/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 04:52:31,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 04:52:31,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 04:52:31,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 04:52:31,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 04:52:31,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 04:52:31,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 04:52:31,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 04:52:31,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 04:52:31,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 04:52:31,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 04:52:31,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 04:52:31,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 04:52:31,218 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 04:52:31,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 04:52:31,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 04:52:31,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 04:52:31,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 04:52:31,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 04:52:31,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 04:52:31,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 04:52:31,223 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 04:52:31,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 04:52:31,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 04:52:31,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 04:52:31,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 04:52:31,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 04:52:31,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 04:52:31,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 04:52:31,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 04:52:31,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 04:52:31,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 04:52:31,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 04:52:31,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 04:52:31,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 04:52:31,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 04:52:31,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 04:52:31,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 04:52:31,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 04:52:31,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 04:52:31,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 04:52:31,238 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 04:52:31,263 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 04:52:31,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 04:52:31,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 04:52:31,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 04:52:31,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 04:52:31,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 04:52:31,265 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 04:52:31,265 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 04:52:31,265 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 04:52:31,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 04:52:31,266 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 04:52:31,266 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 04:52:31,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 04:52:31,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 04:52:31,266 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 04:52:31,266 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 04:52:31,266 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 04:52:31,266 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 04:52:31,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 04:52:31,267 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 04:52:31,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 04:52:31,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 04:52:31,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 04:52:31,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 04:52:31,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 04:52:31,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 04:52:31,268 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 04:52:31,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 04:52:31,268 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 04:52:31,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 04:52:31,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 04:52:31,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 04:52:31,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:52:31,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 04:52:31,269 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 04:52:31,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 04:52:31,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 04:52:31,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 04:52:31,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 04:52:31,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 04:52:31,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 04:52:31,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 04:52:31,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 04:52:31,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 04:52:31,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 04:52:31,441 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 04:52:31,441 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 04:52:31,442 INFO L432 ainManager$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--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-04-03 04:52:32,347 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 04:52:32,707 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 04:52:32,707 INFO L172 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--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-04-03 04:52:32,728 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e02f2e46/9d5661b7aa9c40a4837385d84a01f610/FLAGd09907bdb [2023-04-03 04:52:32,937 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e02f2e46/9d5661b7aa9c40a4837385d84a01f610 [2023-04-03 04:52:32,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 04:52:32,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 04:52:32,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 04:52:32,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 04:52:32,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 04:52:32,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:52:32" (1/1) ... [2023-04-03 04:52:32,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435f9076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:32, skipping insertion in model container [2023-04-03 04:52:32,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 04:52:32" (1/1) ... [2023-04-03 04:52:32,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 04:52:33,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 04:52:33,268 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2023-04-03 04:52:33,269 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3461-3462] [2023-04-03 04:52:33,410 WARN L247 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--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[104435,104448] [2023-04-03 04:52:33,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:52:33,733 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 04:52:33,792 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2023-04-03 04:52:33,792 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3461-3462] [2023-04-03 04:52:33,802 WARN L247 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--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i[104435,104448] [2023-04-03 04:52:33,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 04:52:33,911 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-03 04:52:33,916 INFO L208 MainTranslator]: Completed translation [2023-04-03 04:52:33,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33 WrapperNode [2023-04-03 04:52:33,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 04:52:33,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 04:52:33,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 04:52:33,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 04:52:33,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (1/1) ... [2023-04-03 04:52:33,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (1/1) ... [2023-04-03 