./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:20:05,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:20:05,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:20:05,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:20:05,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:20:05,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:20:05,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:20:05,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:20:05,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:20:05,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:20:05,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:20:05,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:20:05,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:20:05,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:20:05,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:20:05,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:20:05,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:20:05,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:20:05,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:20:05,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:20:05,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:20:05,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:20:05,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:20:05,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:20:05,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:20:05,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:20:05,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:20:05,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:20:05,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:20:05,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:20:05,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:20:05,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:20:05,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:20:05,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:20:06,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:20:06,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:20:06,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:20:06,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:20:06,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:20:06,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:20:06,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:20:06,003 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:20:06,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:20:06,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:20:06,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:20:06,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:20:06,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:20:06,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:20:06,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:20:06,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:20:06,033 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:20:06,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:20:06,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:20:06,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:20:06,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:20:06,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:20:06,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:20:06,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:20:06,035 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:20:06,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:20:06,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:20:06,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:20:06,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:20:06,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:20:06,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:20:06,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:20:06,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:20:06,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:20:06,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:20:06,037 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:20:06,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:20:06,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:20:06,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:20:06,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2021-12-16 04:20:06,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:20:06,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:20:06,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:20:06,238 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:20:06,238 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:20:06,239 INFO L432 ainManager$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-cache.ko-entry_point.cil.out.i [2021-12-16 04:20:06,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4259d58ac/cb66bef0cf664e58a003a7bb98021bb7/FLAGe1d896195 [2021-12-16 04:20:06,988 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:20:06,989 INFO L160 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-cache.ko-entry_point.cil.out.i [2021-12-16 04:20:07,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4259d58ac/cb66bef0cf664e58a003a7bb98021bb7/FLAGe1d896195 [2021-12-16 04:20:07,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4259d58ac/cb66bef0cf664e58a003a7bb98021bb7 [2021-12-16 04:20:07,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:20:07,325 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:20:07,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:20:07,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:20:07,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:20:07,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:20:07" (1/1) ... [2021-12-16 04:20:07,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c243dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:07, skipping insertion in model container [2021-12-16 04:20:07,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:20:07" (1/1) ... [2021-12-16 04:20:07,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:20:07,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:20:10,194 WARN L230 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-cache.ko-entry_point.cil.out.i[382358,382371] [2021-12-16 04:20:10,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:20:10,403 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:20:10,741 WARN L230 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-cache.ko-entry_point.cil.out.i[382358,382371] [2021-12-16 04:20:10,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:20:10,915 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:20:10,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10 WrapperNode [2021-12-16 04:20:10,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:20:10,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:20:10,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:20:10,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:20:10,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,219 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2021-12-16 04:20:11,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:20:11,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:20:11,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:20:11,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:20:11,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:20:11,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:20:11,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:20:11,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:20:11,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (1/1) ... [2021-12-16 04:20:11,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:20:11,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:20:11,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:20:11,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:20:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-16 04:20:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-16 04:20:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-16 04:20:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-16 04:20:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 04:20:11,581 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 04:20:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-16 04:20:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-16 04:20:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-16 04:20:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-16 04:20:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-16 04:20:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-16 04:20:11,582 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-16 04:20:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-16 04:20:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-16 04:20:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-16 04:20:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-16 04:20:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-16 04:20:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-16 04:20:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-16 04:20:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-16 04:20:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:20:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:20:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-16 04:20:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-16 04:20:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-16 04:20:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-16 04:20:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-16 04:20:11,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-16 04:20:11,584 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-16 04:20:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-16 04:20:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-16 04:20:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-16 04:20:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-16 04:20:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-16 04:20:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:20:11,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:20:11,585 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-16 04:20:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-16 04:20:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-16 04:20:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-16 04:20:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-16 04:20:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-16 04:20:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-16 04:20:11,586 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-16 04:20:11,586 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-16 04:20:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-16 04:20:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-16 04:20:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-16 04:20:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-16 04:20:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-16 04:20:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-16 04:20:11,587 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-16 04:20:11,587 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-16 04:20:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-16 04:20:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-16 04:20:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:20:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:20:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-16 04:20:11,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-16 04:20:11,588 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-16 04:20:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-16 04:20:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:20:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:20:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-16 04:20:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-16 04:20:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-16 04:20:11,589 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-16 04:20:11,589 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-16 04:20:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-16 04:20:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-16 04:20:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-16 04:20:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-16 04:20:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-16 04:20:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-16 04:20:11,590 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-16 04:20:11,590 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:20:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:20:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-16 04:20:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-16 04:20:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-16 04:20:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-16 04:20:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-16 04:20:11,591 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-16 04:20:11,591 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-16 04:20:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-16 04:20:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-16 04:20:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-16 04:20:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-16 04:20:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-16 04:20:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-16 04:20:11,592 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-16 04:20:11,592 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-16 04:20:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-16 04:20:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-16 04:20:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:20:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:20:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:20:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:20:11,593 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-16 04:20:11,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-16 04:20:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:20:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-16 04:20:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-16 04:20:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-16 04:20:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-16 04:20:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:20:11,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:20:11,594 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-16 04:20:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-16 04:20:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-16 04:20:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-16 04:20:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-16 04:20:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-16 04:20:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-16 04:20:11,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-16 04:20:11,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:20:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-16 04:20:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-16 04:20:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-16 04:20:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-16 04:20:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:20:11,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:20:11,596 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-16 04:20:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-16 04:20:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-16 04:20:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-16 04:20:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:20:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-16 04:20:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-16 04:20:11,597 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-16 04:20:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-16 04:20:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-16 04:20:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-16 04:20:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-16 04:20:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-16 04:20:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:20:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-16 04:20:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-16 04:20:11,598 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-16 04:20:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-16 04:20:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:20:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:20:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-16 04:20:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-16 04:20:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-16 04:20:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-16 04:20:11,599 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-16 04:20:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-16 04:20:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-16 04:20:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-16 04:20:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-16 04:20:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-16 04:20:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-16 04:20:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-16 04:20:11,600 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-16 04:20:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-16 04:20:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-16 04:20:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-16 04:20:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-16 04:20:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-16 04:20:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2021-12-16 04:20:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2021-12-16 04:20:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:20:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:20:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-16 04:20:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-16 04:20:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-16 04:20:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-16 04:20:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-16 04:20:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-16 04:20:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:20:11,602 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-16 04:20:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-16 04:20:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-16 04:20:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-16 04:20:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-16 04:20:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-16 04:20:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:20:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-16 04:20:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-16 04:20:11,603 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-16 04:20:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-16 04:20:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-16 04:20:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-16 04:20:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:20:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:20:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:20:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-16 04:20:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-16 04:20:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-16 04:20:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-16 04:20:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-16 04:20:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-16 04:20:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-16 04:20:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-16 04:20:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-16 04:20:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-16 04:20:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-16 04:20:11,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-16 04:20:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-16 04:20:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-16 04:20:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-16 04:20:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-16 04:20:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-16 04:20:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-16 04:20:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-16 04:20:11,606 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-16 04:20:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-16 04:20:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-16 04:20:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 04:20:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 04:20:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-16 04:20:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-16 04:20:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-16 04:20:11,607 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-16 04:20:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-16 04:20:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-16 04:20:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-16 04:20:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-16 04:20:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-16 04:20:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-16 04:20:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-16 04:20:11,608 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-16 04:20:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-16 04:20:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-16 04:20:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-16 04:20:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-16 04:20:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:20:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:20:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-16 04:20:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-16 04:20:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-16 04:20:11,609 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-16 04:20:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-16 04:20:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-16 04:20:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-16 04:20:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-16 04:20:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-16 04:20:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-16 04:20:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-16 04:20:11,610 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-16 04:20:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:20:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:20:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-16 04:20:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-16 04:20:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-16 04:20:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-16 04:20:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-16 04:20:11,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-16 04:20:11,611 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-16 04:20:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-16 04:20:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-16 04:20:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-16 04:20:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-16 04:20:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-16 04:20:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-16 04:20:11,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-16 04:20:11,612 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-16 04:20:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-16 