./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 ff03de63 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-dev-ff03de6 [2021-12-21 16:42:13,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:42:13,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:42:13,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:42:13,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:42:13,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:42:13,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:42:13,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:42:13,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:42:13,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:42:13,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:42:13,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:42:13,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:42:13,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:42:13,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:42:13,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:42:13,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:42:13,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:42:13,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:42:13,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:42:13,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:42:13,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:42:13,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:42:13,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:42:13,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:42:13,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:42:13,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:42:13,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:42:13,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:42:13,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:42:13,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:42:13,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:42:13,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:42:13,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:42:13,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:42:13,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:42:13,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:42:13,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:42:13,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:42:13,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:42:13,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:42:13,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:42:13,876 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:42:13,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:42:13,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:42:13,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:42:13,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:42:13,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:42:13,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:42:13,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:42:13,878 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:42:13,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:42:13,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:42:13,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:42:13,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:42:13,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:42:13,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:42:13,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:42:13,880 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:42:13,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:42:13,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:42:13,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:42:13,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:42:13,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:42:13,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:42:13,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:42:13,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:42:13,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:42:13,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:42:13,881 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:42:13,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:42:13,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:42:13,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:42:13,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1742c34f7a214b263d92b02d9484c07ad1ab106a7adf554dae38d13e5f5f8336 [2021-12-21 16:42:14,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:42:14,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:42:14,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:42:14,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:42:14,137 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:42:14,138 INFO L432 ainManager$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 [2021-12-21 16:42:14,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fbb41516/56c8c7d6e9e444309678df5e2a29f029/FLAG5edf1924c [2021-12-21 16:42:14,842 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:42:14,843 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 [2021-12-21 16:42:14,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fbb41516/56c8c7d6e9e444309678df5e2a29f029/FLAG5edf1924c [2021-12-21 16:42:14,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fbb41516/56c8c7d6e9e444309678df5e2a29f029 [2021-12-21 16:42:14,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:42:14,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:42:14,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:42:14,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:42:14,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:42:14,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:42:14" (1/1) ... [2021-12-21 16:42:14,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@710ab86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:14, skipping insertion in model container [2021-12-21 16:42:14,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:42:14" (1/1) ... [2021-12-21 16:42:14,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:42:15,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:42:17,826 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] [2021-12-21 16:42:17,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:42:17,912 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:42:18,222 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] [2021-12-21 16:42:18,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:42:18,359 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:42:18,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18 WrapperNode [2021-12-21 16:42:18,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:42:18,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:42:18,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:42:18,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:42:18,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,677 INFO L137 Inliner]: procedures = 598, calls = 3919, calls flagged for inlining = 265, calls inlined = 256, statements flattened = 9657 [2021-12-21 16:42:18,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:42:18,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:42:18,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:42:18,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:42:18,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:42:18,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:42:18,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:42:18,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:42:18,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (1/1) ... [2021-12-21 16:42:18,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:42:18,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:42:18,965 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) [2021-12-21 16:42:18,983 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 [2021-12-21 16:42:19,008 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2021-12-21 16:42:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2021-12-21 16:42:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-21 16:42:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-21 16:42:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-21 16:42:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-21 16:42:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-21 16:42:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-21 16:42:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-21 16:42:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-21 16:42:19,009 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2021-12-21 16:42:19,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2021-12-21 16:42:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2021-12-21 16:42:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2021-12-21 16:42:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-21 16:42:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-21 16:42:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-21 16:42:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-21 16:42:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-21 16:42:19,010 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2021-12-21 16:42:19,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2021-12-21 16:42:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:42:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:42:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2021-12-21 