./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-43_2a-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-43_2a-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 1742c34f7a214b263d92b02d9484c07ad1ab106a7adf554dae38d13e5f5f8336 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:14:42,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:14:42,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:14:42,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:14:42,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:14:42,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:14:42,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:14:42,878 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:14:42,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:14:42,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:14:42,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:14:42,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:14:42,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:14:42,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:14:42,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:14:42,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:14:42,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:14:42,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:14:42,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:14:42,899 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:14:42,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:14:42,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:14:42,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:14:42,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:14:42,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:14:42,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:14:42,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:14:42,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:14:42,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:14:42,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:14:42,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:14:42,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:14:42,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:14:42,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:14:42,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:14:42,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:14:42,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:14:42,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:14:42,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:14:42,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:14:42,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:14:42,914 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:14:42,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:14:42,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:14:42,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:14:42,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:14:42,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:14:42,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:14:42,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:14:42,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:14:42,959 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:14:42,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:14:42,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:14:42,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:14:42,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:14:42,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:14:42,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:14:42,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:14:42,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:14:42,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:14:42,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:14:42,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:14:42,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:14:42,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:14:42,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:14:42,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:14:42,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:14:42,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:14:42,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:14:42,976 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:14:42,976 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:14:42,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:14:42,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:14:42,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1742c34f7a214b263d92b02d9484c07ad1ab106a7adf554dae38d13e5f5f8336 [2021-12-14 18:14:43,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:14:43,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:14:43,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:14:43,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:14:43,199 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:14:43,199 INFO L432 ainManager$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-43_2a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-14 18:14:43,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb9ae58c/da80e3598d8d4afa863bc64e0867b8cd/FLAG0958fb13f [2021-12-14 18:14:43,900 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:14:43,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-14 18:14:43,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb9ae58c/da80e3598d8d4afa863bc64e0867b8cd/FLAG0958fb13f [2021-12-14 18:14:44,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb9ae58c/da80e3598d8d4afa863bc64e0867b8cd [2021-12-14 18:14:44,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:14:44,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:14:44,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:14:44,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:14:44,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:14:44,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:44" (1/1) ... [2021-12-14 18:14:44,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6265b6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:44, skipping insertion in model container [2021-12-14 18:14:44,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:44" (1/1) ... [2021-12-14 18:14:44,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:14:44,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:14:46,760 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-43_2a-drivers--md--dm-cache.ko-entry_point.cil.out.i[374730,374743] [2021-12-14 18:14:46,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:14:46,846 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:14:47,139 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-43_2a-drivers--md--dm-cache.ko-entry_point.cil.out.i[374730,374743] [2021-12-14 18:14:47,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:14:47,296 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:14:47,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47 WrapperNode [2021-12-14 18:14:47,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:14:47,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:14:47,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:14:47,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:14:47,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,623 INFO L137 Inliner]: procedures = 598, calls = 3919, calls flagged for inlining = 265, calls inlined = 256, statements flattened = 9657 [2021-12-14 18:14:47,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:14:47,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:14:47,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:14:47,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:14:47,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:14:47,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:14:47,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:14:47,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:14:47,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (1/1) ... [2021-12-14 18:14:47,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:14:47,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:14:47,963 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 18:14:47,978 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 18:14:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-14 18:14:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-14 18:14:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-14 18:14:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-14 18:14:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 18:14:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 18:14:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-14 18:14:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-14 18:14:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-14 18:14:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-14 18:14:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-14 18:14:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-14 18:14:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-14 18:14:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-14 18:14:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-14 18:14:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-14 18:14:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-14 18:14:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-14 18:14:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-14 18:14:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-14 18:14:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-14 18:14:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:14:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:14:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-14 18:14:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-14 18:14:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-14 18:14:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-14 18:14:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-14 18:14:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-14 18:14:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-14 18:14:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-14 18:14:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-14 18:14:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-14 18:14:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:14:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:14:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-14 18:14:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-14 18:14:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:14:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:14:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-14 18:14:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-14 18:14:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-14 18:14:47,992 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-14 18:14:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-14 18:14:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-14 18:14:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-14 18:14:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-14 18:14:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-14 18:14:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-14 