/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 IntervalDomain -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 [2023-04-01 01:18:30,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 01:18:30,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 01:18:31,031 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 01:18:31,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 01:18:31,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 01:18:31,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 01:18:31,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 01:18:31,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 01:18:31,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 01:18:31,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 01:18:31,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 01:18:31,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 01:18:31,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 01:18:31,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 01:18:31,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 01:18:31,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 01:18:31,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 01:18:31,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 01:18:31,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 01:18:31,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 01:18:31,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 01:18:31,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 01:18:31,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 01:18:31,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 01:18:31,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 01:18:31,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 01:18:31,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 01:18:31,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 01:18:31,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 01:18:31,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 01:18:31,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 01:18:31,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 01:18:31,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 01:18:31,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 01:18:31,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 01:18:31,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 01:18:31,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 01:18:31,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 01:18:31,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 01:18:31,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 01:18:31,087 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 [2023-04-01 01:18:31,115 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 01:18:31,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 01:18:31,116 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 01:18:31,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 01:18:31,117 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 01:18:31,117 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 01:18:31,117 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 01:18:31,117 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 01:18:31,118 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 01:18:31,118 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 01:18:31,119 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 01:18:31,119 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 01:18:31,119 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 01:18:31,119 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 01:18:31,119 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 01:18:31,119 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 01:18:31,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 01:18:31,119 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 01:18:31,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 01:18:31,120 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 01:18:31,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 01:18:31,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 01:18:31,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 01:18:31,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 01:18:31,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 01:18:31,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 01:18:31,121 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 01:18:31,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 01:18:31,122 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 01:18:31,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 01:18:31,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 01:18:31,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 01:18:31,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:18:31,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 01:18:31,123 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 01:18:31,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 01:18:31,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 01:18:31,123 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 01:18:31,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 01:18:31,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 01:18:31,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 01:18:31,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-04-01 01:18:31,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 01:18:31,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 01:18:31,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 01:18:31,396 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 01:18:31,397 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 01:18:31,398 INFO L432 ainManager$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 [2023-04-01 01:18:32,629 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 01:18:33,051 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 01:18:33,052 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 [2023-04-01 01:18:33,086 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ef39379/6655203bef6444998e29c15bf5c3c2ee/FLAG9ebfcead8 [2023-04-01 01:18:33,103 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84ef39379/6655203bef6444998e29c15bf5c3c2ee [2023-04-01 01:18:33,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 01:18:33,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 01:18:33,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 01:18:33,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 01:18:33,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 01:18:33,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:18:33" (1/1) ... [2023-04-01 01:18:33,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408e567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:33, skipping insertion in model container [2023-04-01 01:18:33,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 01:18:33" (1/1) ... [2023-04-01 01:18:33,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 01:18:33,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 01:18:33,621 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2023-04-01 01:18:33,621 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] [2023-04-01 01:18:33,904 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] [2023-04-01 01:18:34,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:18:34,331 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 01:18:34,405 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3460] [2023-04-01 01:18:34,405 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] [2023-04-01 01:18:34,422 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] [2023-04-01 01:18:34,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 01:18:34,585 WARN L667 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 01:18:34,591 INFO L208 MainTranslator]: Completed translation [2023-04-01 01:18:34,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34 WrapperNode [2023-04-01 01:18:34,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 01:18:34,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 01:18:34,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 01:18:34,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 01:18:34,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (1/1) ... [2023-04-01 01:18:34,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (1/1) ... [2023-04-01 01:18:34,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (1/1) ... [2023-04-01 