/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 03:01:53,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 03:01:53,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 03:01:53,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 03:01:53,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 03:01:53,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 03:01:53,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 03:01:53,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 03:01:53,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 03:01:53,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 03:01:53,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 03:01:53,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 03:01:53,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 03:01:53,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 03:01:53,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 03:01:53,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 03:01:53,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 03:01:53,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 03:01:53,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 03:01:53,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 03:01:53,943 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 03:01:53,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 03:01:53,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 03:01:53,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 03:01:53,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 03:01:53,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 03:01:53,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 03:01:53,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 03:01:53,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 03:01:53,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 03:01:53,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 03:01:53,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 03:01:53,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 03:01:53,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 03:01:53,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 03:01:53,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 03:01:53,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 03:01:53,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 03:01:53,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 03:01:53,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 03:01:53,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 03:01:53,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 03:01:53,993 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 03:01:53,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 03:01:53,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 03:01:53,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 03:01:53,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 03:01:53,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 03:01:53,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 03:01:53,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 03:01:53,995 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 03:01:53,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 03:01:53,996 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 03:01:53,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 03:01:53,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 03:01:53,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 03:01:53,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 03:01:53,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 03:01:53,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 03:01:53,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 03:01:53,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 03:01:53,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 03:01:53,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 03:01:53,998 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 03:01:53,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 03:01:53,998 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 03:01:53,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 03:01:53,998 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 03:01:53,998 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 03:01:54,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 03:01:54,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 03:01:54,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 03:01:54,176 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 03:01:54,176 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 03:01:54,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2023-03-31 03:01:55,316 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 03:01:55,971 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 03:01:55,971 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2023-03-31 03:01:56,011 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a86fe222/fa5f32f1caf2462bbf6e20ab731f04fa/FLAGd0bf7f209 [2023-03-31 03:01:56,031 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a86fe222/fa5f32f1caf2462bbf6e20ab731f04fa [2023-03-31 03:01:56,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 03:01:56,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 03:01:56,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 03:01:56,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 03:01:56,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 03:01:56,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 03:01:56" (1/1) ... [2023-03-31 03:01:56,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a6df8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:56, skipping insertion in model container [2023-03-31 03:01:56,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 03:01:56" (1/1) ... [2023-03-31 03:01:56,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 03:01:56,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 03:01:57,554 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i[217361,217374] [2023-03-31 03:01:57,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 03:01:57,645 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 03:01:57,861 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i[217361,217374] [2023-03-31 03:01:57,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 03:01:57,921 INFO L208 MainTranslator]: Completed translation [2023-03-31 03:01:57,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57 WrapperNode [2023-03-31 03:01:57,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 03:01:57,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 03:01:57,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 03:01:57,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 03:01:57,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (1/1) ... [2023-03-31 03:01:57,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (1/1) ... [2023-03-31 03:01:57,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (1/1) ... [2023-03-31 03:01:57,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (1/1) ... [2023-03-31 03:01:58,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (1/1) ... [2023-03-31 03:01:58,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (1/1) ... [2023-03-31 03:01:58,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (1/1) ... [2023-03-31 03:01:58,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (1/1) ... [2023-03-31 03:01:58,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 03:01:58,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 03:01:58,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 03:01:58,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 03:01:58,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (1/1) ... [2023-03-31 03:01:58,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 03:01:58,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 03:01:58,177 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) [2023-03-31 03:01:58,179 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 [2023-03-31 03:01:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 03:01:58,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 03:01:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-03-31 03:01:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-03-31 03:01:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-03-31 03:01:58,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic64_read [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-03-31 03:01:58,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_logical_block_size [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_lock_nointr [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sector [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_format [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_copies [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_format_to_md_layout [2023-03-31 03:01:58,205 INFO L138 BoogieDeclarations]: Found implementation of procedure get_raid_type [2023-03-31 03:01:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure context_alloc [2023-03-31 03:01:58,206 INFO L138 BoogieDeclarations]: Found implementation of procedure context_free [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_parms [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_region_size [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_raid_redundancy [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_raid_params [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure do_table_event [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_is_congested [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure read_disk_sb [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure super_sync [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure super_load [2023-03-31 03:01:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure super_init_validation [2023-03-31 03:01:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure super_validate [2023-03-31 03:01:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure analyse_superblocks [2023-03-31 03:01:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure configure_discard_support [2023-03-31 03:01:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_ctr [2023-03-31 03:01:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_dtr [2023-03-31 03:01:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_map [2023-03-31 03:01:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure decipher_sync_action [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_status [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_message [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_iterate_devices [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_io_hints [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_presuspend [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_postsuspend [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure attempt_restore_of_faulty_devices [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_resume [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_merge [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_init [2023-03-31 03:01:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_raid_exit [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2023-03-31 03:01:58,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2023-03-31 03:01:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2023-03-31 03:01:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2023-03-31 03:01:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2023-03-31 03:01:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2023-03-31 03:01:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_13 [2023-03-31 03:01:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_17 [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_20 [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2023-03-31 03:01:58,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-03-31 03:01:58,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2023-03-31 03:01:58,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2023-03-31 03:01:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2023-03-31 03:01:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2023-03-31 03:01:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-03-31 03:01:58,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2023-03-31 03:01:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2023-03-31 03:01:58,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2023-03-31 03:01:58,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-03-31 03:01:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2023-03-31 03:01:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2023-03-31 03:01:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2023-03-31 03:01:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2023-03-31 03:01:58,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_current [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_load [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2023-03-31 03:01:58,224 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_set_target_max_io_len [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_add_target_callbacks [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2023-03-31 03:01:58,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_preresume_2 [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure md_error [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_clear [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure md_rdev_init [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure md_reap_sync_thread [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure md_run [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop_writes [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_congested [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_init [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_resume [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_unlock [2023-03-31 03:01:58,226 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_set_cache_size [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_page_io [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-03-31 03:01:58,227 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-03-31 03:01:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 03:01:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 03:01:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2023-03-31 03:01:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2023-03-31 03:01:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 03:01:58,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-03-31 03:01:58,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure atomic64_read [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_13 [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_20 [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 03:01:58,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-03-31 03:01:58,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-03-31 03:01:58,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2023-03-31 03:01:58,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-03-31 03:01:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2023-03-31 03:01:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_17 [2023-03-31 03:01:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-03-31 03:01:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2023-03-31 03:01:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2023-03-31 03:01:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2023-03-31 03:01:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2023-03-31 03:01:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2023-03-31 03:01:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_reconfig_mutex_of_mddev [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_reconfig_mutex_of_mddev [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_current [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-03-31 03:01:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure queue_logical_block_size [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_lock_nointr [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_unlock [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure md_reap_sync_thread [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure md_error [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_congested [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure sync_page_io [2023-03-31 03:01:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_init [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure md_run [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop_writes [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_init [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure md_rdev_clear [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_resume [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_set_cache_size [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_load [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_add_target_callbacks [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure dm_set_target_max_io_len [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure to_sector [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_format [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_copies [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_format_to_md_layout [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure get_raid_type [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure context_alloc [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 03:01:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure context_free [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure dev_parms [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure validate_region_size [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure validate_raid_redundancy [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure parse_raid_params [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure do_table_event [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure raid_is_congested [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure read_disk_sb [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure super_sync [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure super_load [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure super_init_validation [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure super_validate [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure analyse_superblocks [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure configure_discard_support [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure raid_ctr [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure raid_dtr [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure raid_map [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure decipher_sync_action [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure raid_status [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure raid_message [2023-03-31 03:01:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure raid_iterate_devices [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure raid_io_hints [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure raid_presuspend [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure raid_postsuspend [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure attempt_restore_of_faulty_devices [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure raid_resume [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure raid_merge [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_init [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure dm_raid_exit [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_preresume_2 [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2023-03-31 03:01:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_reconfig_mutex_of_mddev [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_reconfig_mutex_of_mddev [2023-03-31 03:01:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_reconfig_mutex_of_mddev [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_reconfig_mutex_of_mddev [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_reconfig_mutex_of_mddev [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_reconfig_mutex_of_mddev [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_reconfig_mutex_of_mddev [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_reconfig_mutex_of_mddev [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 03:01:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 03:01:58,795 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 03:01:58,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 03:01:58,894 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-03-31 03:02:01,424 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 03:02:01,445 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 03:02:01,445 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 03:02:01,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 03:02:01 BoogieIcfgContainer [2023-03-31 03:02:01,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 03:02:01,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 03:02:01,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 03:02:01,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 03:02:01,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 03:01:56" (1/3) ... [2023-03-31 03:02:01,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5d13fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 03:02:01, skipping insertion in model container [2023-03-31 03:02:01,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 03:01:57" (2/3) ... [2023-03-31 03:02:01,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5d13fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 03:02:01, skipping insertion in model container [2023-03-31 03:02:01,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 03:02:01" (3/3) ... [2023-03-31 03:02:01,473 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2023-03-31 03:02:01,498 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 03:02:01,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 03:02:01,606 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 03:02:01,611 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25bcc19a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 03:02:01,612 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 03:02:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 1881 states, 1310 states have (on average 1.383206106870229) internal successors, (1812), 1343 states have internal predecessors, (1812), 388 states have call successors, (388), 129 states have call predecessors, (388), 128 states have return successors, (383), 378 states have call predecessors, (383), 383 states have call successors, (383) [2023-03-31 03:02:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-03-31 03:02:01,646 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 03:02:01,647 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 03:02:01,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 03:02:01,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 03:02:01,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1055325749, now seen corresponding path program 1 times [2023-03-31 03:02:01,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 03:02:01,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945566660] [2023-03-31 03:02:01,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 03:02:01,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 03:02:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:02:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 03:02:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 03:02:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 03:02:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 03:02:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 03:02:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 03:02:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 03:02:02,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 03:02:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 03:02:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 03:02:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 03:02:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 03:02:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 03:02:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-03-31 03:02:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 03:02:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-03-31 03:02:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-03-31 03:02:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:02:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-03-31 03:02:02,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 03:02:02,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945566660] [2023-03-31 03:02:02,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945566660] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 03:02:02,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 03:02:02,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 03:02:02,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447815041] [2023-03-31 03:02:02,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 03:02:02,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 03:02:02,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 03:02:02,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 03:02:02,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-03-31 03:02:02,868 INFO L87 Difference]: Start difference. First operand has 1881 states, 1310 states have (on average 1.383206106870229) internal successors, (1812), 1343 states have internal predecessors, (1812), 388 states have call successors, (388), 129 states have call predecessors, (388), 128 states have return successors, (383), 378 states have call predecessors, (383), 383 states have call successors, (383) Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 03:02:12,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 03:02:12,863 INFO L93 Difference]: Finished difference Result 3337 states