16:42:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2021-12-21 16:42:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2021-12-21 16:42:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2021-12-21 16:42:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-21 16:42:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-21 16:42:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-12-21 16:42:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-12-21 16:42:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2021-12-21 16:42:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2021-12-21 16:42:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:42:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:42:19,012 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2021-12-21 16:42:19,012 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2021-12-21 16:42:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:42:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:42:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2021-12-21 16:42:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2021-12-21 16:42:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2021-12-21 16:42:19,013 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2021-12-21 16:42:19,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-21 16:42:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-21 16:42:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2021-12-21 16:42:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2021-12-21 16:42:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2021-12-21 16:42:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2021-12-21 16:42:19,014 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2021-12-21 16:42:19,014 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-21 16:42:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-21 16:42:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-21 16:42:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-21 16:42:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2021-12-21 16:42:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2021-12-21 16:42:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2021-12-21 16:42:19,016 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2021-12-21 16:42:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:42:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:42:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2021-12-21 16:42:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2021-12-21 16:42:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2021-12-21 16:42:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2021-12-21 16:42:19,017 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 16:42:19,017 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 16:42:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2021-12-21 16:42:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2021-12-21 16:42:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2021-12-21 16:42:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2021-12-21 16:42:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2021-12-21 16:42:19,018 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2021-12-21 16:42:19,018 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2021-12-21 16:42:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2021-12-21 16:42:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2021-12-21 16:42:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2021-12-21 16:42:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2021-12-21 16:42:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2021-12-21 16:42:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:42:19,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:42:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2021-12-21 16:42:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2021-12-21 16:42:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2021-12-21 16:42:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2021-12-21 16:42:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2021-12-21 16:42:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2021-12-21 16:42:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2021-12-21 16:42:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2021-12-21 16:42:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2021-12-21 16:42:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2021-12-21 16:42:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-21 16:42:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-21 16:42:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-21 16:42:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2021-12-21 16:42:19,021 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2021-12-21 16:42:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2021-12-21 16:42:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2021-12-21 16:42:19,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:42:19,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:42:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:42:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:42:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-21 16:42:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-21 16:42:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:42:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2021-12-21 16:42:19,023 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2021-12-21 16:42:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2021-12-21 16:42:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2021-12-21 16:42:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:42:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:42:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2021-12-21 16:42:19,024 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2021-12-21 16:42:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2021-12-21 16:42:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2021-12-21 16:42:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-21 16:42:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-21 16:42:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-21 16:42:19,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-21 16:42:19,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:42:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2021-12-21 16:42:19,027 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2021-12-21 16:42:19,027 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2021-12-21 16:42:19,028 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2021-12-21 16:42:19,028 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:42:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:42:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2021-12-21 16:42:19,029 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2021-12-21 16:42:19,029 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2021-12-21 16:42:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2021-12-21 16:42:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:42:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-21 16:42:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-21 16:42:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-21 16:42:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-21 16:42:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2021-12-21 16:42:19,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2021-12-21 16:42:19,033 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2021-12-21 16:42:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2021-12-21 16:42:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:42:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2021-12-21 16:42:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2021-12-21 16:42:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-21 16:42:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-21 16:42:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:42:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:42:19,034 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2021-12-21 16:42:19,034 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2021-12-21 16:42:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2021-12-21 16:42:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2021-12-21 16:42:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:42:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:42:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2021-12-21 16:42:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2021-12-21 16:42:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-21 16:42:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-21 16:42:19,035 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2021-12-21 16:42:19,035 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2021-12-21 16:42:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2021-12-21 16:42:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2021-12-21 16:42:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-21 16:42:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-21 16:42:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2021-12-21 16:42:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2021-12-21 16:42:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2021-12-21 16:42:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2021-12-21 