01:18:34,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (1/1) ... [2023-04-01 01:18:34,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (1/1) ... [2023-04-01 01:18:34,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (1/1) ... [2023-04-01 01:18:34,794 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (1/1) ... [2023-04-01 01:18:34,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (1/1) ... [2023-04-01 01:18:34,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 01:18:34,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 01:18:34,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 01:18:34,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 01:18:34,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (1/1) ... [2023-04-01 01:18:34,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 01:18:34,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:18:34,864 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) [2023-04-01 01:18:34,886 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 [2023-04-01 01:18:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 01:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 01:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2023-04-01 01:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-04-01 01:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 01:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-04-01 01:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-04-01 01:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-04-01 01:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-04-01 01:18:34,903 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-04-01 01:18:34,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2023-04-01 01:18:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2023-04-01 01:18:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-04-01 01:18:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-04-01 01:18:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_open [2023-04-01 01:18:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2023-04-01 01:18:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unlocked_ioctl [2023-04-01 01:18:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_get_adapter [2023-04-01 01:18:34,905 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_drvrcmd [2023-04-01 01:18:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mimd_to_kioc [2023-04-01 01:18:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2023-04-01 01:18:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_alloc_kioc [2023-04-01 01:18:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2023-04-01 01:18:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_ioctl [2023-04-01 01:18:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_done [2023-04-01 01:18:34,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_timedout [2023-04-01 01:18:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure kioc_to_mimd [2023-04-01 01:18:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure hinfo_to_cinfo [2023-04-01 01:18:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_register_adp [2023-04-01 01:18:34,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_adapter_app_handle [2023-04-01 01:18:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_setup_dma_pools [2023-04-01 01:18:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unregister_adp [2023-04-01 01:18:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_free_adp_resources [2023-04-01 01:18:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_teardown_dma_pools [2023-04-01 01:18:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_init [2023-04-01 01:18:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_compat_ioctl [2023-04-01 01:18:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_exit [2023-04-01 01:18:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2023-04-01 01:18:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2023-04-01 01:18:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-04-01 01:18:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2023-04-01 01:18:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-04-01 01:18:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 01:18:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-04-01 01:18:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-04-01 01:18:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-04-01 01:18:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_20 [2023-04-01 01:18:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_21 [2023-04-01 01:18:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_22 [2023-04-01 01:18:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_23 [2023-04-01 01:18:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_24 [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_25 [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2023-04-01 01:18:34,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-04-01 01:18:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-04-01 01:18:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-04-01 01:18:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-04-01 01:18:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-04-01 01:18:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-04-01 01:18:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2023-04-01 01:18:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:18:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-04-01 01:18:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-04-01 01:18:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-04-01 01:18:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-04-01 01:18:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2023-04-01 01:18:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-04-01 01:18:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-04-01 01:18:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2023-04-01 01:18:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2023-04-01 01:18:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-04-01 01:18:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-04-01 01:18:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2023-04-01 01:18:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-04-01 01:18:34,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-04-01 01:18:34,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-04-01 01:18:34,916 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-04-01 01:18:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 01:18:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 01:18:34,916 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-04-01 01:18:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-04-01 01:18:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 01:18:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 01:18:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-04-01 01:18:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-04-01 01:18:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-04-01 01:18:34,921 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-04-01 01:18:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-04-01 01:18:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-04-01 01:18:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 01:18:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-04-01 01:18:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-04-01 01:18:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 01:18:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-04-01 01:18:34,926 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2023-04-01 01:18:34,927 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_21 [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-04-01 01:18:34,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-04-01 01:18:34,929 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2023-04-01 01:18:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-04-01 01:18:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-04-01 01:18:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-04-01 01:18:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2023-04-01 01:18:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 01:18:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 01:18:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 01:18:34,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure down [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure up [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_20 [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_22 [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_23 [2023-04-01 01:18:34,931 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_24 [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_25 [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_register_adp [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unregister_adp [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_adapter_app_handle [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_open [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unlocked_ioctl [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure mimd_to_kioc [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure kioc_to_mimd [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure handle_drvrcmd [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure lld_ioctl [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_done [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure lld_timedout [2023-04-01 01:18:34,932 INFO L130 BoogieDeclarations]: Found specification of procedure hinfo_to_cinfo [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_get_adapter [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_alloc_kioc [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_setup_dma_pools [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_free_adp_resources [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_teardown_dma_pools [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_compat_ioctl [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_init [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_exit [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2023-04-01 01:18:34,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 01:18:34,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-04-01 01:18:34,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 01:18:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-04-01 01:18:34,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-04-01 01:18:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-04-01 01:18:34,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-04-01 01:18:35,420 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 01:18:35,424 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 01:18:35,577 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-04-01 01:18:39,761 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 01:18:40,026 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 01:18:40,027 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 01:18:40,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:18:40 BoogieIcfgContainer [2023-04-01 01:18:40,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 01:18:40,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 01:18:40,033 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 01:18:40,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 01:18:40,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 01:18:33" (1/3) ... [2023-04-01 01:18:40,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcfc8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:18:40, skipping insertion in model container [2023-04-01 01:18:40,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 01:18:34" (2/3) ... [2023-04-01 01:18:40,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcfc8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 01:18:40, skipping insertion in model container [2023-04-01 01:18:40,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 01:18:40" (3/3) ... [2023-04-01 01:18:40,038 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 [2023-04-01 01:18:40,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 01:18:40,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 01:18:40,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 01:18:40,114 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;@4060fbe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 01:18:40,114 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 01:18:40,120 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) [2023-04-01 01:18:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-04-01 01:18:40,139 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:18:40,140 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] [2023-04-01 01:18:40,140 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:18:40,144 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:18:40,144 INFO L85 PathProgramCache]: Analyzing trace with hash 551665385, now seen corresponding path program 1 times [2023-04-01 01:18:40,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:18:40,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258809174] [2023-04-01 01:18:40,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:18:40,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:18:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:18:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-04-01 01:18:40,780 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:18:40,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258809174] [2023-04-01 01:18:40,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258809174] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:18:40,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:18:40,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:18:40,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621678576] [2023-04-01 01:18:40,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:18:40,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:18:40,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:18:40,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:18:40,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:18:40,836 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) [2023-04-01 01:18:41,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:18:41,733 INFO L93 Difference]: Finished difference Result 1084 states and 1413 transitions. [2023-04-01 01:18:41,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:18:41,738 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 [2023-04-01 01:18:41,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:18:41,751 INFO L225 Difference]: With dead ends: 1084 [2023-04-01 01:18:41,751 INFO L226 Difference]: Without dead ends: 534 [2023-04-01 01:18:41,759 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 [2023-04-01 01:18:41,762 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 [2023-04-01 01:18:41,763 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] [2023-04-01 01:18:41,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-04-01 01:18:41,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 527. [2023-04-01 01:18:41,842 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) [2023-04-01 01:18:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 680 transitions. [2023-04-01 01:18:41,847 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 680 transitions. Word has length 151 [2023-04-01 01:18:41,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:18:41,847 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 680 transitions. [2023-04-01 01:18:41,847 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) [2023-04-01 01:18:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 680 transitions. [2023-04-01 01:18:41,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-01 01:18:41,854 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:18:41,854 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] [2023-04-01 01:18:41,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 01:18:41,854 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:18:41,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:18:41,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1601390618, now seen corresponding path program 1 times [2023-04-01 01:18:41,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:18:41,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806162109] [2023-04-01 01:18:41,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:18:41,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:18:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:18:42,311 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-04-01 01:18:42,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:18:42,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806162109] [2023-04-01 