04:52:33,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (1/1) ... [2023-04-03 04:52:33,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (1/1) ... [2023-04-03 04:52:34,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (1/1) ... [2023-04-03 04:52:34,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (1/1) ... [2023-04-03 04:52:34,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (1/1) ... [2023-04-03 04:52:34,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (1/1) ... [2023-04-03 04:52:34,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 04:52:34,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 04:52:34,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 04:52:34,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 04:52:34,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (1/1) ... [2023-04-03 04:52:34,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 04:52:34,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:52:34,085 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) [2023-04-03 04:52:34,113 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 [2023-04-03 04:52:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 04:52:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 04:52:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2023-04-03 04:52:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-03 04:52:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 04:52:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-03 04:52:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-03 04:52:34,127 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-03 04:52:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-04-03 04:52:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-03 04:52:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-03 04:52:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2023-04-03 04:52:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-03 04:52:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2023-04-03 04:52:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 04:52:34,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_open [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unlocked_ioctl [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_get_adapter [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_drvrcmd [2023-04-03 04:52:34,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mimd_to_kioc [2023-04-03 04:52:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2023-04-03 04:52:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_alloc_kioc [2023-04-03 04:52:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2023-04-03 04:52:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_ioctl [2023-04-03 04:52:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_done [2023-04-03 04:52:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_timedout [2023-04-03 04:52:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kioc_to_mimd [2023-04-03 04:52:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hinfo_to_cinfo [2023-04-03 04:52:34,130 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_register_adp [2023-04-03 04:52:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_adapter_app_handle [2023-04-03 04:52:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_setup_dma_pools [2023-04-03 04:52:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unregister_adp [2023-04-03 04:52:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_free_adp_resources [2023-04-03 04:52:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_teardown_dma_pools [2023-04-03 04:52:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_init [2023-04-03 04:52:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_compat_ioctl [2023-04-03 04:52:34,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_exit [2023-04-03 04:52:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-03 04:52:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2023-04-03 04:52:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-03 04:52:34,132 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-03 04:52:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-03 04:52:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 04:52:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-03 04:52:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-03 04:52:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-03 04:52:34,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_20 [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_21 [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_22 [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_23 [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_24 [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_25 [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-03 04:52:34,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-04-03 04:52:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-03 04:52:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-03 04:52:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-03 04:52:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-03 04:52:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:52:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-03 04:52:34,135 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-03 04:52:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-04-03 04:52:34,137 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-03 04:52:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-03 04:52:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-03 04:52:34,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-03 04:52:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 04:52:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 04:52:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-03 04:52:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-03 04:52:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 04:52:34,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 04:52:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-03 04:52:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-03 04:52:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-03 04:52:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-03 04:52:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-03 04:52:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-03 04:52:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 04:52:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-03 04:52:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-03 04:52:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 04:52:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-03 04:52:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_21 [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-03 04:52:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-03 04:52:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 04:52:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 04:52:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 04:52:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure down [2023-04-03 04:52:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_20 [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_22 [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_23 [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_24 [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_25 [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_register_adp [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unregister_adp [2023-04-03 04:52:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_adapter_app_handle [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_open [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unlocked_ioctl [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mimd_to_kioc [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure kioc_to_mimd [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure handle_drvrcmd [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure lld_ioctl [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_done [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure lld_timedout [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure hinfo_to_cinfo [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_get_adapter [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_alloc_kioc [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_setup_dma_pools [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_free_adp_resources [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_teardown_dma_pools [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_compat_ioctl [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2023-04-03 04:52:34,151 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_init [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_exit [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 04:52:34,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-03 04:52:34,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 04:52:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-03 04:52:34,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-03 04:52:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-03 04:52:34,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-03 04:52:34,524 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 04:52:34,527 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 04:52:34,618 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-03 04:52:38,117 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 04:52:38,340 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 04:52:38,340 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 04:52:38,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:52:38 BoogieIcfgContainer [2023-04-03 04:52:38,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 04:52:38,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 04:52:38,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 04:52:38,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 04:52:38,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 04:52:32" (1/3) ... [2023-04-03 04:52:38,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b402751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:52:38, skipping insertion in model container [2023-04-03 04:52:38,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 04:52:33" (2/3) ... [2023-04-03 04:52:38,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b402751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 04:52:38, skipping insertion in model container [2023-04-03 04:52:38,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 04:52:38" (3/3) ... [2023-04-03 04:52:38,349 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2023-04-03 04:52:38,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 04:52:38,360 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 04:52:38,412 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 04:52:38,417 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@30557572, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 04:52:38,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 04:52:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 696 states, 417 states have (on average 1.3045563549160673) internal successors, (544), 433 states have internal predecessors, (544), 175 states have call successors, (175), 94 states have call predecessors, (175), 93 states have return successors, (172), 171 states have call predecessors, (172), 172 states have call successors, (172) [2023-04-03 04:52:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-03 04:52:38,436 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:52:38,437 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:52:38,437 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:52:38,440 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:52:38,441 INFO L85 PathProgramCache]: Analyzing trace with hash 551665385, now seen corresponding path program 1 times [2023-04-03 04:52:38,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:52:38,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858672931] [2023-04-03 04:52:38,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:52:38,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:52:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:52:38,976 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-04-03 04:52:38,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:52:38,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858672931] [2023-04-03 04:52:38,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858672931] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:52:38,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:52:38,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:52:38,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23262585] [2023-04-03 04:52:38,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:52:38,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:52:38,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:52:39,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:52:39,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:52:39,018 INFO L87 Difference]: Start difference. First operand has 696 states, 417 states have (on average 1.3045563549160673) internal successors, (544), 433 states have internal predecessors, (544), 175 states have call successors, (175), 94 states have call predecessors, (175), 93 states have return successors, (172), 171 states have call predecessors, (172), 172 states have call successors, (172) Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-03 04:52:39,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:52:39,876 INFO L93 Difference]: Finished difference Result 1084 states and 1413 transitions. [2023-04-03 04:52:39,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:52:39,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 151 [2023-04-03 04:52:39,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:52:39,887 INFO L225 Difference]: With dead ends: 1084 [2023-04-03 04:52:39,887 INFO L226 Difference]: Without dead ends: 534 [2023-04-03 04:52:39,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:52:39,893 INFO L413 NwaCegarLoop]: 582 mSDtfsCounter, 87 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-03 04:52:39,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1138 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-03 04:52:39,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-04-03 04:52:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 527. [2023-04-03 04:52:39,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 326 states have (on average 1.3251533742331287) internal successors, (432), 337 states have internal predecessors, (432), 125 states have call successors, (125), 78 states have call predecessors, (125), 75 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2023-04-03 04:52:39,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 680 transitions. [2023-04-03 04:52:39,955 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 680 transitions. Word has length 151 [2023-04-03 04:52:39,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:52:39,955 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 680 transitions. [2023-04-03 04:52:39,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-04-03 04:52:39,955 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 680 transitions. [2023-04-03 04:52:39,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-03 04:52:39,959 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:52:39,959 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:52:39,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 04:52:39,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:52:39,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:52:39,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1601390618, now seen corresponding path program 1 times [2023-04-03 04:52:39,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:52:39,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057865221] [2023-04-03 04:52:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:52:39,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:52:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:52:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-04-03 04:52:40,201 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:52:40,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057865221] [2023-04-03 04:52:40,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057865221] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:52:40,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:52:40,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-03 04:52:40,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653295409] [2023-04-03 04:52:40,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:52:40,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-03 04:52:40,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:52:40,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-03 04:52:40,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 04:52:40,204 INFO L87 Difference]: Start difference. First operand 527 states and 680 