./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-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-08_1a-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 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:57:42,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:57:42,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:57:42,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:57:42,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:57:42,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:57:42,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:57:42,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:57:42,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:57:42,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:57:42,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:57:42,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:57:42,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:57:42,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:57:42,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:57:42,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:57:42,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:57:42,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:57:42,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:57:42,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:57:42,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:57:42,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:57:42,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:57:42,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:57:42,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:57:42,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:57:42,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:57:42,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:57:42,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:57:42,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:57:42,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:57:42,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:57:42,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:57:42,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:57:42,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:57:42,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:57:42,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:57:42,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:57:42,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:57:42,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:57:42,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:57:42,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:57:42,969 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:57:42,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:57:42,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:57:42,972 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:57:42,973 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:57:42,973 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:57:42,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:57:42,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:57:42,975 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:57:42,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:57:42,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:57:42,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:57:42,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:57:42,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:57:42,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:57:42,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:57:42,977 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:57:42,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:57:42,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:57:42,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:57:42,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:57:42,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:57:42,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:57:42,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:57:42,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:57:42,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:57:42,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:57:42,979 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:57:42,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:57:42,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:57:42,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:57:42,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 [2021-12-14 17:57:43,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:57:43,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:57:43,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:57:43,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:57:43,262 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:57:43,263 INFO L432 ainManager$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-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-14 17:57:43,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/712db28bf/4d22a3c4ec994120a94ab293dd7026f5/FLAGa1f7b8cb3 [2021-12-14 17:57:44,034 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:57:44,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-14 17:57:44,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/712db28bf/4d22a3c4ec994120a94ab293dd7026f5/FLAGa1f7b8cb3 [2021-12-14 17:57:44,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/712db28bf/4d22a3c4ec994120a94ab293dd7026f5 [2021-12-14 17:57:44,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:57:44,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:57:44,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:57:44,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:57:44,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:57:44,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:57:44" (1/1) ... [2021-12-14 17:57:44,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee3839b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:44, skipping insertion in model container [2021-12-14 17:57:44,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:57:44" (1/1) ... [2021-12-14 17:57:44,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:57:44,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:57:47,871 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-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2021-12-14 17:57:47,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:57:47,999 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:57:48,406 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-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2021-12-14 17:57:48,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:57:48,643 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:57:48,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48 WrapperNode [2021-12-14 17:57:48,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:57:48,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:57:48,647 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:57:48,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:57:48,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:48,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:49,065 INFO L137 Inliner]: procedures = 595, calls = 3937, calls flagged for inlining = 264, calls inlined = 257, statements flattened = 9795 [2021-12-14 17:57:49,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:57:49,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:57:49,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:57:49,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:57:49,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:49,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:49,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:49,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:49,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:49,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:49,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:49,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:57:49,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:57:49,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:57:49,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:57:49,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (1/1) ... [2021-12-14 17:57:49,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:57:49,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:57:49,704 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) [2021-12-14 17:57:49,733 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 [2021-12-14 17:57:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-14 17:57:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-14 17:57:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-14 17:57:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-14 17:57:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 17:57:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 17:57:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-14 17:57:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-14 17:57:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-14 17:57:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-14 17:57:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-14 17:57:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-14 17:57:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-14 17:57:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-14 17:57:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-14 17:57:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-14 17:57:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-14 17:57:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-14 17:57:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-14 17:57:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-14 17:57:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-14 17:57:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 17:57:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 17:57:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-14 17:57:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-14 17:57:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-14 17:57:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-14 17:57:49,752 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-14 17:57:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-14 17:57:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-14 17:57:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-14 17:57:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-14 17:57:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-14 17:57:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-14 17:57:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-14 17:57:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:57:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:57:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-14 17:57:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-14 17:57:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-14 17:57:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-14 