01:18:42,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806162109] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:18:42,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:18:42,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-04-01 01:18:42,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625757016] [2023-04-01 01:18:42,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:18:42,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-04-01 01:18:42,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:18:42,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-04-01 01:18:42,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-04-01 01:18:42,316 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) [2023-04-01 01:18:43,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:18:43,751 INFO L93 Difference]: Finished difference Result 1045 states and 1365 transitions. [2023-04-01 01:18:43,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:18:43,752 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 [2023-04-01 01:18:43,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:18:43,756 INFO L225 Difference]: With dead ends: 1045 [2023-04-01 01:18:43,756 INFO L226 Difference]: Without dead ends: 527 [2023-04-01 01:18:43,758 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 [2023-04-01 01:18:43,759 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 608 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 01:18:43,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 852 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 01:18:43,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-04-01 01:18:43,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2023-04-01 01:18:43,794 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) [2023-04-01 01:18:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 671 transitions. [2023-04-01 01:18:43,798 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 671 transitions. Word has length 199 [2023-04-01 01:18:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:18:43,798 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 671 transitions. [2023-04-01 01:18:43,798 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) [2023-04-01 01:18:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 671 transitions. [2023-04-01 01:18:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-01 01:18:43,802 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:18:43,802 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] [2023-04-01 01:18:43,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 01:18:43,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:18:43,803 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:18:43,803 INFO L85 PathProgramCache]: Analyzing trace with hash -607010334, now seen corresponding path program 1 times [2023-04-01 01:18:43,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:18:43,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100385393] [2023-04-01 01:18:43,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:18:43,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:18:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:18:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-04-01 01:18:44,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:18:44,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100385393] [2023-04-01 01:18:44,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100385393] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:18:44,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:18:44,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:18:44,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855052749] [2023-04-01 01:18:44,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:18:44,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:18:44,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:18:44,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:18:44,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:18:44,092 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) [2023-04-01 01:18:45,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:18:45,507 INFO L93 Difference]: Finished difference Result 1107 states and 1415 transitions. [2023-04-01 01:18:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:18:45,507 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 [2023-04-01 01:18:45,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:18:45,511 INFO L225 Difference]: With dead ends: 1107 [2023-04-01 01:18:45,512 INFO L226 Difference]: Without dead ends: 589 [2023-04-01 01:18:45,514 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 [2023-04-01 01:18:45,515 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 102 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2023-04-01 01:18:45,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1086 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-04-01 01:18:45,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2023-04-01 01:18:45,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 582. [2023-04-01 01:18:45,546 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) [2023-04-01 01:18:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 739 transitions. [2023-04-01 01:18:45,550 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 739 transitions. Word has length 206 [2023-04-01 01:18:45,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:18:45,551 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 739 transitions. [2023-04-01 01:18:45,551 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) [2023-04-01 01:18:45,551 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 739 transitions. [2023-04-01 01:18:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-01 01:18:45,555 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:18:45,555 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] [2023-04-01 01:18:45,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 01:18:45,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:18:45,556 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:18:45,556 INFO L85 PathProgramCache]: Analyzing trace with hash -282756827, now seen corresponding path program 1 times [2023-04-01 01:18:45,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:18:45,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857274590] [2023-04-01 01:18:45,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:18:45,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:18:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:18:45,892 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-04-01 01:18:45,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:18:45,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857274590] [2023-04-01 01:18:45,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857274590] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:18:45,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:18:45,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:18:45,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320255994] [2023-04-01 01:18:45,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:18:45,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:18:45,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:18:45,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:18:45,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:18:45,896 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) [2023-04-01 01:18:47,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:18:47,548 INFO L93 Difference]: Finished difference Result 1166 states and 1496 transitions. [2023-04-01 01:18:47,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:18:47,549 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 [2023-04-01 01:18:47,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:18:47,553 INFO L225 Difference]: With dead ends: 1166 [2023-04-01 01:18:47,553 INFO L226 Difference]: Without dead ends: 593 [2023-04-01 01:18:47,555 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 [2023-04-01 01:18:47,556 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 8 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.6s IncrementalHoareTripleChecker+Time [2023-04-01 01:18:47,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1100 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-04-01 01:18:47,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-04-01 01:18:47,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 583. [2023-04-01 