and 4792 transitions. [2023-03-31 03:02:12,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 03:02:12,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 237 [2023-03-31 03:02:12,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 03:02:12,886 INFO L225 Difference]: With dead ends: 3337 [2023-03-31 03:02:12,887 INFO L226 Difference]: Without dead ends: 1714 [2023-03-31 03:02:12,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2023-03-31 03:02:12,904 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 3451 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 4728 mSolverCounterSat, 1446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 960 SdHoareTripleChecker+Invalid, 6174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1446 IncrementalHoareTripleChecker+Valid, 4728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-03-31 03:02:12,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3595 Valid, 960 Invalid, 6174 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1446 Valid, 4728 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-03-31 03:02:12,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2023-03-31 03:02:13,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1602. [2023-03-31 03:02:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1602 states, 1144 states have (on average 1.3854895104895104) internal successors, (1585), 1164 states have internal predecessors, (1585), 339 states have call successors, (339), 121 states have call predecessors, (339), 118 states have return successors, (332), 327 states have call predecessors, (332), 332 states have call successors, (332) [2023-03-31 03:02:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1602 states and 2256 transitions. [2023-03-31 03:02:13,313 INFO L78 Accepts]: Start accepts. Automaton has 1602 states and 2256 transitions. Word has length 237 [2023-03-31 03:02:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 03:02:13,314 INFO L495 AbstractCegarLoop]: Abstraction has 1602 states and 2256 transitions. [2023-03-31 03:02:13,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 03:02:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2256 transitions. [2023-03-31 03:02:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-03-31 03:02:13,318 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 03:02:13,318 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 03:02:13,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 03:02:13,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 03:02:13,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 03:02:13,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1626616901, now seen corresponding path program 1 times [2023-03-31 03:02:13,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 03:02:13,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097361197] [2023-03-31 03:02:13,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 03:02:13,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 03:02:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:02:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 03:02:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 03:02:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 03:02:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 03:02:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 03:02:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 03:02:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 03:02:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 03:02:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 03:02:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 03:02:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 03:02:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 03:02:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 03:02:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-03-31 03:02:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 03:02:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-03-31 03:02:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2023-03-31 03:02:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:02:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:13,837 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-03-31 03:02:13,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 03:02:13,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097361197] [2023-03-31 03:02:13,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097361197] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 03:02:13,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 03:02:13,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 03:02:13,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253331318] [2023-03-31 03:02:13,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 03:02:13,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 03:02:13,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 03:02:13,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 03:02:13,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 03:02:13,839 INFO L87 Difference]: Start difference. First operand 1602 states and 2256 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 03:02:29,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 03:02:29,475 INFO L93 Difference]: Finished difference Result 4883 states and 6912 transitions. [2023-03-31 03:02:29,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 03:02:29,475 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 237 [2023-03-31 03:02:29,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 03:02:29,492 INFO L225 Difference]: With dead ends: 4883 [2023-03-31 03:02:29,492 INFO L226 Difference]: Without dead ends: 3330 [2023-03-31 03:02:29,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2023-03-31 03:02:29,497 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 11257 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 5820 mSolverCounterSat, 4829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11451 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 10649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4829 IncrementalHoareTripleChecker+Valid, 5820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2023-03-31 03:02:29,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11451 Valid, 917 Invalid, 10649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4829 Valid, 5820 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2023-03-31 03:02:29,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2023-03-31 03:02:30,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 3106. [2023-03-31 03:02:30,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 2237 states have (on average 1.391148860080465) internal successors, (3112), 2271 states have internal predecessors, (3112), 643 states have call successors, (643), 228 states have call predecessors, (643), 225 states have return successors, (636), 626 states have call predecessors, (636), 636 states have call successors, (636) [2023-03-31 03:02:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 4391 transitions. [2023-03-31 03:02:30,276 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 4391 transitions. Word has length 237 [2023-03-31 03:02:30,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 03:02:30,291 INFO L495 AbstractCegarLoop]: Abstraction has 3106 states and 4391 transitions. [2023-03-31 03:02:30,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-03-31 03:02:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 4391 transitions. [2023-03-31 03:02:30,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-03-31 03:02:30,295 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 03:02:30,295 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 03:02:30,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 03:02:30,296 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 03:02:30,296 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 03:02:30,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2051824728, now seen corresponding path program 1 times [2023-03-31 03:02:30,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 03:02:30,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062116873] [2023-03-31 03:02:30,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 03:02:30,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 03:02:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:02:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 03:02:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 03:02:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 03:02:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:30,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 03:02:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 03:02:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 