18:14:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-14 18:14:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-14 18:14:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-14 18:14:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-14 18:14:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-14 18:14:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-14 18:14:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-14 18:14:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-14 18:14:47,994 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-14 18:14:47,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-14 18:14:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-14 18:14:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-14 18:14:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-14 18:14:47,995 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:14:47,995 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:14:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-14 18:14:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-14 18:14:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-14 18:14:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-14 18:14:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-14 18:14:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-14 18:14:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-14 18:14:47,996 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-14 18:14:47,996 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-14 18:14:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-14 18:14:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-14 18:14:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-14 18:14:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:14:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:14:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-14 18:14:47,997 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-14 18:14:47,997 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-14 18:14:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-14 18:14:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-14 18:14:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-14 18:14:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-14 18:14:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-14 18:14:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-14 18:14:47,998 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-14 18:14:47,998 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-14 18:14:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-14 18:14:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-14 18:14:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-14 18:14:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-14 18:14:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-14 18:14:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-14 18:14:47,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:14:47,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:14:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 18:14:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 18:14:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-14 18:14:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-14 18:14:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:14:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-14 18:14:48,000 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-14 18:14:48,000 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-14 18:14:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-14 18:14:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:14:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:14:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-14 18:14:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-14 18:14:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-14 18:14:48,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-14 18:14:48,001 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-14 18:14:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-14 18:14:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-14 18:14:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-14 18:14:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:14:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-14 18:14:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-14 18:14:48,002 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-14 18:14:48,002 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-14 18:14:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:14:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:14:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-14 18:14:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-14 18:14:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-14 18:14:48,003 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-14 18:14:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:14:48,003 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-14 18:14:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-14 18:14:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-14 18:14:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-14 18:14:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-14 18:14:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-14 18:14:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-14 18:14:48,004 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-14 18:14:48,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:14:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-14 18:14:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-14 18:14:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-14 18:14:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-14 18:14:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:14:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:14:48,005 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-14 18:14:48,005 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-14 18:14:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-14 18:14:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-14 18:14:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:14:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:14:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-14 18:14:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-14 18:14:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-14 18:14:48,006 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-14 18:14:48,006 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-14 18:14:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-14 18:14:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-14 18:14:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-14 18:14:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:14:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:14:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-14 18:14:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-14 18:14:48,007 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-14 18:14:48,007 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-14 18:14:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:14:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:14:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-14 18:14:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-14 18:14:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-14 18:14:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-14 18:14:48,008 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-14 18:14:48,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-14 18:14:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:14:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-14 18:14:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-14 18:14:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-14 18:14:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-14 18:14:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-14 18:14:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:14:48,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:14:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:14:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-14 18:14:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-14 18:14:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-14 18:14:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-14 18:14:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-14 18:14:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-14 18:14:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:14:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:14:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:14:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-14 18:14:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-14 18:14:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-14 18:14:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-14 18:14:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-14 18:14:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-14 18:14:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-14 18:14:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-14 18:14:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-14 18:14:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-14 18:14:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-14 18:14:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-14 18:14:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-14 18:14:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-14 18:14:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-14 18:14:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-14 18:14:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:14:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:14:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-14 18:14:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-14 18:14:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-14 18:14:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-14 18:14:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:14:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:14:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-14 18:14:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-14 18:14:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-14 18:14:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-14 18:14:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-14 18:14:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-14 18:14:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-14 18:14:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-14 18:14:48,014 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-14 18:14:48,014 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-14 18:14:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-14 18:14:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-14 18:14:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-14 18:14:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-14 18:14:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:14:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:14:48,015 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:14:48,015 