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2023-04-03 04:52:41,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:52:41,507 INFO L93 Difference]: Finished difference Result 1045 states and 1365 transitions. [2023-04-03 04:52:41,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:52:41,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 199 [2023-04-03 04:52:41,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:52:41,510 INFO L225 Difference]: With dead ends: 1045 [2023-04-03 04:52:41,510 INFO L226 Difference]: Without dead ends: 527 [2023-04-03 04:52:41,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-03 04:52:41,513 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 608 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 04:52:41,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 852 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 04:52:41,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-04-03 04:52:41,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2023-04-03 04:52:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 326 states have (on average 1.2975460122699387) internal successors, (423), 337 states have internal predecessors, (423), 125 states have call successors, (125), 78 states have call predecessors, (125), 75 states have return successors, (123), 121 states have call predecessors, (123), 123 states have call successors, (123) [2023-04-03 04:52:41,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 671 transitions. [2023-04-03 04:52:41,536 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 671 transitions. Word has length 199 [2023-04-03 04:52:41,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:52:41,536 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 671 transitions. [2023-04-03 04:52:41,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 4 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2023-04-03 04:52:41,537 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 671 transitions. [2023-04-03 04:52:41,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-03 04:52:41,539 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:52:41,539 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:52:41,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 04:52:41,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:52:41,539 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:52:41,540 INFO L85 PathProgramCache]: Analyzing trace with hash -607010334, now seen corresponding path program 1 times [2023-04-03 04:52:41,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:52:41,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196286595] [2023-04-03 04:52:41,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:52:41,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:52:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:52:41,784 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-04-03 04:52:41,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:52:41,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196286595] [2023-04-03 04:52:41,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196286595] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:52:41,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:52:41,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:52:41,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937366638] [2023-04-03 04:52:41,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:52:41,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:52:41,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:52:41,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:52:41,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:52:41,786 INFO L87 Difference]: Start difference. First operand 527 states and 671 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-03 04:52:42,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:52:42,854 INFO L93 Difference]: Finished difference Result 1107 states and 1415 transitions. [2023-04-03 04:52:42,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:52:42,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 206 [2023-04-03 04:52:42,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:52:42,857 INFO L225 Difference]: With dead ends: 1107 [2023-04-03 04:52:42,857 INFO L226 Difference]: Without dead ends: 589 [2023-04-03 04:52:42,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:52:42,860 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 102 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1086 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 04:52:42,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1086 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 04:52:42,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2023-04-03 04:52:42,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 582. [2023-04-03 04:52:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 367 states have (on average 1.2997275204359673) internal successors, (477), 380 states have internal predecessors, (477), 132 states have call successors, (132), 86 states have call predecessors, (132), 82 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-03 04:52:42,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 739 transitions. [2023-04-03 04:52:42,880 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 739 transitions. Word has length 206 [2023-04-03 04:52:42,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:52:42,881 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 739 transitions. [2023-04-03 04:52:42,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2023-04-03 04:52:42,881 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 739 transitions. [2023-04-03 04:52:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-03 04:52:42,883 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:52:42,884 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:52:42,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 04:52:42,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:52:42,884 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:52:42,884 INFO L85 PathProgramCache]: Analyzing trace with hash -282756827, now seen corresponding path program 1 times [2023-04-03 04:52:42,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:52:42,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859947178] [2023-04-03 04:52:42,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:52:42,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:52:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:52:43,122 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-04-03 04:52:43,122 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:52:43,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859947178] [2023-04-03 04:52:43,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859947178] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:52:43,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:52:43,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:52:43,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353856676] [2023-04-03 04:52:43,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:52:43,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:52:43,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:52:43,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:52:43,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:52:43,125 INFO L87 Difference]: Start difference. First operand 582 states and 739 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 04:52:44,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:52:44,491 INFO L93 Difference]: Finished difference Result 1166 states and 1496 transitions. [2023-04-03 04:52:44,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:52:44,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 223 [2023-04-03 04:52:44,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:52:44,494 INFO L225 Difference]: With dead ends: 1166 [2023-04-03 04:52:44,495 INFO L226 Difference]: Without dead ends: 593 [2023-04-03 04:52:44,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:52:44,497 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 8 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-04-03 04:52:44,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1100 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-04-03 04:52:44,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-04-03 04:52:44,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 583. [2023-04-03 04:52:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 368 states have (on average 1.298913043478261) internal successors, (478), 381 states have internal predecessors, (478), 132 