16:42:19,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:42:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:42:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2021-12-21 16:42:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2021-12-21 16:42:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2021-12-21 16:42:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2021-12-21 16:42:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2021-12-21 16:42:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2021-12-21 16:42:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:42:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-21 16:42:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-21 16:42:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-21 16:42:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2021-12-21 16:42:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2021-12-21 16:42:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-21 16:42:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-21 16:42:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:42:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-21 16:42:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-21 16:42:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-21 16:42:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-21 16:42:19,038 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-21 16:42:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-21 16:42:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:42:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:42:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:42:19,039 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2021-12-21 16:42:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2021-12-21 16:42:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-21 16:42:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-21 16:42:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2021-12-21 16:42:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2021-12-21 16:42:19,040 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2021-12-21 16:42:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2021-12-21 16:42:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2021-12-21 16:42:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2021-12-21 16:42:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-21 16:42:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-21 16:42:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2021-12-21 16:42:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2021-12-21 16:42:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2021-12-21 16:42:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2021-12-21 16:42:19,041 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-21 16:42:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-21 16:42:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-21 16:42:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-21 16:42:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2021-12-21 16:42:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2021-12-21 16:42:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-21 16:42:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-21 16:42:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2021-12-21 16:42:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2021-12-21 16:42:19,042 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2021-12-21 16:42:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2021-12-21 16:42:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2021-12-21 16:42:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2021-12-21 16:42:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2021-12-21 16:42:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2021-12-21 16:42:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2021-12-21 16:42:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2021-12-21 16:42:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-21 16:42:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-21 16:42:19,043 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2021-12-21 16:42:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2021-12-21 16:42:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-21 16:42:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-21 16:42:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 16:42:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 16:42:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2021-12-21 16:42:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2021-12-21 16:42:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2021-12-21 16:42:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2021-12-21 16:42:19,044 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2021-12-21 16:42:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2021-12-21 16:42:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2021-12-21 16:42:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2021-12-21 16:42:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-21 16:42:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-21 16:42:19,045 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2021-12-21 16:42:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2021-12-21 16:42:19,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:42:19,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:42:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-21 16:42:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-21 16:42:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2021-12-21 16:42:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2021-12-21 16:42:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:42:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:42:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-21 16:42:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-21 16:42:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2021-12-21 16:42:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2021-12-21 16:42:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-21 16:42:19,082 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-21 16:42:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:42:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:42:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2021-12-21 16:42:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2021-12-21 16:42:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:42:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:42:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-21 16:42:19,089 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-21 16:42:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-21 16:42:19,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-21 16:42:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_32 [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_32 [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_31 [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_31 [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2021-12-21 16:42:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-21 16:42:19,091 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2021-12-21 16:42:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-21 16:42:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 16:42:19,093 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 16:42:19,093 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2021-12-21 16:42:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2021-12-21 16:42:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2021-12-21 16:42:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 16:42:19,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 16:42:19,094 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-21 16:42:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-21 16:42:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:42:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2021-12-21 16:42:19,095 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2021-12-21 16:42:19,095 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2021-12-21 16:42:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2021-12-21 16:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:42:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2021-12-21 16:42:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2021-12-21 16:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:42:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-21 16:42:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-21 16:42:19,096 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2021-12-21 16:42:19,096 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2021-12-21 16:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-21 16:42:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-21 16:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2021-12-21 16:42:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2021-12-21 16:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2021-12-21 16:42:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2021-12-21 16:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-21 16:42:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-21 16:42:19,097 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2021-12-21 16:42:19,097 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2021-12-21 16:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2021-12-21 16:42:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2021-12-21 16:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-21 16:42:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-21 16:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2021-12-21 16:42:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2021-12-21 16:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-21 16:42:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-21 16:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-21 16:42:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-21 16:42:19,098 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2021-12-21 16:42:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2021-12-21 16:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2021-12-21 16:42:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2021-12-21 16:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-21 16:42:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-21 16:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-21 16:42:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-21 16:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2021-12-21 16:42:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2021-12-21 16:42:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2021-12-21 16:42:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2021-12-21 16:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-21 16:42:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-21 16:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-21 16:42:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-21 16:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2021-12-21 16:42:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2021-12-21 16:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2021-12-21 16:42:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2021-12-21 16:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2021-12-21 16:42:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2021-12-21 16:42:19,100 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2021-12-21 16:42:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2021-12-21 16:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-21 16:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2021-12-21 16:42:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2021-12-21 16:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-21 16:42:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-21 16:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-21 16:42:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-21 16:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2021-12-21 16:42:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2021-12-21 16:42:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-21 16:42:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-21 16:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:42:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-21 16:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-21 16:42:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-21 16:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2021-12-21 16:42:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2021-12-21 16:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2021-12-21 16:42:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2021-12-21 16:42:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2021-12-21 16:42:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2021-12-21 16:42:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:42:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2021-12-21 16:42:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2021-12-21 16:42:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-21 16:42:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-21 16:42:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-21 16:42:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-21 16:42:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-21 16:42:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-21 16:42:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2021-12-21 16:42:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-21 16:42:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-21 16:42:20,104 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:42:20,124 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:42:20,654 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:42:27,203 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:42:27,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:42:27,222 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 16:42:27,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:42:27 BoogieIcfgContainer [2021-12-21 16:42:27,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:42:27,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:42:27,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:42:27,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:42:27,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:42:14" (1/3) ... [2021-12-21 16:42:27,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d766a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:42:27, skipping insertion in model container [2021-12-21 16:42:27,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:42:18" (2/3) ... [2021-12-21 16:42:27,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d766a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:42:27, skipping insertion in model container [2021-12-21 16:42:27,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:42:27" (3/3) ... [2021-12-21 16:42:27,233 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2021-12-21 16:42:27,241 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:42:27,241 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:42:27,291 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:42:27,305 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 [2021-12-21 16:42:27,305 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:42:27,365 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) [2021-12-21 16:42:27,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-21 16:42:27,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:42:27,375 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] [2021-12-21 16:42:27,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:42:27,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:42:27,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1185914512, now seen corresponding path program 1 times [2021-12-21 16:42:27,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:42:27,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786304564] [2021-12-21 16:42:27,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:42:27,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:42:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:42:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:42:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:42:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:42:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:42:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:42:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:42:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:42:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:42:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:42:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:42:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:42:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:42:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:42:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:42:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:42:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:42:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-21 16:42:28,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:42:28,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786304564] [2021-12-21 16:42:28,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786304564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:42:28,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:42:28,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:42:28,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548533350] [2021-12-21 16:42:28,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:42:28,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:42:28,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:42:28,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:42:28,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:42:28,407 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) [2021-12-21 16:42:36,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:42:44,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:42:46,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:42:48,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:42:50,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:42:51,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:42:51,237 INFO L93 Difference]: Finished difference Result 8292 states and 12120 transitions. [2021-12-21 16:42:51,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:42:51,239 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 [2021-12-21 16:42:51,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:42:51,274 INFO L225 Difference]: With dead ends: 8292 [2021-12-21 16:42:51,274 INFO L226 Difference]: Without dead ends: 4462 [2021-12-21 16:42:51,298 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 [2021-12-21 16:42:51,301 INFO L933 BasicCegarLoop]: 