17:57:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-14 17:57:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-14 17:57:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-14 17:57:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-14 17:57:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-14 17:57:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-14 17:57:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-14 17:57:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-14 17:57:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-14 17:57:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-14 17:57:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-14 17:57:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-14 17:57:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-14 17:57:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-14 17:57:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-14 17:57:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-14 17:57:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-14 17:57:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-14 17:57:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-14 17:57:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 17:57:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 17:57:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-14 17:57:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-14 17:57:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-14 17:57:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-14 17:57:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-14 17:57:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-14 17:57:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-14 17:57:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-14 17:57:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-14 17:57:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-14 17:57:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-14 17:57:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-14 17:57:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:57:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:57:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-14 17:57:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-14 17:57:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-14 17:57:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-14 17:57:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-14 17:57:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-14 17:57:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-14 17:57:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-14 17:57:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-14 17:57:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-14 17:57:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-14 17:57:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-14 17:57:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-14 17:57:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-14 17:57:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-14 17:57:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-14 17:57:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-14 17:57:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 17:57:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 17:57:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 17:57:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 17:57:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-14 17:57:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-14 17:57:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:57:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-14 17:57:49,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-14 17:57:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-14 17:57:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-14 17:57:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:57:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:57:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-14 17:57:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-14 17:57:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-14 17:57:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-14 17:57:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-14 17:57:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-14 17:57:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-14 17:57:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-14 17:57:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:57:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-14 17:57:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-14 17:57:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-14 17:57:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-14 17:57:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:57:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:57:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-14 17:57:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-14 17:57:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-14 17:57:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-14 17:57:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:57:49,781 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-14 17:57:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-14 17:57:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-14 17:57:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-14 17:57:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-14 17:57:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-14 17:57:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-14 17:57:49,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-14 17:57:49,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:57:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-14 17:57:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-14 17:57:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-14 17:57:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-14 17:57:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:57:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:57:49,783 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-14 17:57:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-14 17:57:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-14 17:57:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-14 17:57:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-14 17:57:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-14 17:57:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-14 17:57:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-14 17:57:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-14 17:57:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-14 17:57:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-14 17:57:49,785 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-14 17:57:49,785 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 17:57:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 17:57:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-14 17:57:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-14 17:57:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-14 17:57:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-14 17:57:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2021-12-14 17:57:49,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2021-12-14 17:57:49,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 17:57:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 17:57:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-14 17:57:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-14 17:57:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-14 17:57:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-14 17:57:49,787 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-14 17:57:49,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-14 17:57:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:57:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-14 17:57:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-14 17:57:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-14 17:57:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-14 17:57:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 17:57:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 17:57:49,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:57:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-14 17:57:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-14 17:57:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-14 17:57:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-14 17:57:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-14 17:57:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-14 17:57:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:57:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:57:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 17:57:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-14 17:57:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-14 17:57:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-14 17:57:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-14 17:57:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-14 17:57:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-14 17:57:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-14 17:57:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-14 17:57:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-14 17:57:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-14 17:57:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-14 17:57:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-14 17:57:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-14 17:57:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-14 17:57:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-14 17:57:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-14 17:57:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 17:57:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 17:57:49,792 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-14 17:57:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-14 17:57:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-14 17:57:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-14 17:57:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 17:57:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 17:57:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-14 17:57:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-14 17:57:49,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-14 17:57:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-14 17:57:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-14 17:57:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-14 17:57:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-14 17:57:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-14 17:57:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-14 17:57:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-14 17:57:49,794 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-14 17:57:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-14 17:57:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-14 17:57:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-14 17:57:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 17:57:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 17:57:49,795 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 17:57:49,795 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 17:57:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-14 17:57:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-14 17:57:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-14 17:57:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-14 17:57:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-14 17:57:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-14 17:57:49,796 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-14 17:57:49,796 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-14 17:57:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 17:57:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 17:57:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-14 17:57:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-14 17:57:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:57:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:57:49,797 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-14 17:57:49,798 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-14 17:57:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 17:57:49,801 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 17:57:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_11 [2021-12-14 17:57:49,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_11 [2021-12-14 17:57:49,801 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-14 17:57:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-14 17:57:49,802 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-14 17:57:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-14 17:57:49,802 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-14 17:57:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-14 17:57:49,803 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-14 17:57:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-14 17:57:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-14 17:57:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-14 17:57:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-14 17:57:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-14 17:57:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:57:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:57:49,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 17:57:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 17:57:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-14 17:57:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-14 17:57:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-14 17:57:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-14 17:57:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-14 17:57:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-14 17:57:49,805 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-14 17:57:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-14 17:57:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-14 17:57:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-14 17:57:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-14 17:57:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-14 17:57:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-14 17:57:49,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-14 17:57:49,806 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-14 17:57:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-14 17:57:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-12-14 17:57:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-12-14 17:57:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-14 17:57:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-14 17:57:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-14 17:57:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-14 17:57:49,807 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-14 17:57:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-14 17:57:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-14 17:57:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-14 17:57:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:57:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:57:49,808 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-14 17:57:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-14 17:57:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:57:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:57:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-14 17:57:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-14 17:57:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-14 17:57:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-14 17:57:49,809 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 17:57:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 17:57:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:57:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:57:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-14 17:57:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-14 17:57:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 17:57:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 17:57:49,810 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-14 17:57:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-14 17:57:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-14 17:57:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-14 17:57:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-14 17:57:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-14 17:57:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-14 17:57:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-14 17:57:49,811 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 17:57:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 17:57:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-14 17:57:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-14 17:57:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-14 17:57:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-14 17:57:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-14 17:57:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-14 17:57:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-14 17:57:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-14 17:57:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 17:57:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 17:57:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:57:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:57:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:57:49,813 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-14 17:57:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-14 17:57:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-14 17:57:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-14 17:57:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:57:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-14 17:57:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-14 17:57:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-14 17:57:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-14 17:57:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-14 17:57:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-14 17:57:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-14 17:57:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-14 17:57:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-14 17:57:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-14 17:57:49,815 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-14 17:57:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-14 17:57:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-14 17:57:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-14 17:57:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-14 17:57:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-14 17:57:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:57:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-14 17:57:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-14 17:57:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-14 17:57:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-14 17:57:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 17:57:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 17:57:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 17:57:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 17:57:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 17:57:49,817 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 17:57:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-14 17:57:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-14 17:57:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 17:57:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 17:57:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 17:57:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 17:57:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-14 17:57:49,818 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-14 17:57:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-14 17:57:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-14 17:57:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-14 17:57:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-14 17:57:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 17:57:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 17:57:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-14 17:57:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-14 17:57:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-14 17:57:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-14 17:57:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-14 17:57:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-14 17:57:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-14 17:57:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-14 17:57:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-14 17:57:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-14 17:57:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 17:57:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 17:57:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-14 17:57:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-14 17:57:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-14 17:57:49,821 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-14 17:57:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-14 17:57:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-14 17:57:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-14 17:57:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-14 17:57:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-14 17:57:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-14 17:57:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-14 17:57:49,822 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-14 17:57:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-14 17:57:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-14 17:57:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-14 17:57:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-14 17:57:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-14 17:57:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-14 17:57:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 17:57:49,823 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 17:57:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-14 17:57:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-14 17:57:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-14 17:57:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:57:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:57:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-14 17:57:49,824 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-14 17:57:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:57:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-14 17:57:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-14 17:57:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-14 17:57:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-14 17:57:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:57:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:57:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-14 17:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-14 17:57:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 17:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 17:57:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-14 17:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-14 17:57:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-14 17:57:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-14 17:57:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 17:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 17:57:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-14 17:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-14 17:57:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-14 17:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-14 17:57:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-14 17:57:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-14 17:57:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-14 17:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-14 17:57:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-14 17:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-14 17:57:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-14 17:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-14 17:57:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-14 17:57:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-14 17:57:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-14 17:57:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-14 17:57:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 17:57:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 17:57:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-14 17:57:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-14 17:57:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-14 17:57:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-14 17:57:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 17:57:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 17:57:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-14 17:57:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-14 17:57:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-14 17:57:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-14 17:57:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-14 17:57:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-14 17:57:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-14 17:57:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-14 17:57:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-14 17:57:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-14 17:57:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-14 17:57:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-14 17:57:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-14 17:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-14 17:57:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-14 17:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-14 17:57:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-14 17:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-14 17:57:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-14 17:57:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-14 17:57:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-14 17:57:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-14 17:57:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-14 17:57:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-14 17:57:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-14 17:57:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-14 17:57:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-14 17:57:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:57:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:57:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 17:57:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-14 17:57:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-14 17:57:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-14 17:57:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-14 17:57:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-14 17:57:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-14 17:57:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-14 17:57:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-14 17:57:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:57:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-14 17:57:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-14 17:57:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-14 17:57:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-14 17:57:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-14 17:57:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-14 17:57:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 17:57:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-14 17:57:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-14 17:57:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-14 17:57:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-14 17:57:51,106 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:57:51,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:57:51,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 17:57:59,812 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:57:59,839 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:57:59,839 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:57:59,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:59 BoogieIcfgContainer [2021-12-14 17:57:59,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:57:59,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:57:59,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:57:59,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:57:59,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:57:44" (1/3) ... [2021-12-14 17:57:59,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc0058b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:59, skipping insertion in model container [2021-12-14 17:57:59,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:57:48" (2/3) ... [2021-12-14 17:57:59,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc0058b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:57:59, skipping insertion in model container [2021-12-14 17:57:59,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:57:59" (3/3) ... [2021-12-14 17:57:59,852 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-14 17:57:59,856 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:57:59,856 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:57:59,911 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:57:59,926 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 [2021-12-14 17:57:59,927 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:58:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 3864 states, 2495 states have (on average 1.2749498997995992) internal successors, (3181), 2578 states have internal predecessors, (3181), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) [2021-12-14 17:58:00,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-14 17:58:00,102 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:58:00,103 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] [2021-12-14 17:58:00,104 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:58:00,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:58:00,111 INFO L85 PathProgramCache]: Analyzing trace with hash -901261265, now seen corresponding path program 1 times [2021-12-14 17:58:00,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:58:00,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292256290] [2021-12-14 17:58:00,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:58:00,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:58:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:58:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:58:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:58:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:58:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:58:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:58:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:58:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:00,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 17:58:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 17:58:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 17:58:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 17:58:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 17:58:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 17:58:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 17:58:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 17:58:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 17:58:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 17:58:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-14 17:58:01,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:58:01,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292256290] [2021-12-14 17:58:01,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292256290] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:58:01,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:58:01,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 17:58:01,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167508961] [2021-12-14 17:58:01,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:58:01,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 17:58:01,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:58:01,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 17:58:01,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 17:58:01,323 INFO L87 Difference]: Start difference. First operand has 3864 states, 2495 states have (on average 1.2749498997995992) internal successors, (3181), 2578 states have internal predecessors, (3181), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) 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) [2021-12-14 17:58:12,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:58:13,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:58:13,565 INFO L93 Difference]: Finished difference Result 8414 states and 12295 transitions. [2021-12-14 17:58:13,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 17:58:13,567 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 [2021-12-14 17:58:13,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:58:13,624 INFO L225 Difference]: With dead ends: 8414 [2021-12-14 17:58:13,624 INFO L226 Difference]: Without dead ends: 4534 [2021-12-14 17:58:13,656 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 [2021-12-14 17:58:13,659 INFO L933 BasicCegarLoop]: 4915 mSDtfsCounter, 4316 mSDsluCounter, 2152 mSDsCounter, 0 mSdLazyCounter, 2293 mSolverCounterSat, 5019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4423 SdHoareTripleChecker+Valid, 7067 SdHoareTripleChecker+Invalid, 7312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5019 IncrementalHoareTripleChecker+Valid, 2293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2021-12-14 17:58:13,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4423 Valid, 7067 Invalid, 7312 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5019 Valid, 2293 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2021-12-14 17:58:13,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2021-12-14 17:58:13,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 3843. [2021-12-14 17:58:13,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3843 states, 2482 states have (on average 1.2695406929895245) internal successors, (3151), 2557 states have internal predecessors, (3151), 1118 states have call successors, (1118), 243 states have call predecessors, (1118), 242 states have return successors, (1116), 1087 states have call predecessors, (1116), 1116 states have call successors, (1116) [2021-12-14 17:58:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 5385 transitions. [2021-12-14 17:58:14,002 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 5385 transitions. Word has length 253 [2021-12-14 17:58:14,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:58:14,004 INFO L470 AbstractCegarLoop]: Abstraction has 3843 states and 5385 transitions. [2021-12-14 17:58:14,004 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) [2021-12-14 17:58:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 5385 transitions. [2021-12-14 17:58:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-14 17:58:14,015 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:58:14,015 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] [2021-12-14 17:58:14,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:58:14,016 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:58:14,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:58:14,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1699436963, now seen corresponding path program 1 times [2021-12-14 17:58:14,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:58:14,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338018591] [2021-12-14 17:58:14,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:58:14,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:58:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:58:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:58:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:58:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:58:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:58:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:58:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:58:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 17:58:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 17:58:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 17:58:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 17:58:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 17:58:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 17:58:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 17:58:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 17:58:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 17:58:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 17:58:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-14 17:58:14,699 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:58:14,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338018591] [2021-12-14 17:58:14,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338018591] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:58:14,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:58:14,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:58:14,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923643990] [2021-12-14 17:58:14,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:58:14,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:58:14,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:58:14,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:58:14,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:58:14,704 INFO L87 Difference]: Start difference. First operand 3843 states and 5385 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) [2021-12-14 17:58:31,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:58:31,913 INFO L93 Difference]: Finished difference Result 12831 states and 18518 transitions. [2021-12-14 17:58:31,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 17:58:31,914 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 [2021-12-14 17:58:31,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:58:31,974 INFO L225 Difference]: With dead ends: 12831 [2021-12-14 17:58:31,975 INFO L226 Difference]: Without dead ends: 9021 [2021-12-14 17:58:32,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:58:32,004 INFO L933 BasicCegarLoop]: 6150 mSDtfsCounter, 13137 mSDsluCounter, 6790 mSDsCounter, 0 mSdLazyCounter, 5138 mSolverCounterSat, 10739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13848 SdHoareTripleChecker+Valid, 12940 SdHoareTripleChecker+Invalid, 15877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10739 IncrementalHoareTripleChecker+Valid, 5138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2021-12-14 17:58:32,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13848 Valid, 12940 Invalid, 15877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10739 Valid, 5138 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time] [2021-12-14 17:58:32,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2021-12-14 17:58:32,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 7636. [2021-12-14 17:58:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7636 states, 4935 states have (on average 1.2705167173252279) internal successors, (6270), 5084 states have internal predecessors, (6270), 2216 states have call successors, (2216), 485 states have call predecessors, (2216), 484 states have return successors, (2216), 2156 states have call predecessors, (2216), 2214 states have call successors, (2216) [2021-12-14 17:58:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7636 states to 7636 states and 10702 transitions. [2021-12-14 17:58:32,424 INFO L78 Accepts]: Start accepts. Automaton has 7636 states and 10702 transitions. Word has length 253 [2021-12-14 17:58:32,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:58:32,427 INFO L470 AbstractCegarLoop]: Abstraction has 7636 states and 10702 transitions. [2021-12-14 17:58:32,428 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) [2021-12-14 17:58:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 7636 states and 10702 transitions. [2021-12-14 17:58:32,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2021-12-14 17:58:32,441 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:58:32,442 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:58:32,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:58:32,442 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:58:32,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:58:32,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1091692974, now seen corresponding path program 1 times [2021-12-14 17:58:32,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:58:32,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439247319] [2021-12-14 17:58:32,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:58:32,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:58:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:58:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 17:58:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 17:58:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 17:58:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 17:58:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 17:58:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 17:58:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 17:58:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 17:58:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 17:58:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 17:58:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 17:58:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 17:58:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 17:58:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 17:58:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 17:58:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 17:58:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:32,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-14 17:58:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 17:58:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:58:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-14 17:58:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:58:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:58:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-14 17:58:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-14 17:58:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:58:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-12-14 17:58:33,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:58:33,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439247319] [2021-12-14 17:58:33,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439247319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:58:33,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:58:33,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-14 17:58:33,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287268621] [2021-12-14 17:58:33,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:58:33,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-14 17:58:33,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:58:33,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-14 17:58:33,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-12-14 17:58:33,206 INFO L87 Difference]: Start difference. First operand 7636 states and 10702 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29)