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-14 18:14:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-14 18:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-14 18:14:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-14 18:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-14 18:14:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-14 18:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-14 18:14:48,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-14 18:14:48,016 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 18:14:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 18:14:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-14 18:14:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-14 18:14:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:14:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:14:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-14 18:14:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-14 18:14:48,017 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:14:48,017 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:14:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-14 18:14:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-14 18:14:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-14 18:14:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-14 18:14:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-14 18:14:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-14 18:14:48,018 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-14 18:14:48,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-14 18:14:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-14 18:14:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-14 18:14:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-14 18:14:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-14 18:14:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:14:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:14:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:14:48,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:14:48,019 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-14 18:14:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-14 18:14:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-14 18:14:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-14 18:14:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-14 18:14:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-14 18:14:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-14 18:14:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-14 18:14:48,020 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-14 18:14:48,020 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-14 18:14:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-14 18:14:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-14 18:14:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-14 18:14:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-14 18:14:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-14 18:14:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-14 18:14:48,021 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-14 18:14:48,021 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-14 18:14:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-14 18:14:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-14 18:14:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-14 18:14:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-14 18:14:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-14 18:14:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-14 18:14:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:14:48,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:14:48,022 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-14 18:14:48,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-14 18:14:48,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:14:48,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:14:48,023 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-14 18:14:48,023 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-14 18:14:48,023 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-14 18:14:48,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-14 18:14:48,023 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 18:14:48,023 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 18:14:48,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:14:48,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:14:48,024 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-14 18:14:48,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-14 18:14:48,024 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:14:48,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:14:48,024 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-14 18:14:48,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-14 18:14:48,024 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-14 18:14:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-14 18:14:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-14 18:14:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-14 18:14:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-14 18:14:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-14 18:14:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 18:14:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 18:14:48,025 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-14 18:14:48,025 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-14 18:14:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-14 18:14:48,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-14 18:14:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-14 18:14:48,026 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-14 18:14:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-14 18:14:48,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-14 18:14:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:14:48,026 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:14:48,026 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:14:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-14 18:14:48,027 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-14 18:14:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-14 18:14:48,027 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-14 18:14:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:14:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-14 18:14:48,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-14 18:14:48,027 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-14 18:14:48,027 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-14 18:14:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_32 [2021-12-14 18:14:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_32 [2021-12-14 18:14:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:14:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:14:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-14 18:14:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-14 18:14:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-14 18:14:48,028 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-14 18:14:48,028 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-14 18:14:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-14 18:14:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-14 18:14:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-14 18:14:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-14 18:14:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-14 18:14:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-14 18:14:48,029 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-14 18:14:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:14:48,029 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-14 18:14:48,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-14 18:14:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_31 [2021-12-14 18:14:48,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_31 [2021-12-14 18:14:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-14 18:14:48,030 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-14 18:14:48,030 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:14:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:14:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-14 18:14:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-14 18:14:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-14 18:14:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-14 18:14:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:14:48,031 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:14:48,031 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:14:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:14:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-14 18:14:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-14 18:14:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-14 18:14:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-14 18:14:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-14 18:14:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-14 18:14:48,032 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 18:14:48,032 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 18:14:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:14:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:14:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-14 18:14:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-14 18:14:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-14 18:14:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-14 18:14:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-14 18:14:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-14 18:14:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-14 18:14:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-14 18:14:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-14 18:14:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-14 18:14:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:14:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:14:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-14 18:14:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-14 18:14:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-14 18:14:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-14 18:14:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-14 18:14:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-14 18:14:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-14 18:14:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-14 18:14:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-14 18:14:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-14 18:14:48,035 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-14 18:14:48,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-14 18:14:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-14 18:14:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-14 18:14:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-14 18:14:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-14 18:14:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-14 18:14:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-14 18:14:48,036 