04:20:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:20:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:20:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:20:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:20:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-16 04:20:11,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-16 04:20:11,613 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-16 04:20:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-16 04:20:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-16 04:20:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-16 04:20:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-16 04:20:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-16 04:20:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-16 04:20:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-16 04:20:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-16 04:20:11,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-16 04:20:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-16 04:20:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-16 04:20:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-16 04:20:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-16 04:20:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-16 04:20:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-16 04:20:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2021-12-16 04:20:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2021-12-16 04:20:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-16 04:20:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-16 04:20:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-16 04:20:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-16 04:20:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-16 04:20:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-16 04:20:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 04:20:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 04:20:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-16 04:20:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-16 04:20:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:20:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:20:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-16 04:20:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-16 04:20:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-16 04:20:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-16 04:20:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 04:20:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 04:20:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:20:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:20:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-16 04:20:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-16 04:20:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:20:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:20:11,618 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-16 04:20:11,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-16 04:20:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-16 04:20:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-16 04:20:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-16 04:20:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-16 04:20:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-16 04:20:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-16 04:20:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-16 04:20:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-16 04:20:11,619 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-16 04:20:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-16 04:20:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-16 04:20:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-16 04:20:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-16 04:20:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-16 04:20:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-16 04:20:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-16 04:20:11,620 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-16 04:20:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-16 04:20:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-16 04:20:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-16 04:20:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:20:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 04:20:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 04:20:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-16 04:20:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-16 04:20:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-16 04:20:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-16 04:20:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:20:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-16 04:20:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-16 04:20:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-16 04:20:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-16 04:20:11,622 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-16 04:20:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-16 04:20:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-16 04:20:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-16 04:20:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-16 04:20:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-16 04:20:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-16 04:20:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-16 04:20:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-16 04:20:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-16 04:20:11,623 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-16 04:20:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-16 04:20:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:20:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-16 04:20:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-16 04:20:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-16 04:20:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-16 04:20:11,624 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-16 04:20:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-16 04:20:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:20:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:20:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 04:20:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 04:20:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-16 04:20:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-16 04:20:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 04:20:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 04:20:11,625 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-16 04:20:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-16 04:20:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-16 04:20:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-16 04:20:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-16 04:20:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-16 04:20:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-16 04:20:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-16 04:20:11,626 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-16 04:20:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-16 04:20:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-16 04:20:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-16 04:20:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-16 04:20:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-16 04:20:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-16 04:20:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-16 04:20:11,627 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-16 04:20:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-16 04:20:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-16 04:20:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-16 04:20:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-16 04:20:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-16 04:20:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-16 04:20:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-16 04:20:11,628 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-16 04:20:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-16 04:20:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-16 04:20:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-16 04:20:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-16 04:20:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-16 04:20:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-16 04:20:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-16 04:20:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-16 04:20:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-16 04:20:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-16 04:20:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-16 04:20:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-16 04:20:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-16 04:20:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:20:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:20:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-16 04:20:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-16 04:20:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-16 04:20:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 04:20:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 04:20:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-16 04:20:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-16 04:20:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:20:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-16 04:20:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-16 04:20:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-16 04:20:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-16 04:20:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:20:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:20:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-16 04:20:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-16 04:20:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:20:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:20:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-16 04:20:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-16 04:20:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-16 04:20:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-16 04:20:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 04:20:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 04:20:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-16 04:20:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-16 04:20:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-16 04:20:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-16 04:20:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-16 04:20:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-16 04:20:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-16 04:20:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-16 04:20:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-16 04:20:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-16 04:20:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-16 04:20:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-16 04:20:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-16 04:20:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-16 04:20:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-16 04:20:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-16 04:20:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2021-12-16 04:20:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2021-12-16 04:20:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-16 04:20:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-16 04:20:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-16 04:20:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-16 04:20:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-16 