states have call successors, (132), 86 states have call predecessors, (132), 82 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-03 04:52:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 740 transitions. [2023-04-03 04:52:44,513 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 740 transitions. Word has length 223 [2023-04-03 04:52:44,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:52:44,514 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 740 transitions. [2023-04-03 04:52:44,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 04:52:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 740 transitions. [2023-04-03 04:52:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-03 04:52:44,516 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:52:44,516 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:52:44,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 04:52:44,517 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:52:44,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:52:44,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1019940255, now seen corresponding path program 1 times [2023-04-03 04:52:44,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:52:44,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944139999] [2023-04-03 04:52:44,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:52:44,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:52:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:52:44,722 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-04-03 04:52:44,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:52:44,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944139999] [2023-04-03 04:52:44,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944139999] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 04:52:44,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 04:52:44,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 04:52:44,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766812872] [2023-04-03 04:52:44,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 04:52:44,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 04:52:44,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 04:52:44,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 04:52:44,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:52:44,724 INFO L87 Difference]: Start difference. First operand 583 states and 740 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 04:52:45,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 04:52:45,785 INFO L93 Difference]: Finished difference Result 1163 states and 1490 transitions. [2023-04-03 04:52:45,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 04:52:45,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 225 [2023-04-03 04:52:45,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 04:52:45,789 INFO L225 Difference]: With dead ends: 1163 [2023-04-03 04:52:45,789 INFO L226 Difference]: Without dead ends: 589 [2023-04-03 04:52:45,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 04:52:45,791 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 2 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1095 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 04:52:45,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1095 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 04:52:45,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2023-04-03 04:52:45,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 587. [2023-04-03 04:52:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 372 states have (on average 1.3010752688172043) internal successors, (484), 385 states have internal predecessors, (484), 132 states have call successors, (132), 86 states have call predecessors, (132), 82 states have return successors, (130), 126 states have call predecessors, (130), 130 states have call successors, (130) [2023-04-03 04:52:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 746 transitions. [2023-04-03 04:52:45,807 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 746 transitions. Word has length 225 [2023-04-03 04:52:45,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 04:52:45,807 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 746 transitions. [2023-04-03 04:52:45,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-04-03 04:52:45,808 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 746 transitions. [2023-04-03 04:52:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-04-03 04:52:45,810 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 04:52:45,810 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 04:52:45,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 04:52:45,810 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 04:52:45,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 04:52:45,811 INFO L85 PathProgramCache]: Analyzing trace with hash -169162581, now seen corresponding path program 1 times [2023-04-03 04:52:45,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 04:52:45,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685191991] [2023-04-03 04:52:45,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:52:45,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 04:52:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:52:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-03 04:52:46,028 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 04:52:46,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685191991] [2023-04-03 04:52:46,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685191991] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 04:52:46,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443390393] [2023-04-03 04:52:46,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 04:52:46,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 04:52:46,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 04:52:46,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-03 04:52:46,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-03 04:52:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 04:52:46,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 2478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-03 04:52:46,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 04:52:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-04-03 04:52:46,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 04:52:46,891 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-03 04:52:46,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443390393] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 04:52:46,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1650096420] [2023-04-03 04:52:46,916 INFO L159 IcfgInterpreter]: Started Sifa with 186 locations of interest [2023-04-03 04:52:46,917 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 04:52:46,919 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 04:52:46,923 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 04:52:46,923 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 04:52:51,173 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 142 for LOIs [2023-04-03 04:52:52,628 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 148 for LOIs [2023-04-03 04:53:21,719 WARN L223 SmtUtils]: Spent 27.46s on a formula simplification. DAG size of input: 7866 DAG size of output: 255 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:53:54,152 WARN L223 SmtUtils]: Spent 30.09s on a formula simplification. DAG size of input: 8364 DAG size of output: 344 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:54:25,011 WARN L223 SmtUtils]: Spent 27.91s on a formula simplification. DAG size of input: 8087 DAG size of output: 301 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:54:56,558 WARN L223 SmtUtils]: Spent 28.69s on a formula simplification. DAG size of input: 8301 DAG size of output: 397 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:55:25,363 WARN L223 SmtUtils]: Spent 28.74s on a formula simplification. DAG size of input: 8301 DAG size of output: 397 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:55:56,844 WARN L223 SmtUtils]: Spent 31.19s on a formula simplification. DAG size of input: 8700 DAG size of output: 456 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:56:27,975 WARN L223 SmtUtils]: Spent 31.06s on a formula simplification. DAG size of input: 8700 DAG size of output: 456 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2023-04-03 04:56:56,906 WARN L223 SmtUtils]: Spent 28.47s on a formula simplification. DAG size of input: 8156 DAG size of output: 340 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)