01:18:47,585 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) [2023-04-01 01:18:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 740 transitions. [2023-04-01 01:18:47,588 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 740 transitions. Word has length 223 [2023-04-01 01:18:47,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:18:47,591 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 740 transitions. [2023-04-01 01:18:47,591 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) [2023-04-01 01:18:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 740 transitions. [2023-04-01 01:18:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-01 01:18:47,599 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:18:47,599 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] [2023-04-01 01:18:47,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 01:18:47,599 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:18:47,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:18:47,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1019940255, now seen corresponding path program 1 times [2023-04-01 01:18:47,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:18:47,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771287688] [2023-04-01 01:18:47,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:18:47,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:18:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:18:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-04-01 01:18:47,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:18:47,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771287688] [2023-04-01 01:18:47,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771287688] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 01:18:47,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 01:18:47,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 01:18:47,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029175918] [2023-04-01 01:18:47,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 01:18:47,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 01:18:47,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 01:18:47,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 01:18:47,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 01:18:47,866 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) [2023-04-01 01:18:48,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 01:18:48,904 INFO L93 Difference]: Finished difference Result 1163 states and 1490 transitions. [2023-04-01 01:18:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 01:18:48,905 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 [2023-04-01 01:18:48,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 01:18:48,909 INFO L225 Difference]: With dead ends: 1163 [2023-04-01 01:18:48,909 INFO L226 Difference]: Without dead ends: 589 [2023-04-01 01:18:48,911 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 [2023-04-01 01:18:48,912 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 [2023-04-01 01:18:48,912 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] [2023-04-01 01:18:48,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2023-04-01 01:18:48,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 587. [2023-04-01 01:18:48,936 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) [2023-04-01 01:18:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 746 transitions. [2023-04-01 01:18:48,940 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 746 transitions. Word has length 225 [2023-04-01 01:18:48,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 01:18:48,940 INFO L495 AbstractCegarLoop]: Abstraction has 587 states and 746 transitions. [2023-04-01 01:18:48,941 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) [2023-04-01 01:18:48,941 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 746 transitions. [2023-04-01 01:18:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-04-01 01:18:48,944 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 01:18:48,945 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] [2023-04-01 01:18:48,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 01:18:48,945 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 01:18:48,945 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 01:18:48,945 INFO L85 PathProgramCache]: Analyzing trace with hash -169162581, now seen corresponding path program 1 times [2023-04-01 01:18:48,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 01:18:48,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151361295] [2023-04-01 01:18:48,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:18:48,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 01:18:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:18:49,344 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-01 01:18:49,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 01:18:49,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151361295] [2023-04-01 01:18:49,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151361295] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 01:18:49,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491864318] [2023-04-01 01:18:49,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 01:18:49,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 01:18:49,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 01:18:49,348 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) [2023-04-01 01:18:49,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 01:18:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 01:18:50,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 2478 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-01 01:18:50,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 01:18:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-04-01 01:18:50,135 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 01:18:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-04-01 01:18:50,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491864318] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 01:18:50,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [267397853] [2023-04-01 01:18:50,414 INFO L159 IcfgInterpreter]: Started Sifa with 186 locations of interest [2023-04-01 01:18:50,414 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 01:18:50,417 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 01:18:50,422 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 01:18:50,422 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 01:18:55,657 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 142 for LOIs [2023-04-01 01:18:57,089 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 148 for LOIs [2023-04-01 01:19:15,404 INFO L197 IcfgInterpreter]: Interpreting procedure mraid_mm_open with input of size 109 for LOIs [2023-04-01 01:19:15,558 INFO L197 IcfgInterpreter]: Interpreting procedure capable with input of size 104 for LOIs [2023-04-01 01:19:15,575 INFO L197 IcfgInterpreter]: Interpreting procedure mraid_mm_init with input of size 123 for LOIs [2023-04-01 01:19:16,374 INFO L197 IcfgInterpreter]: Interpreting procedure INIT_LIST_HEAD with input of size 112 for LOIs [2023-04-01 01:19:16,401 INFO L197 IcfgInterpreter]: Interpreting procedure __init_waitqueue_head with input of size 112 for LOIs [2023-04-01 01:19:16,425 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_misc_register_24 with input of size 121 for LOIs [2023-04-01 01:19:16,929 INFO L197 IcfgInterpreter]: Interpreting procedure misc_register with input of size 101 for LOIs [2023-04-01 01:19:16,955 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_initialize with input of size 135 for LOIs [2023-04-01 01:19:16,980 INFO L197 IcfgInterpreter]: Interpreting procedure mraid_mm_unlocked_ioctl with input of size 129 for LOIs [2023-04-01 01:19:17,292 INFO L197 IcfgInterpreter]: Interpreting procedure mutex_lock_nested with input of size 108 for LOIs [2023-04-01 01:19:17,311 INFO L197 IcfgInterpreter]: Interpreting procedure mraid_mm_ioctl with input of size 129 for LOIs [2023-04-01 01:19:17,403 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_file_operations_2 with input of size 116 for LOIs [2023-04-01 01:19:17,724 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 106 for LOIs [2023-04-01 01:19:17,894 INFO L197 IcfgInterpreter]: Interpreting procedure printk with input of size 119 for LOIs [2023-04-01 01:19:17,916 INFO L180 IcfgInterpreter]: Interpretation finished