04:20:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-16 04:20:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2021-12-16 04:20:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2021-12-16 04:20:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-16 04:20:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-16 04:20:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-16 04:20:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-16 04:20:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-16 04:20:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-16 04:20:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-16 04:20:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-16 04:20:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-16 04:20:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-16 04:20:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-16 04:20:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-16 04:20:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-16 04:20:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-16 04:20:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-16 04:20:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-16 04:20:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-16 04:20:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-16 04:20:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-16 04:20:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-16 04:20:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-16 04:20:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-16 04:20:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-16 04:20:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-16 04:20:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-16 04:20:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-16 04:20:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-16 04:20:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-16 04:20:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-16 04:20:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 04:20:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 04:20:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:20:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-16 04:20:11,639 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-16 04:20:11,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-16 04:20:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-16 04:20:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-16 04:20:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-16 04:20:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-16 04:20:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-16 04:20:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-16 04:20:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:20:11,640 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-16 04:20:11,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-16 04:20:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-16 04:20:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-16 04:20:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-16 04:20:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-16 04:20:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-16 04:20:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-16 04:20:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-16 04:20:11,641 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-16 04:20:11,641 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-16 04:20:12,698 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:20:12,702 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:20:13,165 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:20:20,368 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:20:20,399 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:20:20,399 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:20:20,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:20:20 BoogieIcfgContainer [2021-12-16 04:20:20,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:20:20,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:20:20,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:20:20,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:20:20,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:20:07" (1/3) ... [2021-12-16 04:20:20,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384615ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:20:20, skipping insertion in model container [2021-12-16 04:20:20,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:20:10" (2/3) ... [2021-12-16 04:20:20,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384615ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:20:20, skipping insertion in model container [2021-12-16 04:20:20,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:20:20" (3/3) ... [2021-12-16 04:20:20,411 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-16 04:20:20,414 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:20:20,415 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:20:20,458 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:20:20,463 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:20:20,463 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:20:20,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 3883 states, 2503 states have (on average 1.2744706352377146) internal successors, (3190), 2589 states have internal predecessors, (3190), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) [2021-12-16 04:20:20,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-16 04:20:20,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:20:20,547 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:20:20,547 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:20:20,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:20:20,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1010070639, now seen corresponding path program 1 times [2021-12-16 04:20:20,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:20:20,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877090143] [2021-12-16 04:20:20,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:20:20,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:20:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:20:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:20:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:20:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:20:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:20:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:20:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:20:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:20:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:20:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:20:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:20:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:20:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:20:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:20:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:20:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:20:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:20:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-16 04:20:21,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:20:21,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877090143] [2021-12-16 04:20:21,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877090143] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:20:21,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:20:21,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:20:21,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313146462] [2021-12-16 04:20:21,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:20:21,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:20:21,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:20:21,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:20:21,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:20:21,660 INFO L87 Difference]: Start difference. First operand has 3883 states, 2503 states have (on average 1.2744706352377146) internal successors, (3190), 2589 states have internal predecessors, (3190), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:20:32,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:20:32,302 INFO L93 Difference]: Finished difference Result 8452 states and 12355 transitions. [2021-12-16 04:20:32,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:20:32,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2021-12-16 04:20:32,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:20:32,370 INFO L225 Difference]: With dead ends: 8452 [2021-12-16 04:20:32,370 INFO L226 Difference]: Without dead ends: 4553 [2021-12-16 04:20:32,408 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:20:32,412 INFO L933 BasicCegarLoop]: 4937 mSDtfsCounter, 4299 mSDsluCounter, 2175 mSDsCounter, 0 mSdLazyCounter, 2299 mSolverCounterSat, 5068 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4406 SdHoareTripleChecker+Valid, 7112 SdHoareTripleChecker+Invalid, 7367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5068 IncrementalHoareTripleChecker+Valid, 2299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:20:32,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4406 Valid, 7112 Invalid, 7367 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5068 Valid, 2299 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2021-12-16 04:20:32,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2021-12-16 04:20:32,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 3862. [2021-12-16 04:20:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 2490 states have (on average 1.2690763052208835) internal successors, (3160), 2568 states have internal predecessors, (3160), 1128 states have call successors, (1128), 244 states have call predecessors, (1128), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2021-12-16 04:20:32,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5410 transitions. [2021-12-16 04:20:32,677 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5410 transitions. Word has length 253 [2021-12-16 04:20:32,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:20:32,679 INFO L470 AbstractCegarLoop]: Abstraction has 3862 states and 5410 transitions. [2021-12-16 04:20:32,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:20:32,679 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5410 transitions. [2021-12-16 04:20:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-16 04:20:32,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:20:32,684 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:20:32,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:20:32,685 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:20:32,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:20:32,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1808246337, now seen corresponding path program 1 times [2021-12-16 04:20:32,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:20:32,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590367220] [2021-12-16 04:20:32,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:20:32,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:20:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:20:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:20:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:20:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:20:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:20:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:20:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:20:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:20:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:20:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:20:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:20:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:20:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:20:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:20:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:20:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:20:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:20:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:33,271 