-05 16:56:29,079 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; [2021-11-05 16:56:29,079 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; [2021-11-05 16:56:29,079 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; [2021-11-05 16:56:29,080 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; [2021-11-05 16:56:29,080 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; [2021-11-05 16:56:29,080 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; [2021-11-05 16:56:29,080 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; [2021-11-05 16:56:29,080 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; [2021-11-05 16:56:29,080 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; [2021-11-05 16:56:29,080 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; [2021-11-05 16:56:29,080 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; [2021-11-05 16:56:29,081 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464-1: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := true; [2021-11-05 16:56:29,081 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; [2021-11-05 16:56:29,081 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464-2: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := true; [2021-11-05 16:56:29,081 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; [2021-11-05 16:56:29,082 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := true; [2021-11-05 16:56:29,082 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; [2021-11-05 16:56:29,082 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464-3: assume !__copy_to_user_nocheck_#t~switch287;__copy_to_user_nocheck_#t~switch287 := true; [2021-11-05 16:56:29,082 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; [2021-11-05 16:56:29,082 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; [2021-11-05 16:56:29,082 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; [2021-11-05 16:56:29,082 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; [2021-11-05 16:56:29,082 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; [2021-11-05 16:56:29,082 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; [2021-11-05 16:56:29,083 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; [2021-11-05 16:56:29,083 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; [2021-11-05 16:56:29,083 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; [2021-11-05 16:56:29,083 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476-1: assume !__copy_to_user_nocheck_#t~switch287; [2021-11-05 16:56:29,083 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; [2021-11-05 16:56:29,083 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476-2: assume !__copy_to_user_nocheck_#t~switch287; [2021-11-05 16:56:29,083 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; [2021-11-05 16:56:29,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume !__copy_to_user_nocheck_#t~switch287; [2021-11-05 16:56:29,084 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; [2021-11-05 16:56:29,084 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476-3: assume !__copy_to_user_nocheck_#t~switch287; [2021-11-05 16:56:29,233 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 16:56:29,233 INFO L299 CfgBuilder]: Removed 11275 assume(true) statements. [2021-11-05 16:56:29,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:56:29 BoogieIcfgContainer [2021-11-05 16:56:29,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 16:56:29,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 16:56:29,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 16:56:29,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 16:56:29,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 04:47:53" (1/3) ... [2021-11-05 16:56:29,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21345ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:56:29, skipping insertion in model container [2021-11-05 16:56:29,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 04:47:56" (2/3) ... [2021-11-05 16:56:29,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21345ac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 04:56:29, skipping insertion in model container [2021-11-05 16:56:29,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 04:56:29" (3/3) ... [2021-11-05 16:56:29,256 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 [2021-11-05 16:56:29,260 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 16:56:29,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-11-05 16:56:29,322 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 16:56:29,327 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 [2021-11-05 16:56:29,327 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-11-05 16:56:29,443 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) [2021-11-05 16:56:29,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-05 16:56:29,455 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:56:29,455 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] [2021-11-05 16:56:29,456 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)] === [2021-11-05 16:56:29,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:56:29,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1683440819, now seen corresponding path program 1 times [2021-11-05 16:56:29,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:56:29,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878532633] [2021-11-05 16:56:29,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:56:29,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:56:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:56:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:56:30,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:56:30,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878532633] [2021-11-05 16:56:30,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878532633] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:56:30,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:56:30,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 16:56:30,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931722802] [2021-11-05 16:56:30,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:56:30,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:56:30,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:56:30,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:56:30,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:30,883 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) [2021-11-05 16:56:31,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:56:31,757 INFO L93 Difference]: Finished difference Result 31986 states and 44367 transitions. [2021-11-05 16:56:31,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:56:31,759 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 [2021-11-05 16:56:31,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:56:31,833 INFO L225 Difference]: With dead ends: 31986 [2021-11-05 16:56:31,834 INFO L226 Difference]: Without dead ends: 19331 [2021-11-05 16:56:31,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:31,861 INFO L933 BasicCegarLoop]: 17160 mSDtfsCounter, 10015 mSDsluCounter, 17112 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 437.