4812 mSDtfsCounter, 2726 mSDsluCounter, 5406 mSDsCounter, 0 mSdLazyCounter, 4845 mSolverCounterSat, 3200 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2830 SdHoareTripleChecker+Valid, 10218 SdHoareTripleChecker+Invalid, 8046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3200 IncrementalHoareTripleChecker+Valid, 4845 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:42:51,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2830 Valid, 10218 Invalid, 8046 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3200 Valid, 4845 Invalid, 1 Unknown, 0 Unchecked, 22.2s Time] [2021-12-21 16:42:51,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4462 states. [2021-12-21 16:42:51,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4462 to 3783. [2021-12-21 16:42:51,539 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) [2021-12-21 16:42:51,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 3783 states and 5300 transitions. [2021-12-21 16:42:51,562 INFO L78 Accepts]: Start accepts. Automaton has 3783 states and 5300 transitions. Word has length 249 [2021-12-21 16:42:51,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:42:51,563 INFO L470 AbstractCegarLoop]: Abstraction has 3783 states and 5300 transitions. [2021-12-21 16:42:51,563 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) [2021-12-21 16:42:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 5300 transitions. [2021-12-21 16:42:51,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-21 16:42:51,566 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:42:51,566 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] [2021-12-21 16:42:51,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:42:51,567 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:42:51,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:42:51,567 INFO L85 PathProgramCache]: Analyzing trace with hash -221808994, now seen corresponding path program 1 times [2021-12-21 16:42:51,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:42:51,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429121655] [2021-12-21 16:42:51,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:42:51,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:42:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:42:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:42:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:42:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:42:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:42:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:42:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:42:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:42:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:42:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:42:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:42:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:42:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:42:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:42:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:42:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:42:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:42:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:42:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:42:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:42:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-12-21 16:42:52,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:42:52,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429121655] [2021-12-21 16:42:52,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429121655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:42:52,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:42:52,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:42:52,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011248490] [2021-12-21 16:42:52,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:42:52,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:42:52,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:42:52,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:42:52,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:42:52,041 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) [2021-12-21 16:42:56,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:43:10,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:43:13,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:43:14,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:43:14,282 INFO L93 Difference]: Finished difference Result 11473 states and 16317 transitions. [2021-12-21 16:43:14,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-21 16:43:14,283 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 [2021-12-21 16:43:14,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:43:14,329 INFO L225 Difference]: With dead ends: 11473 [2021-12-21 16:43:14,330 INFO L226 Difference]: Without dead ends: 7729 [2021-12-21 16:43:14,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-21 16:43:14,344 INFO L933 BasicCegarLoop]: 6057 mSDtfsCounter, 8389 mSDsluCounter, 8484 mSDsCounter, 0 mSdLazyCounter, 6872 mSolverCounterSat, 6423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8882 SdHoareTripleChecker+Valid, 14541 SdHoareTripleChecker+Invalid, 13295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6423 IncrementalHoareTripleChecker+Valid, 6872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:43:14,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8882 Valid, 14541 Invalid, 13295 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6423 Valid, 6872 Invalid, 0 Unknown, 0 Unchecked, 21.5s Time] [2021-12-21 16:43:14,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7729 states. [2021-12-21 16:43:14,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7729 to 6436. [2021-12-21 16:43:14,540 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) [2021-12-21 16:43:14,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6436 states to 6436 states and 8911 transitions. [2021-12-21 16:43:14,566 INFO L78 Accepts]: Start accepts. Automaton has 6436 states and 8911 transitions. Word has length 249 [2021-12-21 16:43:14,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:43:14,568 INFO L470 AbstractCegarLoop]: Abstraction has 6436 states and 8911 transitions. [2021-12-21 16:43:14,568 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) [2021-12-21 16:43:14,569 INFO L276 IsEmpty]: Start isEmpty. Operand 6436 states and 8911 transitions. [2021-12-21 16:43:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-21 16:43:14,575 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:43:14,576 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] [2021-12-21 16:43:14,576 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 16:43:14,576 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:43:14,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:43:14,576 INFO L85 PathProgramCache]: Analyzing trace with hash 44032154, now seen corresponding path program 1 times [2021-12-21 16:43:14,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:43:14,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214260808] [2021-12-21 16:43:14,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:43:14,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:43:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:43:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:43:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:43:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:43:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:43:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:43:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:43:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:43:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:43:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-21 16:43:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-21 16:43:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-12-21 16:43:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-21 16:43:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 16:43:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 16:43:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-21 16:43:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-21 16:43:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-21 16:43:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-21 16:43:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-21 16:43:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:43:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:43:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:43:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-12-21 16:43:15,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:43:15,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214260808] [2021-12-21 16:43:15,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214260808] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:43:15,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:43:15,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-21 16:43:15,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928326898] [2021-12-21 16:43:15,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:43:15,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-21 16:43:15,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:43:15,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-21 16:43:15,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-21 16:43:15,193 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)