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-16 04:20:33,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:20:33,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590367220] [2021-12-16 04:20:33,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590367220] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:20:33,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:20:33,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:20:33,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738294718] [2021-12-16 04:20:33,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:20:33,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:20:33,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:20:33,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:20:33,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:20:33,277 INFO L87 Difference]: Start difference. First operand 3862 states and 5410 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:20:43,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:20:44,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:20:44,446 INFO L93 Difference]: Finished difference Result 4555 states and 6593 transitions. [2021-12-16 04:20:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:20:44,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2021-12-16 04:20:44,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:20:44,473 INFO L225 Difference]: With dead ends: 4555 [2021-12-16 04:20:44,473 INFO L226 Difference]: Without dead ends: 4552 [2021-12-16 04:20:44,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:20:44,477 INFO L933 BasicCegarLoop]: 4841 mSDtfsCounter, 8981 mSDsluCounter, 2161 mSDsCounter, 0 mSdLazyCounter, 2342 mSolverCounterSat, 6175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9612 SdHoareTripleChecker+Valid, 7002 SdHoareTripleChecker+Invalid, 8517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6175 IncrementalHoareTripleChecker+Valid, 2342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:20:44,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9612 Valid, 7002 Invalid, 8517 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6175 Valid, 2342 Invalid, 0 Unknown, 0 Unchecked, 10.8s Time] [2021-12-16 04:20:44,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4552 states. [2021-12-16 04:20:44,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4552 to 3861. [2021-12-16 04:20:44,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3861 states, 2490 states have (on average 1.2686746987951807) internal successors, (3159), 2567 states have internal predecessors, (3159), 1127 states have call successors, (1127), 244 states have call predecessors, (1127), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2021-12-16 04:20:44,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 3861 states and 5408 transitions. [2021-12-16 04:20:44,624 INFO L78 Accepts]: Start accepts. Automaton has 3861 states and 5408 transitions. Word has length 253 [2021-12-16 04:20:44,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:20:44,626 INFO L470 AbstractCegarLoop]: Abstraction has 3861 states and 5408 transitions. [2021-12-16 04:20:44,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:20:44,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3861 states and 5408 transitions. [2021-12-16 04:20:44,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-16 04:20:44,631 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:20:44,631 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:20:44,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:20:44,631 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:20:44,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:20:44,632 INFO L85 PathProgramCache]: Analyzing trace with hash -223027263, now seen corresponding path program 1 times [2021-12-16 04:20:44,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:20:44,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083559182] [2021-12-16 04:20:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:20:44,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:20:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:20:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:20:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:20:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:20:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:20:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:20:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:20:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:44,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:20:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:20:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:20:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:20:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:20:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:20:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:20:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:20:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:20:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:20:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:20:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:20:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:20:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-16 04:20:45,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:20:45,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083559182] [2021-12-16 04:20:45,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083559182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:20:45,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:20:45,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:20:45,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583393851] [2021-12-16 04:20:45,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:20:45,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:20:45,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:20:45,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:20:45,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:20:45,174 INFO L87 Difference]: Start difference. First operand 3861 states and 5408 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:20:48,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:20:49,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:21:00,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:21:02,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:21:03,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:21:03,249 INFO L93 Difference]: Finished difference Result 4554 states and 6591 transitions. [2021-12-16 04:21:03,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:21:03,249 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 254 [2021-12-16 04:21:03,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:21:03,269 INFO L225 Difference]: With dead ends: 4554 [2021-12-16 04:21:03,269 INFO L226 Difference]: Without dead ends: 4551 [2021-12-16 04:21:03,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-16 04:21:03,276 INFO L933 BasicCegarLoop]: 4835 mSDtfsCounter, 7808 mSDsluCounter, 3714 mSDsCounter, 0 mSdLazyCounter, 3668 mSolverCounterSat, 4576 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8444 SdHoareTripleChecker+Valid, 8549 SdHoareTripleChecker+Invalid, 8244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4576 IncrementalHoareTripleChecker+Valid, 3668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-12-16 04:21:03,277 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8444 Valid, 8549 Invalid, 8244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4576 Valid, 3668 Invalid, 0 Unknown, 0 Unchecked, 17.7s Time] [2021-12-16 04:21:03,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2021-12-16 04:21:03,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 3860. [2021-12-16 04:21:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 2490 states have (on average 1.2682730923694778) internal successors, (3158), 2566 states have internal predecessors, (3158), 1126 states have call successors, (1126), 244 states have call predecessors, (1126), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2021-12-16 04:21:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5406 transitions. [2021-12-16 04:21:03,416 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5406 transitions. Word has length 254 [2021-12-16 04:21:03,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:21:03,418 INFO L470 AbstractCegarLoop]: Abstraction has 3860 states and 5406 transitions. [2021-12-16 04:21:03,418 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-16 04:21:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5406 transitions. [2021-12-16 04:21:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-16 04:21:03,421 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:21:03,421 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:21:03,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:21:03,422 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:21:03,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:21:03,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1674128642, now seen corresponding path program 1 times [2021-12-16 04:21:03,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:21:03,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405067695] [2021-12-16 04:21:03,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:21:03,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:21:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:21:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:21:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:21:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:21:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:21:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:21:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:21:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:21:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:21:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:21:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:21:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:21:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:21:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:21:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:21:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:21:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:21:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:21:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-16 04:21:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 04:21:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-16 04:21:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-16 04:21:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 04:21:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:21:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-16 04:21:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-16 04:21:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:21:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:21:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-16 04:21:03,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:21:03,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405067695] [2021-12-16 04:21:03,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405067695] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:21:03,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:21:03,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:21:03,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158372123] [2021-12-16 04:21:03,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:21:03,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:21:03,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:21:03,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:21:03,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:21:03,876 INFO L87 Difference]: Start difference. First operand 3860 states and 5406 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)