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10015 SdHoareTripleChecker+Valid, 34272 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 52.25ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 484.05ms IncrementalHoareTripleChecker+Time [2021-11-05 16:56:31,862 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10015 Valid, 34272 Invalid, 29 Unknown, 0 Unchecked, 52.25ms Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 484.05ms Time] [2021-11-05 16:56:31,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19331 states. [2021-11-05 16:56:32,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19331 to 19327. [2021-11-05 16:56:32,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19327 states, 19315 states have (on average 1.3829666062645611) internal successors, (26712), 19326 states have internal predecessors, (26712), 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) [2021-11-05 16:56:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19327 states to 19327 states and 26712 transitions. [2021-11-05 16:56:32,414 INFO L78 Accepts]: Start accepts. Automaton has 19327 states and 26712 transitions. Word has length 37 [2021-11-05 16:56:32,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:56:32,414 INFO L470 AbstractCegarLoop]: Abstraction has 19327 states and 26712 transitions. [2021-11-05 16:56:32,415 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) [2021-11-05 16:56:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 19327 states and 26712 transitions. [2021-11-05 16:56:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-05 16:56:32,425 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:56:32,425 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] [2021-11-05 16:56:32,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 16:56:32,426 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-05 16:56:32,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:56:32,427 INFO L85 PathProgramCache]: Analyzing trace with hash 990791132, now seen corresponding path program 1 times [2021-11-05 16:56:32,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:56:32,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672053085] [2021-11-05 16:56:32,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:56:32,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:56:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:56:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:56:33,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:56:33,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672053085] [2021-11-05 16:56:33,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672053085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:56:33,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:56:33,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 16:56:33,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900627645] [2021-11-05 16:56:33,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:56:33,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:56:33,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:56:33,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:56:33,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:33,342 INFO L87 Difference]: Start difference. First operand 19327 states and 26712 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-05 16:56:34,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:56:34,161 INFO L93 Difference]: Finished difference Result 56980 states and 78752 transitions. [2021-11-05 16:56:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:56:34,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-05 16:56:34,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:56:34,253 INFO L225 Difference]: With dead ends: 56980 [2021-11-05 16:56:34,253 INFO L226 Difference]: Without dead ends: 37671 [2021-11-05 16:56:34,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:34,401 INFO L933 BasicCegarLoop]: 23935 mSDtfsCounter, 16214 mSDsluCounter, 16864 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 284.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16214 SdHoareTripleChecker+Valid, 40799 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.24ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 330.97ms IncrementalHoareTripleChecker+Time [2021-11-05 16:56:34,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16214 Valid, 40799 Invalid, 11 Unknown, 0 Unchecked, 37.24ms Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 330.97ms Time] [2021-11-05 16:56:34,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37671 states. [2021-11-05 16:56:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37671 to 37645. [2021-11-05 16:56:34,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37645 states, 37633 states have (on average 1.3829086174368241) internal successors, (52043), 37644 states have internal predecessors, (52043), 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) [2021-11-05 16:56:34,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37645 states to 37645 states and 52043 transitions. [2021-11-05 16:56:34,966 INFO L78 Accepts]: Start accepts. Automaton has 37645 states and 52043 transitions. Word has length 64 [2021-11-05 16:56:34,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:56:34,966 INFO L470 AbstractCegarLoop]: Abstraction has 37645 states and 52043 transitions. [2021-11-05 16:56:34,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-05 16:56:34,967 INFO L276 IsEmpty]: Start isEmpty. Operand 37645 states and 52043 transitions. [2021-11-05 16:56:34,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 16:56:34,975 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:56:34,975 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 16:56:34,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-05 16:56:34,976 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-05 16:56:34,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:56:34,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1499220983, now seen corresponding path program 1 times [2021-11-05 16:56:34,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:56:34,977 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544560787] [2021-11-05 16:56:34,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:56:34,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:56:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:56:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:56:35,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:56:35,893 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544560787] [2021-11-05 16:56:35,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544560787] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:56:35,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:56:35,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 16:56:35,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830516055] [2021-11-05 16:56:35,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:56:35,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:56:35,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:56:35,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:56:35,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:35,894 INFO L87 Difference]: Start difference. First operand 37645 states and 52043 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-11-05 16:56:36,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:56:36,466 INFO L93 Difference]: Finished difference Result 75272 states and 104064 transitions. [2021-11-05 16:56:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:56:36,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 66 [2021-11-05 16:56:36,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:56:36,564 INFO L225 Difference]: With dead ends: 75272 [2021-11-05 16:56:36,564 INFO L226 Difference]: Without dead ends: 37645 [2021-11-05 16:56:36,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 52.30ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:36,628 INFO L933 BasicCegarLoop]: 16893 mSDtfsCounter, 16868 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16868 SdHoareTripleChecker+Valid, 16893 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.24ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.33ms IncrementalHoareTripleChecker+Time [2021-11-05 16:56:36,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16868 Valid, 16893 Invalid, 1 Unknown, 0 Unchecked, 15.24ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 10.33ms Time] [2021-11-05 16:56:36,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37645 states. [2021-11-05 16:56:37,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37645 to 37645. [2021-11-05 16:56:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37645 states, 37633 states have (on average 1.382802327744267) internal successors, (52039), 37644 states have internal predecessors, (52039), 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) [2021-11-05 16:56:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37645 states to 37645 states and 52039 transitions. [2021-11-05 16:56:37,413 INFO L78 Accepts]: Start accepts. Automaton has 37645 states and 52039 transitions. Word has length 66 [2021-11-05 16:56:37,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:56:37,414 INFO L470 AbstractCegarLoop]: Abstraction has 37645 states and 52039 transitions. [2021-11-05 16:56:37,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-11-05 16:56:37,414 INFO L276 IsEmpty]: Start isEmpty. Operand 37645 states and 52039 transitions. [2021-11-05 16:56:37,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 16:56:37,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:56:37,422 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 16:56:37,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-05 16:56:37,423 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-05 16:56:37,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:56:37,424 INFO L85 PathProgramCache]: Analyzing trace with hash 127413685, now seen corresponding path program 1 times [2021-11-05 16:56:37,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:56:37,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415174545] [2021-11-05 16:56:37,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:56:37,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:56:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:56:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:56:38,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:56:38,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415174545] [2021-11-05 16:56:38,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415174545] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:56:38,389 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:56:38,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 16:56:38,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588766069] [2021-11-05 16:56:38,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:56:38,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:56:38,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:56:38,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:56:38,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:38,390 INFO L87 Difference]: Start difference. First operand 37645 states and 52039 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-11-05 16:56:39,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:56:39,268 INFO L93 Difference]: Finished difference Result 75272 states and 104056 transitions. [2021-11-05 16:56:39,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:56:39,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 66 [2021-11-05 16:56:39,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:56:39,345 INFO L225 Difference]: With dead ends: 75272 [2021-11-05 16:56:39,346 INFO L226 Difference]: Without dead ends: 37645 [2021-11-05 16:56:39,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 63.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:39,391 INFO L933 BasicCegarLoop]: 16891 mSDtfsCounter, 16866 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 443.83ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16866 SdHoareTripleChecker+Valid, 16891 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 444.25ms IncrementalHoareTripleChecker+Time [2021-11-05 16:56:39,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16866 Valid, 16891 Invalid, 2 Unknown, 0 Unchecked, 12.17ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 444.25ms Time] [2021-11-05 16:56:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37645 states. [2021-11-05 16:56:39,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37645 to 37645. [2021-11-05 16:56:40,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37645 states, 37633 states have (on average 1.38269603805171) internal successors, (52035), 37644 states have internal predecessors, (52035), 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) [2021-11-05 16:56:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37645 states to 37645 states and 52035 transitions. [2021-11-05 16:56:40,230 INFO L78 Accepts]: Start accepts. Automaton has 37645 states and 52035 transitions. Word has length 66 [2021-11-05 16:56:40,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:56:40,235 INFO L470 AbstractCegarLoop]: Abstraction has 37645 states and 52035 transitions. [2021-11-05 16:56:40,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-11-05 16:56:40,235 INFO L276 IsEmpty]: Start isEmpty. Operand 37645 states and 52035 transitions. [2021-11-05 16:56:40,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 16:56:40,247 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:56:40,247 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 16:56:40,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-05 16:56:40,248 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-05 16:56:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:56:40,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1717953481, now seen corresponding path program 1 times [2021-11-05 16:56:40,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:56:40,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994497781] [2021-11-05 16:56:40,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:56:40,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:56:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:56:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:56:40,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:56:40,984 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994497781] [2021-11-05 16:56:40,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994497781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:56:40,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:56:40,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 16:56:40,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536564430] [2021-11-05 16:56:40,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:56:40,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:56:40,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:56:40,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:56:40,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:40,985 INFO L87 Difference]: Start difference. First operand 37645 states and 52035 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-11-05 16:56:43,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 16:56:44,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:56:44,206 INFO L93 Difference]: Finished difference Result 111707 states and 154446 transitions. [2021-11-05 16:56:44,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:56:44,207 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 66 [2021-11-05 16:56:44,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:56:44,341 INFO L225 Difference]: With dead ends: 111707 [2021-11-05 16:56:44,342 INFO L226 Difference]: Without dead ends: 74080 [2021-11-05 16:56:44,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.58ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:44,406 INFO L933 BasicCegarLoop]: 16891 mSDtfsCounter, 16053 mSDsluCounter, 16868 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2043.31ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16053 SdHoareTripleChecker+Valid, 33759 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.10ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2078.84ms IncrementalHoareTripleChecker+Time [2021-11-05 16:56:44,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16053 Valid, 33759 Invalid, 4 Unknown, 0 Unchecked, 23.10ms Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2078.84ms Time] [2021-11-05 16:56:44,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74080 states. [2021-11-05 16:56:46,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74080 to 74066. [2021-11-05 16:56:46,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74066 states, 74054 states have (on average 1.383071812461177) internal successors, (102422), 74065 states have internal predecessors, (102422), 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) [2021-11-05 16:56:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74066 states to 74066 states and 102422 transitions. [2021-11-05 16:56:46,208 INFO L78 Accepts]: Start accepts. Automaton has 74066 states and 102422 transitions. Word has length 66 [2021-11-05 16:56:46,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:56:46,209 INFO L470 AbstractCegarLoop]: Abstraction has 74066 states and 102422 transitions. [2021-11-05 16:56:46,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-11-05 16:56:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 74066 states and 102422 transitions. [2021-11-05 16:56:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 16:56:46,219 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:56:46,219 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 16:56:46,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-05 16:56:46,219 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-05 16:56:46,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:56:46,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1547654517, now seen corresponding path program 1 times [2021-11-05 16:56:46,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:56:46,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701023758] [2021-11-05 16:56:46,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:56:46,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:56:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:56:47,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:56:47,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:56:47,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701023758] [2021-11-05 16:56:47,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701023758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:56:47,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:56:47,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 16:56:47,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745891468] [2021-11-05 16:56:47,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:56:47,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:56:47,226 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:56:47,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:56:47,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:47,227 INFO L87 Difference]: Start difference. First operand 74066 states and 102422 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-11-05 16:56:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:56:48,490 INFO L93 Difference]: Finished difference Result 148114 states and 204822 transitions. [2021-11-05 16:56:48,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:56:48,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 66 [2021-11-05 16:56:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:56:48,613 INFO L225 Difference]: With dead ends: 148114 [2021-11-05 16:56:48,613 INFO L226 Difference]: Without dead ends: 74066 [2021-11-05 16:56:48,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 29.72ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:56:48,680 INFO L933 BasicCegarLoop]: 16891 mSDtfsCounter, 16863 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16863 SdHoareTripleChecker+Valid, 16891 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.18ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.53ms IncrementalHoareTripleChecker+Time [2021-11-05 16:56:48,680 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16863 Valid, 16891 Invalid, 1 Unknown, 0 Unchecked, 14.18ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 8.53ms Time] [2021-11-05 16:56:48,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74066 states. [2021-11-05 16:56:50,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74066 to 74066. [2021-11-05 16:56:50,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74066 states, 74054 states have (on average 1.3829637831852433) internal successors, (102414), 74065 states have internal predecessors, (102414), 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) [2021-11-05 16:56:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74066 states to 74066 states and 102414 transitions. [2021-11-05 16:56:50,445 INFO L78 Accepts]: Start accepts. Automaton has 74066 states and 102414 transitions. Word has length 66 [2021-11-05 16:56:50,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:56:50,445 INFO L470 AbstractCegarLoop]: Abstraction has 74066 states and 102414 transitions. [2021-11-05 16:56:50,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2021-11-05 16:56:50,446 INFO L276 IsEmpty]: Start isEmpty. Operand 74066 states and 102414 transitions. [2021-11-05 16:56:50,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 16:56:50,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:56:50,452 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 16:56:50,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-05 16:56:50,452 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-05 16:56:50,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:56:50,452 INFO L85 PathProgramCache]: Analyzing trace with hash -2087781257, now seen corresponding path program 1 times [2021-11-05 16:56:50,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:56:50,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084349694] [2021-11-05 16:56:50,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:56:50,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:56:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:56:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 16:56:51,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:56:51,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084349694] [2021-11-05 16:56:51,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084349694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:56:51,547 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:56:51,547 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-05 16:56:51,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451241941] [2021-11-05 16:56:51,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:56:51,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-05 16:56:51,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:56:51,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-05 16:56:51,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-05 16:56:51,548 INFO L87 Difference]: Start difference. First operand 74066 states and 102414 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 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) [2021-11-05 16:56:53,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 16:57:00,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:57:00,168 INFO L93 Difference]: Finished difference Result 222022 states and 307002 transitions. [2021-11-05 16:57:00,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-05 16:57:00,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 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 66 [2021-11-05 16:57:00,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:57:00,458 INFO L225 Difference]: With dead ends: 222022 [2021-11-05 16:57:00,459 INFO L226 Difference]: Without dead ends: 147974 [2021-11-05 16:57:00,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 392.71ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-05 16:57:00,555 INFO L933 BasicCegarLoop]: 24594 mSDtfsCounter, 68849 mSDsluCounter, 41445 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5384.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 68849 SdHoareTripleChecker+Valid, 66039 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 66.23ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5599.58ms IncrementalHoareTripleChecker+Time [2021-11-05 16:57:00,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68849 Valid, 66039 Invalid, 44 Unknown, 0 Unchecked, 66.23ms Time], IncrementalHoareTripleChecker [14 Valid, 29 Invalid, 1 Unknown, 0 Unchecked, 5599.58ms Time] [2021-11-05 16:57:00,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147974 states. [2021-11-05 16:57:03,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147974 to 147942. [2021-11-05 16:57:03,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147942 states, 147930 states have (on average 1.3828026769417967) internal successors, (204558), 147941 states have internal predecessors, (204558), 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) [2021-11-05 16:57:04,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147942 states to 147942 states and 204558 transitions. [2021-11-05 16:57:04,078 INFO L78 Accepts]: Start accepts. Automaton has 147942 states and 204558 transitions. Word has length 66 [2021-11-05 16:57:04,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:57:04,078 INFO L470 AbstractCegarLoop]: Abstraction has 147942 states and 204558 transitions. [2021-11-05 16:57:04,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 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) [2021-11-05 16:57:04,078 INFO L276 IsEmpty]: Start isEmpty. Operand 147942 states and 204558 transitions. [2021-11-05 16:57:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-05 16:57:04,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 16:57:04,085 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 16:57:04,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-05 16:57:04,085 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2021-11-05 16:57:04,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 16:57:04,086 INFO L85 PathProgramCache]: Analyzing trace with hash -159508555, now seen corresponding path program 1 times [2021-11-05 16:57:04,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 16:57:04,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367473661] [2021-11-05 16:57:04,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 16:57:04,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 16:57:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 16:57:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-05 16:57:05,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 16:57:05,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367473661] [2021-11-05 16:57:05,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367473661] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 16:57:05,322 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 16:57:05,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-05 16:57:05,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913673845] [2021-11-05 16:57:05,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 16:57:05,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 16:57:05,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 16:57:05,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 16:57:05,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:57:05,323 INFO L87 Difference]: Start difference. First operand 147942 states and 204558 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 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) [2021-11-05 16:57:08,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 16:57:08,048 INFO L93 Difference]: Finished difference Result 147942 states and 204558 transitions. [2021-11-05 16:57:08,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 16:57:08,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 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 66 [2021-11-05 16:57:08,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 16:57:08,048 INFO L225 Difference]: With dead ends: 147942 [2021-11-05 16:57:08,048 INFO L226 Difference]: Without dead ends: 0 [2021-11-05 16:57:08,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.82ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 16:57:08,139 INFO L933 BasicCegarLoop]: 16855 mSDtfsCounter, 5150 mSDsluCounter, 11588 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 435.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5150 SdHoareTripleChecker+Valid, 28443 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.06ms SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 469.79ms IncrementalHoareTripleChecker+Time [2021-11-05 16:57:08,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5150 Valid, 28443 Invalid, 91 Unknown, 0 Unchecked, 17.06ms Time], IncrementalHoareTripleChecker [45 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 469.79ms Time] [2021-11-05 16:57:08,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-05 16:57:08,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-05 16:57:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-05 16:57:08,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-05 16:57:08,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2021-11-05 16:57:08,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 16:57:08,140 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-05 16:57:08,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 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) [2021-11-05 16:57:08,140 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-05 16:57:08,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-05 16:57:08,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 12 remaining) [2021-11-05 16:57:08,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (10 of 12 remaining) [2021-11-05 16:57:08,142 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (9 of 12 remaining) [2021-11-05 16:57:08,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (8 of 12 remaining) [2021-11-05 16:57:08,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (7 of 12 remaining) [2021-11-05 16:57:08,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2021-11-05 16:57:08,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (5 of 12 remaining) [2021-11-05 16:57:08,143 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (4 of 12 remaining) [2021-11-05 16:57:08,144 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (3 of 12 remaining) [2021-11-05 16:57:08,144 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (2 of 12 remaining) [2021-11-05 16:57:08,144 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (1 of 12 remaining) [2021-11-05 16:57:08,144 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (0 of 12 remaining) [2021-11-05 16:57:08,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-05 16:57:08,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.