03:02:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 03:02:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 03:02:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 03:02:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 03:02:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 03:02:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 03:02:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 03:02:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-03-31 03:02:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 03:02:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-03-31 03:02:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-03-31 03:02:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-03-31 03:02:31,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 03:02:31,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062116873] [2023-03-31 03:02:31,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062116873] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 03:02:31,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 03:02:31,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 03:02:31,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743914286] [2023-03-31 03:02:31,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 03:02:31,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 03:02:31,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 03:02:31,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 03:02:31,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 03:02:31,201 INFO L87 Difference]: Start difference. First operand 3106 states and 4391 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 03:02:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 03:02:41,381 INFO L93 Difference]: Finished difference Result 3329 states and 4716 transitions. [2023-03-31 03:02:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 03:02:41,382 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 247 [2023-03-31 03:02:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 03:02:41,397 INFO L225 Difference]: With dead ends: 3329 [2023-03-31 03:02:41,397 INFO L226 Difference]: Without dead ends: 3326 [2023-03-31 03:02:41,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2023-03-31 03:02:41,399 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 6488 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 4506 mSolverCounterSat, 2934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6537 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 7440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2934 IncrementalHoareTripleChecker+Valid, 4506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-03-31 03:02:41,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6537 Valid, 875 Invalid, 7440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2934 Valid, 4506 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-03-31 03:02:41,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3326 states. [2023-03-31 03:02:41,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3326 to 3105. [2023-03-31 03:02:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3105 states, 2237 states have (on average 1.3907018328118015) internal successors, (3111), 2270 states have internal predecessors, (3111), 642 states have call successors, (642), 228 states have call predecessors, (642), 225 states have return successors, (636), 626 states have call predecessors, (636), 636 states have call successors, (636) [2023-03-31 03:02:41,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 3105 states and 4389 transitions. [2023-03-31 03:02:41,981 INFO L78 Accepts]: Start accepts. Automaton has 3105 states and 4389 transitions. Word has length 247 [2023-03-31 03:02:41,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 03:02:41,982 INFO L495 AbstractCegarLoop]: Abstraction has 3105 states and 4389 transitions. [2023-03-31 03:02:41,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 03:02:41,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3105 states and 4389 transitions. [2023-03-31 03:02:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-03-31 03:02:41,986 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 03:02:41,987 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 03:02:41,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 03:02:41,987 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 03:02:41,987 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 03:02:41,988 INFO L85 PathProgramCache]: Analyzing trace with hash 817271320, now seen corresponding path program 1 times [2023-03-31 03:02:41,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 03:02:41,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438508900] [2023-03-31 03:02:41,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 03:02:41,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 03:02:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:02:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 03:02:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 03:02:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 03:02:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 03:02:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 03:02:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 03:02:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 03:02:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 03:02:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 03:02:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 03:02:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 03:02:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 03:02:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 03:02:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-03-31 03:02:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 03:02:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-03-31 03:02:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-03-31 03:02:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-03-31 03:02:42,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 03:02:42,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438508900] [2023-03-31 03:02:42,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438508900] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 03:02:42,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 03:02:42,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 03:02:42,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226022645] [2023-03-31 03:02:42,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 03:02:42,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 03:02:42,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 03:02:42,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 03:02:42,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 03:02:42,545 INFO L87 Difference]: Start difference. First operand 3105 states and 4389 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 03:02:49,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 03:02:49,447 INFO L93 Difference]: Finished difference Result 3328 states and 4714 transitions. [2023-03-31 03:02:49,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 03:02:49,451 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 248 [2023-03-31 03:02:49,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 03:02:49,488 INFO L225 Difference]: With dead ends: 3328 [2023-03-31 03:02:49,489 INFO L226 Difference]: Without dead ends: 3325 [2023-03-31 03:02:49,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2023-03-31 03:02:49,492 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 7425 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 2963 mSolverCounterSat, 3432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7474 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 6395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3432 IncrementalHoareTripleChecker+Valid, 2963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-03-31 03:02:49,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7474 Valid, 560 Invalid, 6395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3432 Valid, 2963 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-03-31 03:02:49,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2023-03-31 03:02:49,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3104. [2023-03-31 03:02:49,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3104 states, 2237 states have (on average 1.390254805543138) internal successors, (3110), 2269 states have internal predecessors, (3110), 641 states have call successors, (641), 228 states have call predecessors, (641), 225 states have return successors, (636), 626 states have call predecessors, (636), 636 states have call successors, (636) [2023-03-31 03:02:49,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4387 transitions. [2023-03-31 03:02:49,960 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4387 transitions. Word has length 248 [2023-03-31 03:02:49,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 03:02:49,960 INFO L495 AbstractCegarLoop]: Abstraction has 3104 states and 4387 transitions. [2023-03-31 03:02:49,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 03:02:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4387 transitions. [2023-03-31 03:02:49,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2023-03-31 03:02:49,963 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 03:02:49,963 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 03:02:49,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 03:02:49,963 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 03:02:49,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 03:02:49,963 INFO L85 PathProgramCache]: Analyzing trace with hash -435059541, now seen corresponding path program 1 times [2023-03-31 03:02:49,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 03:02:49,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211650689] [2023-03-31 03:02:49,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 03:02:49,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 03:02:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:02:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 03:02:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 03:02:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 03:02:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 03:02:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 03:02:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 03:02:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 03:02:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 03:02:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 03:02:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 03:02:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 03:02:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 03:02:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 03:02:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-03-31 03:02:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 03:02:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-03-31 03:02:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-03-31 03:02:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-03-31 03:02:50,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 03:02:50,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211650689] [2023-03-31 03:02:50,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211650689] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 03:02:50,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 03:02:50,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 03:02:50,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891609207] [2023-03-31 03:02:50,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 03:02:50,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 03:02:50,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 03:02:50,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 03:02:50,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 03:02:50,394 INFO L87 Difference]: Start difference. First operand 3104 states and 4387 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 03:02:58,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 03:02:58,140 INFO L93 Difference]: Finished difference Result 3327 states and 4712 transitions. [2023-03-31 03:02:58,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 03:02:58,141 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 249 [2023-03-31 03:02:58,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 03:02:58,154 INFO L225 Difference]: With dead ends: 3327 [2023-03-31 03:02:58,154 INFO L226 Difference]: Without dead ends: 3324 [2023-03-31 03:02:58,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2023-03-31 03:02:58,156 INFO L413 NwaCegarLoop]: 223 mSDtfsCounter, 7391 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 2978 mSolverCounterSat, 3411 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7440 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 6389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3411 IncrementalHoareTripleChecker+Valid, 2978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-03-31 03:02:58,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7440 Valid, 560 Invalid, 6389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3411 Valid, 2978 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-03-31 03:02:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3324 states. [2023-03-31 03:02:58,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3324 to 3103. [2023-03-31 03:02:58,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 2237 states have (on average 1.3898077782744747) internal successors, (3109), 2268 states have internal predecessors, (3109), 640 states have call successors, (640), 228 states have call predecessors, (640), 225 states have return successors, (636), 626 states have call predecessors, (636), 636 states have call successors, (636) [2023-03-31 03:02:58,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4385 transitions. [2023-03-31 03:02:58,766 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4385 transitions. Word has length 249 [2023-03-31 03:02:58,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 03:02:58,768 INFO L495 AbstractCegarLoop]: Abstraction has 3103 states and 4385 transitions. [2023-03-31 03:02:58,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-03-31 03:02:58,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4385 transitions. [2023-03-31 03:02:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2023-03-31 03:02:58,774 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 03:02:58,774 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 03:02:58,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 03:02:58,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 03:02:58,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 03:02:58,777 INFO L85 PathProgramCache]: Analyzing trace with hash -602605701, now seen corresponding path program 1 times [2023-03-31 03:02:58,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 03:02:58,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118792110] [2023-03-31 03:02:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 03:02:58,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 03:02:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 03:02:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 03:02:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 03:02:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 03:02:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-03-31 03:02:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 03:02:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 03:02:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 03:02:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 03:02:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 03:02:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 03:02:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 03:02:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 03:02:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 03:02:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-03-31 03:02:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 03:02:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-03-31 03:02:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-03-31 03:02:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 03:02:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 03:02:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 03:02:59,580 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2023-03-31 03:02:59,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 03:02:59,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118792110] [2023-03-31 03:02:59,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118792110] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 03:02:59,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 03:02:59,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 03:02:59,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117446064] [2023-03-31 03:02:59,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 03:02:59,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 03:02:59,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 03:02:59,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 03:02:59,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 03:02:59,583 INFO L87 Difference]: Start difference. First operand 3103 states and 4385 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 8 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24)