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-14 18:14:48,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-14 18:14:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:14:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:14:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-14 18:14:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-14 18:14:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-14 18:14:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:14:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:14:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-14 18:14:48,037 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-14 18:14:48,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:14:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-14 18:14:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-14 18:14:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-14 18:14:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-14 18:14:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:14:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:14:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-14 18:14:48,038 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-14 18:14:48,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:14:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:14:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-14 18:14:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-14 18:14:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-14 18:14:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-14 18:14:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 18:14:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 18:14:48,039 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-14 18:14:48,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-14 18:14:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-14 18:14:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-14 18:14:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-14 18:14:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-14 18:14:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-14 18:14:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-14 18:14:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-14 18:14:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-14 18:14:48,040 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-14 18:14:48,040 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-14 18:14:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-14 18:14:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-14 18:14:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-14 18:14:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-14 18:14:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 18:14:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 18:14:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-14 18:14:48,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-14 18:14:48,041 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-14 18:14:48,042 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-14 18:14:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:14:48,042 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:14:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-14 18:14:48,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-14 18:14:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-14 18:14:48,042 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-14 18:14:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-14 18:14:48,042 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-14 18:14:48,042 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-14 18:14:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-14 18:14:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-14 18:14:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-14 18:14:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-14 18:14:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-14 18:14:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-14 18:14:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-14 18:14:48,043 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-14 18:14:48,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-14 18:14:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-14 18:14:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-14 18:14:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-14 18:14:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-14 18:14:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-14 18:14:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-14 18:14:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-14 18:14:48,044 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-14 18:14:48,044 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-14 18:14:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-14 18:14:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-14 18:14:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:14:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:14:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-14 18:14:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-14 18:14:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-14 18:14:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-14 18:14:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-14 18:14:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-14 18:14:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-14 18:14:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-14 18:14:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:14:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-14 18:14:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-14 18:14:48,046 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-14 18:14:48,046 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-14 18:14:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-14 18:14:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-14 18:14:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-14 18:14:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-14 18:14:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-14 18:14:48,047 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-14 18:14:48,047 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-14 18:14:49,070 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:14:49,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:14:49,586 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:14:56,219 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:14:56,242 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:14:56,242 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:14:56,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:56 BoogieIcfgContainer [2021-12-14 18:14:56,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:14:56,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:14:56,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:14:56,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:14:56,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:14:44" (1/3) ... [2021-12-14 18:14:56,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c22bafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:14:56, skipping insertion in model container [2021-12-14 18:14:56,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:47" (2/3) ... [2021-12-14 18:14:56,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c22bafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:14:56, skipping insertion in model container [2021-12-14 18:14:56,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:56" (3/3) ... [2021-12-14 18:14:56,252 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-14 18:14:56,259 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:14:56,259 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:14:56,304 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:14:56,312 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 18:14:56,312 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:14:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 3809 states, 2456 states have (on average 1.2780944625407167) internal successors, (3139), 2539 states have internal predecessors, (3139), 1106 states have call successors, (1106), 246 states have call predecessors, (1106), 245 states have return successors, (1100), 1071 states have call predecessors, (1100), 1100 states have call successors, (1100) [2021-12-14 18:14:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-14 18:14:56,388 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:14:56,389 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] [2021-12-14 18:14:56,390 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:14:56,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:14:56,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1185914512, now seen corresponding path program 1 times [2021-12-14 18:14:56,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:14:56,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626236019] [2021-12-14 18:14:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:14:56,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:14:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:14:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:14:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:14:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:14:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:14:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:14:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:14:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:14:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:14:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:14:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:14:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:14:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:14:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:14:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:14:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:14:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:14:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:14:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:14:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:14:57,192 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 18:14:57,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:14:57,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626236019] [2021-12-14 18:14:57,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626236019] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:14:57,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:14:57,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:14:57,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713836672] [2021-12-14 18:14:57,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:14:57,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:14:57,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:14:57,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:14:57,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:14:57,222 INFO L87 Difference]: Start difference. First operand has 3809 states, 2456 states have (on average 1.2780944625407167) internal successors, (3139), 2539 states have internal predecessors, (3139), 1106 states have call successors, (1106), 246 states have call predecessors, (1106), 245 states have return successors, (1100), 1071 states have call predecessors, (1100), 1100 states have call successors, (1100) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:15:11,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:14,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:15,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:15:15,905 INFO L93 Difference]: Finished difference Result 8292 states and 12120 transitions. [2021-12-14 18:15:15,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 18:15:15,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 249 [2021-12-14 18:15:15,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:15:15,958 INFO L225 Difference]: With dead ends: 8292 [2021-12-14 18:15:15,959 INFO L226 Difference]: Without dead ends: 4462 [2021-12-14 18:15:15,978 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 18:15:15,980 INFO L933 BasicCegarLoop]: 4804 mSDtfsCounter, 2726 mSDsluCounter, 5400 mSDsCounter, 0 mSdLazyCounter, 4832 mSolverCounterSat, 3201 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2832 SdHoareTripleChecker+Valid, 10204 SdHoareTripleChecker+Invalid, 8034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3201 IncrementalHoareTripleChecker+Valid, 4832 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:15:15,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2832 Valid, 10204 Invalid, 8034 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3201 Valid, 4832 Invalid, 1 Unknown, 0 Unchecked, 18.2s Time] [2021-12-14 18:15:15,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4462 states. [2021-12-14 18:15:16,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4462 to 3783. [2021-12-14 18:15:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3783 states, 2439 states have (on average 1.2726527265272654) internal successors, (3104), 2514 states have internal predecessors, (3104), 1099 states have call successors, (1099), 245 states have call predecessors, (1099), 244 states have return successors, (1097), 1068 states have call predecessors, (1097), 1097 states have call successors, (1097) [2021-12-14 18:15:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5300 transitions. [2021-12-14 18:15:16,159 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5300 transitions. Word has length 249 [2021-12-14 18:15:16,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:15:16,160 INFO L470 AbstractCegarLoop]: Abstraction has 3783 states and 5300 transitions. [2021-12-14 18:15:16,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-14 18:15:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5300 transitions. [2021-12-14 18:15:16,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-14 18:15:16,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:15:16,168 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] [2021-12-14 18:15:16,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:15:16,168 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:15:16,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:15:16,169 INFO L85 PathProgramCache]: Analyzing trace with hash -221808994, now seen corresponding path program 1 times [2021-12-14 18:15:16,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:15:16,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056003626] [2021-12-14 18:15:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:15:16,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:15:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:15:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:15:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:15:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:15:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:15:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:15:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:15:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:15:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:15:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:15:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:15:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:15:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:15:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:15:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:15:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:15:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:15:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:16,606 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 18:15:16,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:15:16,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056003626] [2021-12-14 18:15:16,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056003626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:15:16,607 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:15:16,607 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:15:16,607 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838128667] [2021-12-14 18:15:16,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:15:16,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:15:16,608 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:15:16,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:15:16,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:15:16,609 INFO L87 Difference]: Start difference. First operand 3783 states and 5300 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-14 18:15:34,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:36,128 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:38,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:15:38,389 INFO L93 Difference]: Finished difference Result 11473 states and 16317 transitions. [2021-12-14 18:15:38,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:15:38,390 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 249 [2021-12-14 18:15:38,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:15:38,427 INFO L225 Difference]: With dead ends: 11473 [2021-12-14 18:15:38,428 INFO L226 Difference]: Without dead ends: 7729 [2021-12-14 18:15:38,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-14 18:15:38,445 INFO L933 BasicCegarLoop]: 6051 mSDtfsCounter, 8391 mSDsluCounter, 8489 mSDsCounter, 0 mSdLazyCounter, 6853 mSolverCounterSat, 6429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8885 SdHoareTripleChecker+Valid, 14540 SdHoareTripleChecker+Invalid, 13282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6429 IncrementalHoareTripleChecker+Valid, 6853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:15:38,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8885 Valid, 14540 Invalid, 13282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6429 Valid, 6853 Invalid, 0 Unknown, 0 Unchecked, 21.1s Time] [2021-12-14 18:15:38,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7729 states. [2021-12-14 18:15:38,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7729 to 6436. [2021-12-14 18:15:38,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6436 states, 4122 states have (on average 1.2612809315866085) internal successors, (5199), 4268 states have internal predecessors, (5199), 1857 states have call successors, (1857), 457 states have call predecessors, (1857), 456 states have return successors, (1855), 1797 states have call predecessors, (1855), 1855 states have call successors, (1855) [2021-12-14 18:15:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6436 states to 6436 states and 8911 transitions. [2021-12-14 18:15:38,734 INFO L78 Accepts]: Start accepts. Automaton has 6436 states and 8911 transitions. Word has length 249 [2021-12-14 18:15:38,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:15:38,736 INFO L470 AbstractCegarLoop]: Abstraction has 6436 states and 8911 transitions. [2021-12-14 18:15:38,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-14 18:15:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6436 states and 8911 transitions. [2021-12-14 18:15:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-14 18:15:38,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:15:38,743 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2021-12-14 18:15:38,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:15:38,744 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:15:38,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:15:38,744 INFO L85 PathProgramCache]: Analyzing trace with hash 44032154, now seen corresponding path program 1 times [2021-12-14 18:15:38,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:15:38,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310090014] [2021-12-14 18:15:38,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:15:38,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:15:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:15:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:38,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:38,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:15:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:15:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:15:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:15:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:15:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:15:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:15:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:15:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-14 18:15:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-14 18:15:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-14 18:15:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-14 18:15:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-14 18:15:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:15:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-14 18:15:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:15:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-14 18:15:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:15:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-14 18:15:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:39,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-12-14 18:15:39,295 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:15:39,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310090014] [2021-12-14 18:15:39,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310090014] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:15:39,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:15:39,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-14 18:15:39,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853084722] [2021-12-14 18:15:39,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:15:39,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-14 18:15:39,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:15:39,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-14 18:15:39,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-14 18:15:39,298 INFO L87 Difference]: Start difference. First operand 6436 states and 8911 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (26), 7 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-14 18:15:43,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:49,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []