./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:19:10,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:19:10,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:19:10,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:19:10,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:19:10,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:19:10,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:19:10,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:19:10,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:19:10,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:19:10,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:19:10,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:19:10,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:19:10,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:19:10,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:19:10,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:19:10,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:19:10,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:19:10,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:19:10,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:19:10,926 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:19:10,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:19:10,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:19:10,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:19:10,929 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:19:10,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:19:10,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:19:10,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:19:10,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:19:10,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:19:10,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:19:10,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:19:10,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:19:10,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:19:10,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:19:10,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:19:10,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:19:10,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:19:10,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:19:10,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:19:10,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:19:10,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:19:10,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:19:10,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:19:10,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:19:10,970 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:19:10,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:19:10,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:19:10,971 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:19:10,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:19:10,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:19:10,972 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:19:10,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:19:10,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:19:10,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:19:10,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:19:10,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:19:10,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:19:10,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:19:10,974 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:19:10,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:19:10,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:19:10,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:19:10,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:19:10,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:19:10,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:19:10,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:19:10,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:19:10,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:19:10,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:19:10,975 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:19:10,975 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:19:10,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:19:10,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2022-07-14 01:19:11,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:19:11,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:19:11,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:19:11,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:19:11,195 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:19:11,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-14 01:19:11,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5810865a3/d300efc5764e4c64a01c6abe1a6c5447/FLAGae7ed5e23 [2022-07-14 01:19:11,851 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:19:11,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-14 01:19:11,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5810865a3/d300efc5764e4c64a01c6abe1a6c5447/FLAGae7ed5e23 [2022-07-14 01:19:12,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5810865a3/d300efc5764e4c64a01c6abe1a6c5447 [2022-07-14 01:19:12,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:19:12,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:19:12,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:19:12,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:19:12,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:19:12,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:19:12" (1/1) ... [2022-07-14 01:19:12,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c7a0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:12, skipping insertion in model container [2022-07-14 01:19:12,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:19:12" (1/1) ... [2022-07-14 01:19:12,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:19:12,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:19:14,689 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-07-14 01:19:14,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:19:14,828 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:19:15,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-07-14 01:19:15,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:19:15,290 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:19:15,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15 WrapperNode [2022-07-14 01:19:15,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:19:15,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:19:15,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:19:15,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:19:15,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,635 INFO L137 Inliner]: procedures = 664, calls = 4061, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9806 [2022-07-14 01:19:15,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:19:15,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:19:15,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:19:15,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:19:15,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:19:15,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:19:15,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:19:15,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:19:15,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (1/1) ... [2022-07-14 01:19:15,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:19:15,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:19:16,029 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) [2022-07-14 01:19:16,072 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 [2022-07-14 01:19:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-07-14 01:19:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-07-14 01:19:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-14 01:19:16,084 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-14 01:19:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 01:19:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 01:19:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-14 01:19:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-14 01:19:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-14 01:19:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-14 01:19:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-07-14 01:19:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-07-14 01:19:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-07-14 01:19:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-07-14 01:19:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-14 01:19:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-14 01:19:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-14 01:19:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-14 01:19:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-14 01:19:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-07-14 01:19:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-07-14 01:19:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:19:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:19:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-07-14 01:19:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-07-14 01:19:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-07-14 01:19:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-07-14 01:19:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-14 01:19:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-14 01:19:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-14 01:19:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-14 01:19:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-07-14 01:19:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-07-14 01:19:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-07-14 01:19:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-07-14 01:19:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:19:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:19:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-07-14 01:19:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-07-14 01:19:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-07-14 01:19:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-07-14 01:19:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-14 01:19:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-14 01:19:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-07-14 01:19:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-07-14 01:19:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-07-14 01:19:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-07-14 01:19:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-07-14 01:19:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-14 01:19:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-14 01:19:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-14 01:19:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-14 01:19:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-07-14 01:19:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-07-14 01:19:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-07-14 01:19:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-07-14 01:19:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-14 01:19:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-14 01:19:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-07-14 01:19:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-07-14 01:19:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-07-14 01:19:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-07-14 01:19:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 01:19:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 01:19:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-07-14 01:19:16,105 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-07-14 01:19:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-07-14 01:19:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-07-14 01:19:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-07-14 01:19:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-07-14 01:19:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-07-14 01:19:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-07-14 01:19:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-07-14 01:19:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-07-14 01:19:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-07-14 01:19:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-07-14 01:19:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 01:19:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 01:19:16,107 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-07-14 01:19:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-07-14 01:19:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-07-14 01:19:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-07-14 01:19:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-07-14 01:19:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-07-14 01:19:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-07-14 01:19:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-07-14 01:19:16,108 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-07-14 01:19:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-07-14 01:19:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-14 01:19:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-14 01:19:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-14 01:19:16,109 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-07-14 01:19:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-07-14 01:19:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-07-14 01:19:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-07-14 01:19:16,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 01:19:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 01:19:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 01:19:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 01:19:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-14 01:19:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-14 01:19:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:19:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-07-14 01:19:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-07-14 01:19:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-07-14 01:19:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-07-14 01:19:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 01:19:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 01:19:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-07-14 01:19:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-07-14 01:19:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-07-14 01:19:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-07-14 01:19:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-14 01:19:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-14 01:19:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-14 01:19:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-14 01:19:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 01:19:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-07-14 01:19:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-07-14 01:19:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-07-14 01:19:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-07-14 01:19:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 01:19:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 01:19:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-07-14 01:19:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-07-14 01:19:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-07-14 01:19:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-07-14 01:19:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 01:19:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-14 01:19:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-14 01:19:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-14 01:19:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-14 01:19:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-07-14 01:19:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-07-14 01:19:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-07-14 01:19:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-07-14 01:19:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 01:19:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-07-14 01:19:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-07-14 01:19:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-14 01:19:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-14 01:19:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:19:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:19:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-07-14 01:19:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-07-14 01:19:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-07-14 01:19:16,124 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-07-14 01:19:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-07-14 01:19:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-07-14 01:19:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-14 01:19:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-14 01:19:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-07-14 01:19:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-07-14 01:19:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-07-14 01:19:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-07-14 01:19:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 01:19:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 01:19:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-07-14 01:19:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-07-14 01:19:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-07-14 01:19:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-07-14 01:19:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2022-07-14 01:19:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2022-07-14 01:19:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:19:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:19:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-07-14 01:19:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-07-14 01:19:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-07-14 01:19:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-07-14 01:19:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-07-14 01:19:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-07-14 01:19:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:19:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-14 01:19:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-14 01:19:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-07-14 01:19:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-07-14 01:19:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 01:19:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 01:19:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:19:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-14 01:19:16,129 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-14 01:19:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-14 01:19:16,129 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-14 01:19:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-14 01:19:16,129 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-14 01:19:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:19:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:19:16,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 01:19:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-07-14 01:19:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-07-14 01:19:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-14 01:19:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-14 01:19:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-07-14 01:19:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-07-14 01:19:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-07-14 01:19:16,130 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-07-14 01:19:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-07-14 01:19:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-07-14 01:19:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-14 01:19:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-14 01:19:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-07-14 01:19:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-07-14 01:19:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-07-14 01:19:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-07-14 01:19:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-14 01:19:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-14 01:19:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-14 01:19:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-14 01:19:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-07-14 01:19:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-07-14 01:19:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 01:19:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 01:19:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-07-14 01:19:16,132 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-07-14 01:19:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-07-14 01:19:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-07-14 01:19:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-07-14 01:19:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-07-14 01:19:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-07-14 01:19:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-07-14 01:19:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-07-14 01:19:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-07-14 01:19:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-14 01:19:16,133 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-14 01:19:16,133 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-07-14 01:19:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-07-14 01:19:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 01:19:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 01:19:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 01:19:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 01:19:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-07-14 01:19:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-07-14 01:19:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-07-14 01:19:16,134 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-07-14 01:19:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-07-14 01:19:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-07-14 01:19:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-07-14 01:19:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-07-14 01:19:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 01:19:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 01:19:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-07-14 01:19:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-07-14 01:19:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:19:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:19:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-07-14 01:19:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-07-14 01:19:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 01:19:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 01:19:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-07-14 01:19:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-07-14 01:19:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-14 01:19:16,139 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-14 01:19:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-14 01:19:16,140 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-14 01:19:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-07-14 01:19:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-07-14 01:19:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-07-14 01:19:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-07-14 01:19:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-07-14 01:19:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-07-14 01:19:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:19:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:19:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:19:16,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:19:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-07-14 01:19:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-07-14 01:19:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-07-14 01:19:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-07-14 01:19:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-14 01:19:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-14 01:19:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-07-14 01:19:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-07-14 01:19:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-07-14 01:19:16,142 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-07-14 01:19:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-07-14 01:19:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-07-14 01:19:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-07-14 01:19:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-07-14 01:19:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-07-14 01:19:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-07-14 01:19:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-14 01:19:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-14 01:19:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2022-07-14 01:19:16,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2022-07-14 01:19:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-14 01:19:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-14 01:19:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-07-14 01:19:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-07-14 01:19:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-07-14 01:19:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-07-14 01:19:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:19:16,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:19:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-07-14 01:19:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-07-14 01:19:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:19:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:19:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-14 01:19:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-14 01:19:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-07-14 01:19:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-07-14 01:19:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 01:19:16,145 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 01:19:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:19:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:19:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-07-14 01:19:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-07-14 01:19:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:19:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:19:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-14 01:19:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-14 01:19:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-14 01:19:16,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-14 01:19:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-07-14 01:19:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-07-14 01:19:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-14 01:19:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-14 01:19:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-07-14 01:19:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-07-14 01:19:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-14 01:19:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-14 01:19:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-07-14 01:19:16,147 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-07-14 01:19:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-14 01:19:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-14 01:19:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-07-14 01:19:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-07-14 01:19:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-14 01:19:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-14 01:19:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 01:19:16,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 01:19:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:19:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:19:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-14 01:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-14 01:19:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-07-14 01:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-07-14 01:19:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:19:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-14 01:19:16,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-14 01:19:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-14 01:19:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-14 01:19:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-07-14 01:19:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-07-14 01:19:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-07-14 01:19:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-07-14 01:19:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-14 01:19:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-14 01:19:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-07-14 01:19:16,150 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-07-14 01:19:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-14 01:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-14 01:19:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-07-14 01:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-07-14 01:19:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:19:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-14 01:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-14 01:19:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-07-14 01:19:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-07-14 01:19:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 01:19:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 01:19:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 01:19:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 01:19:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 01:19:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 01:19:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-07-14 01:19:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-07-14 01:19:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 01:19:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 01:19:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-07-14 01:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-07-14 01:19:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-14 01:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-14 01:19:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-14 01:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-14 01:19:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-14 01:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-14 01:19:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-07-14 01:19:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-07-14 01:19:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-07-14 01:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-07-14 01:19:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-07-14 01:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-07-14 01:19:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-14 01:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-14 01:19:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-07-14 01:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-07-14 01:19:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 01:19:16,154 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 01:19:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-07-14 01:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-07-14 01:19:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-07-14 01:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-07-14 01:19:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-14 01:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-14 01:19:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-07-14 01:19:16,155 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-07-14 01:19:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-07-14 01:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-07-14 01:19:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-07-14 01:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-07-14 01:19:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-14 01:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-14 01:19:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-07-14 01:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-07-14 01:19:16,156 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-14 01:19:16,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-14 01:19:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 01:19:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 01:19:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-07-14 01:19:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-07-14 01:19:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-07-14 01:19:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:19:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:19:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-14 01:19:16,157 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-14 01:19:16,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 01:19:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-07-14 01:19:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-07-14 01:19:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-07-14 01:19:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-07-14 01:19:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:19:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:19:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-07-14 01:19:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-07-14 01:19:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:19:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:19:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-14 01:19:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-14 01:19:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-07-14 01:19:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-07-14 01:19:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 01:19:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 01:19:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-07-14 01:19:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-07-14 01:19:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-07-14 01:19:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-07-14 01:19:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-14 01:19:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-14 01:19:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-07-14 01:19:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-07-14 01:19:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-07-14 01:19:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-07-14 01:19:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-14 01:19:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-14 01:19:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-07-14 01:19:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-07-14 01:19:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-14 01:19:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-14 01:19:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-07-14 01:19:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-07-14 01:19:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 01:19:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 01:19:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-14 01:19:16,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-14 01:19:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-07-14 01:19:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-07-14 01:19:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-07-14 01:19:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-07-14 01:19:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 01:19:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 01:19:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-14 01:19:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-14 01:19:16,162 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-07-14 01:19:16,162 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-07-14 01:19:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-07-14 01:19:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-07-14 01:19:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-14 01:19:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-14 01:19:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-14 01:19:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-14 01:19:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-14 01:19:16,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-14 01:19:16,163 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-07-14 01:19:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-07-14 01:19:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-07-14 01:19:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-07-14 01:19:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-07-14 01:19:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-07-14 01:19:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-14 01:19:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-07-14 01:19:16,164 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-07-14 01:19:16,164 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-14 01:19:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-14 01:19:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-14 01:19:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-14 01:19:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-07-14 01:19:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-07-14 01:19:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 01:19:16,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 01:19:16,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 01:19:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-14 01:19:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-14 01:19:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-14 01:19:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-07-14 01:19:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-07-14 01:19:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-07-14 01:19:16,168 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-07-14 01:19:16,168 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-07-14 01:19:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-07-14 01:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 01:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-07-14 01:19:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-07-14 01:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-14 01:19:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-14 01:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-14 01:19:16,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-14 01:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-14 01:19:16,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-14 01:19:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-14 01:19:16,170 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-14 01:19:16,170 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-14 01:19:17,217 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:19:17,220 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:19:17,689 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:19:26,282 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:19:26,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:19:26,299 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:19:26,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:19:26 BoogieIcfgContainer [2022-07-14 01:19:26,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:19:26,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:19:26,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:19:26,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:19:26,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:19:12" (1/3) ... [2022-07-14 01:19:26,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5014cac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:19:26, skipping insertion in model container [2022-07-14 01:19:26,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:19:15" (2/3) ... [2022-07-14 01:19:26,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5014cac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:19:26, skipping insertion in model container [2022-07-14 01:19:26,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:19:26" (3/3) ... [2022-07-14 01:19:26,310 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-14 01:19:26,319 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:19:26,319 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:19:26,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:19:26,389 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@33f2a574, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@51c96b29 [2022-07-14 01:19:26,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:19:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand has 3888 states, 2508 states have (on average 1.275518341307815) internal successors, (3199), 2594 states have internal predecessors, (3199), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) [2022-07-14 01:19:26,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 01:19:26,413 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:19:26,413 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:19:26,414 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:19:26,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:19:26,417 INFO L85 PathProgramCache]: Analyzing trace with hash -820705973, now seen corresponding path program 1 times [2022-07-14 01:19:26,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:19:26,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504759613] [2022-07-14 01:19:26,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:19:26,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:19:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:19:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:19:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:19:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:19:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:19:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:26,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:19:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:19:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:27,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:19:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:19:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:19:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:19:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:19:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:19:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:19:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:19:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:19:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:19:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:19:27,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:19:27,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504759613] [2022-07-14 01:19:27,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504759613] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:19:27,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:19:27,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 01:19:27,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48587475] [2022-07-14 01:19:27,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:19:27,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 01:19:27,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:19:27,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 01:19:27,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 01:19:27,312 INFO L87 Difference]: Start difference. First operand has 3888 states, 2508 states have (on average 1.275518341307815) internal successors, (3199), 2594 states have internal predecessors, (3199), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:19:38,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:19:38,080 INFO L93 Difference]: Finished difference Result 8462 states and 12373 transitions. [2022-07-14 01:19:38,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 01:19:38,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-14 01:19:38,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:19:38,115 INFO L225 Difference]: With dead ends: 8462 [2022-07-14 01:19:38,115 INFO L226 Difference]: Without dead ends: 4558 [2022-07-14 01:19:38,149 INFO L412 NwaCegarLoop]: 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 [2022-07-14 01:19:38,151 INFO L413 NwaCegarLoop]: 4926 mSDtfsCounter, 4338 mSDsluCounter, 2171 mSDsCounter, 0 mSdLazyCounter, 2293 mSolverCounterSat, 5063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4444 SdHoareTripleChecker+Valid, 7097 SdHoareTripleChecker+Invalid, 7356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5063 IncrementalHoareTripleChecker+Valid, 2293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:19:38,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4444 Valid, 7097 Invalid, 7356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5063 Valid, 2293 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2022-07-14 01:19:38,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2022-07-14 01:19:38,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 3867. [2022-07-14 01:19:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3867 states, 2495 states have (on average 1.2701402805611222) internal successors, (3169), 2573 states have internal predecessors, (3169), 1128 states have call successors, (1128), 244 states have call predecessors, (1128), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-14 01:19:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 3867 states and 5419 transitions. [2022-07-14 01:19:38,364 INFO L78 Accepts]: Start accepts. Automaton has 3867 states and 5419 transitions. Word has length 253 [2022-07-14 01:19:38,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:19:38,366 INFO L495 AbstractCegarLoop]: Abstraction has 3867 states and 5419 transitions. [2022-07-14 01:19:38,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:19:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3867 states and 5419 transitions. [2022-07-14 01:19:38,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-14 01:19:38,374 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:19:38,375 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:19:38,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 01:19:38,375 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:19:38,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:19:38,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1618881671, now seen corresponding path program 1 times [2022-07-14 01:19:38,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:19:38,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078305833] [2022-07-14 01:19:38,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:19:38,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:19:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:19:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:19:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:19:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:19:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:19:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:19:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:19:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:19:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:19:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:19:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:19:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:19:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:19:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:19:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:19:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:19:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:19:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:19:38,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:19:38,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078305833] [2022-07-14 01:19:38,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078305833] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:19:38,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:19:38,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:19:38,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210531487] [2022-07-14 01:19:38,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:19:38,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:19:38,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:19:38,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:19:38,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:19:38,965 INFO L87 Difference]: Start difference. First operand 3867 states and 5419 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:19:49,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:19:49,643 INFO L93 Difference]: Finished difference Result 4560 states and 6602 transitions. [2022-07-14 01:19:49,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:19:49,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-14 01:19:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:19:49,666 INFO L225 Difference]: With dead ends: 4560 [2022-07-14 01:19:49,667 INFO L226 Difference]: Without dead ends: 4557 [2022-07-14 01:19:49,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:19:49,670 INFO L413 NwaCegarLoop]: 4840 mSDtfsCounter, 8999 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 2359 mSolverCounterSat, 6157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9636 SdHoareTripleChecker+Valid, 6999 SdHoareTripleChecker+Invalid, 8516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6157 IncrementalHoareTripleChecker+Valid, 2359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-07-14 01:19:49,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9636 Valid, 6999 Invalid, 8516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6157 Valid, 2359 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-07-14 01:19:49,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2022-07-14 01:19:49,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 3866. [2022-07-14 01:19:49,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3866 states, 2495 states have (on average 1.2697394789579157) internal successors, (3168), 2572 states have internal predecessors, (3168), 1127 states have call successors, (1127), 244 states have call predecessors, (1127), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-14 01:19:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3866 states to 3866 states and 5417 transitions. [2022-07-14 01:19:49,796 INFO L78 Accepts]: Start accepts. Automaton has 3866 states and 5417 transitions. Word has length 253 [2022-07-14 01:19:49,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:19:49,798 INFO L495 AbstractCegarLoop]: Abstraction has 3866 states and 5417 transitions. [2022-07-14 01:19:49,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:19:49,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 5417 transitions. [2022-07-14 01:19:49,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-07-14 01:19:49,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:19:49,802 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:19:49,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 01:19:49,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:19:49,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:19:49,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1352310769, now seen corresponding path program 1 times [2022-07-14 01:19:49,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:19:49,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361690960] [2022-07-14 01:19:49,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:19:49,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:19:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:19:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:19:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:19:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:19:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:19:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:19:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:19:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:19:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:19:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:19:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:19:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:19:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:19:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:19:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:19:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:19:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:19:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:19:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:19:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:19:50,263 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:19:50,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:19:50,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361690960] [2022-07-14 01:19:50,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361690960] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:19:50,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:19:50,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:19:50,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596824053] [2022-07-14 01:19:50,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:19:50,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:19:50,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:19:50,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:19:50,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:19:50,265 INFO L87 Difference]: Start difference. First operand 3866 states and 5417 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:19:53,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:19:58,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:20:06,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:20:07,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:20:08,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:20:10,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:20:12,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:20:15,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:20:15,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:20:15,777 INFO L93 Difference]: Finished difference Result 4559 states and 6600 transitions. [2022-07-14 01:20:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:20:15,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 254 [2022-07-14 01:20:15,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:20:15,800 INFO L225 Difference]: With dead ends: 4559 [2022-07-14 01:20:15,800 INFO L226 Difference]: Without dead ends: 4556 [2022-07-14 01:20:15,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:20:15,806 INFO L413 NwaCegarLoop]: 4845 mSDtfsCounter, 7448 mSDsluCounter, 5489 mSDsCounter, 0 mSdLazyCounter, 4977 mSolverCounterSat, 4375 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8086 SdHoareTripleChecker+Valid, 10334 SdHoareTripleChecker+Invalid, 9353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4375 IncrementalHoareTripleChecker+Valid, 4977 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:20:15,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8086 Valid, 10334 Invalid, 9353 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4375 Valid, 4977 Invalid, 1 Unknown, 0 Unchecked, 25.1s Time] [2022-07-14 01:20:15,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4556 states. [2022-07-14 01:20:15,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4556 to 3865. [2022-07-14 01:20:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3865 states, 2495 states have (on average 1.2693386773547095) internal successors, (3167), 2571 states have internal predecessors, (3167), 1126 states have call successors, (1126), 244 states have call predecessors, (1126), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-14 01:20:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3865 states and 5415 transitions. [2022-07-14 01:20:15,959 INFO L78 Accepts]: Start accepts. Automaton has 3865 states and 5415 transitions. Word has length 254 [2022-07-14 01:20:15,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:20:15,961 INFO L495 AbstractCegarLoop]: Abstraction has 3865 states and 5415 transitions. [2022-07-14 01:20:15,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:20:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 5415 transitions. [2022-07-14 01:20:15,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-14 01:20:15,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:20:15,965 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:20:15,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 01:20:15,965 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:20:15,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:20:15,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1029999236, now seen corresponding path program 1 times [2022-07-14 01:20:15,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:20:15,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60921037] [2022-07-14 01:20:15,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:20:15,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:20:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:20:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:20:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:20:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:20:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:20:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:20:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:20:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:20:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:20:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:20:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:20:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:20:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:20:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:20:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:20:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:20:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:20:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:20:16,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:20:16,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60921037] [2022-07-14 01:20:16,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60921037] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:20:16,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:20:16,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:20:16,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474306526] [2022-07-14 01:20:16,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:20:16,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:20:16,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:20:16,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:20:16,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:20:16,449 INFO L87 Difference]: Start difference. First operand 3865 states and 5415 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:20:30,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:20:31,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:20:31,002 INFO L93 Difference]: Finished difference Result 4558 states and 6598 transitions. [2022-07-14 01:20:31,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:20:31,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 255 [2022-07-14 01:20:31,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:20:31,024 INFO L225 Difference]: With dead ends: 4558 [2022-07-14 01:20:31,024 INFO L226 Difference]: Without dead ends: 4555 [2022-07-14 01:20:31,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:20:31,027 INFO L413 NwaCegarLoop]: 4846 mSDtfsCounter, 7815 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 3679 mSolverCounterSat, 4571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8455 SdHoareTripleChecker+Valid, 8548 SdHoareTripleChecker+Invalid, 8250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4571 IncrementalHoareTripleChecker+Valid, 3679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:20:31,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8455 Valid, 8548 Invalid, 8250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4571 Valid, 3679 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2022-07-14 01:20:31,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-14 01:20:31,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-14 01:20:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 2495 states have (on average 1.268937875751503) internal successors, (3166), 2570 states have internal predecessors, (3166), 1125 states have call successors, (1125), 244 states have call predecessors, (1125), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-14 01:20:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5413 transitions. [2022-07-14 01:20:31,197 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5413 transitions. Word has length 255 [2022-07-14 01:20:31,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:20:31,200 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5413 transitions. [2022-07-14 01:20:31,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:20:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5413 transitions. [2022-07-14 01:20:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-14 01:20:31,203 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:20:31,203 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:20:31,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 01:20:31,203 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:20:31,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:20:31,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1867160492, now seen corresponding path program 1 times [2022-07-14 01:20:31,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:20:31,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590905814] [2022-07-14 01:20:31,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:20:31,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:20:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:20:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:20:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:20:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:20:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:20:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:20:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:20:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:20:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:20:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:20:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:20:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:20:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:20:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:20:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:20:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:20:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:20:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:20:31,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:20:31,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590905814] [2022-07-14 01:20:31,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590905814] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:20:31,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:20:31,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:20:31,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755310751] [2022-07-14 01:20:31,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:20:31,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:20:31,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:20:31,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:20:31,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:20:31,580 INFO L87 Difference]: Start difference. First operand 3864 states and 5413 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:20:40,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:20:41,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:20:41,711 INFO L93 Difference]: Finished difference Result 4568 states and 6605 transitions. [2022-07-14 01:20:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 01:20:41,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 256 [2022-07-14 01:20:41,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:20:41,734 INFO L225 Difference]: With dead ends: 4568 [2022-07-14 01:20:41,735 INFO L226 Difference]: Without dead ends: 4555 [2022-07-14 01:20:41,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-14 01:20:41,741 INFO L413 NwaCegarLoop]: 4855 mSDtfsCounter, 8988 mSDsluCounter, 2173 mSDsCounter, 0 mSdLazyCounter, 2376 mSolverCounterSat, 6176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9587 SdHoareTripleChecker+Valid, 7028 SdHoareTripleChecker+Invalid, 8552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6176 IncrementalHoareTripleChecker+Valid, 2376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-07-14 01:20:41,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9587 Valid, 7028 Invalid, 8552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6176 Valid, 2376 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-07-14 01:20:41,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4555 states. [2022-07-14 01:20:41,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4555 to 3864. [2022-07-14 01:20:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 2494 states have (on average 1.2678428227746592) internal successors, (3162), 2567 states have internal predecessors, (3162), 1123 states have call successors, (1123), 247 states have call predecessors, (1123), 246 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-07-14 01:20:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5407 transitions. [2022-07-14 01:20:41,887 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5407 transitions. Word has length 256 [2022-07-14 01:20:41,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:20:41,888 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5407 transitions. [2022-07-14 01:20:41,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 01:20:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5407 transitions. [2022-07-14 01:20:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-14 01:20:41,894 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:20:41,895 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:20:41,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 01:20:41,895 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:20:41,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:20:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1914009865, now seen corresponding path program 1 times [2022-07-14 01:20:41,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:20:41,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807288537] [2022-07-14 01:20:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:20:41,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:20:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:20:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:20:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:20:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:20:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:20:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:20:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:20:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:20:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:20:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:20:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:20:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:20:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:20:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:20:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:20:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:20:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:20:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:20:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:20:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-14 01:20:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 01:20:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-14 01:20:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:20:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:20:42,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:20:42,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807288537] [2022-07-14 01:20:42,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807288537] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:20:42,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:20:42,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:20:42,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070131012] [2022-07-14 01:20:42,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:20:42,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:20:42,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:20:42,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:20:42,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:20:42,390 INFO L87 Difference]: Start difference. First operand 3864 states and 5407 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 01:21:06,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:21:06,307 INFO L93 Difference]: Finished difference Result 12808 states and 18511 transitions. [2022-07-14 01:21:06,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 01:21:06,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 288 [2022-07-14 01:21:06,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:21:06,359 INFO L225 Difference]: With dead ends: 12808 [2022-07-14 01:21:06,360 INFO L226 Difference]: Without dead ends: 8983 [2022-07-14 01:21:06,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-14 01:21:06,377 INFO L413 NwaCegarLoop]: 5341 mSDtfsCounter, 14902 mSDsluCounter, 5325 mSDsCounter, 0 mSdLazyCounter, 10557 mSolverCounterSat, 15241 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15693 SdHoareTripleChecker+Valid, 10666 SdHoareTripleChecker+Invalid, 25798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15241 IncrementalHoareTripleChecker+Valid, 10557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:21:06,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15693 Valid, 10666 Invalid, 25798 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15241 Valid, 10557 Invalid, 0 Unknown, 0 Unchecked, 23.1s Time] [2022-07-14 01:21:06,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8983 states. [2022-07-14 01:21:06,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8983 to 6587. [2022-07-14 01:21:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 4222 states have (on average 1.2567503552818569) internal successors, (5306), 4366 states have internal predecessors, (5306), 1905 states have call successors, (1905), 460 states have call predecessors, (1905), 459 states have return successors, (1904), 1846 states have call predecessors, (1904), 1904 states have call successors, (1904) [2022-07-14 01:21:06,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9115 transitions. [2022-07-14 01:21:06,661 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9115 transitions. Word has length 288 [2022-07-14 01:21:06,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:21:06,662 INFO L495 AbstractCegarLoop]: Abstraction has 6587 states and 9115 transitions. [2022-07-14 01:21:06,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 01:21:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9115 transitions. [2022-07-14 01:21:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-07-14 01:21:06,672 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:21:06,673 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:21:06,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 01:21:06,673 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:21:06,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:21:06,673 INFO L85 PathProgramCache]: Analyzing trace with hash 417864957, now seen corresponding path program 1 times [2022-07-14 01:21:06,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:21:06,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559401264] [2022-07-14 01:21:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:21:06,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:21:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:21:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:21:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:21:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:21:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:21:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:21:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:06,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:21:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:21:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:21:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:21:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:21:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:21:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:21:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:21:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:21:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:21:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:21:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-14 01:21:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 01:21:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 01:21:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-14 01:21:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 01:21:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-14 01:21:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-07-14 01:21:07,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:21:07,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559401264] [2022-07-14 01:21:07,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559401264] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:21:07,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:21:07,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 01:21:07,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268564306] [2022-07-14 01:21:07,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:21:07,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 01:21:07,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:21:07,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 01:21:07,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-14 01:21:07,170 INFO L87 Difference]: Start difference. First operand 6587 states and 9115 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 01:21:20,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:21:33,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:21:36,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:21:38,704 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:21:40,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:21:42,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:21:47,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:21:49,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:21:49,247 INFO L93 Difference]: Finished difference Result 20237 states and 29275 transitions. [2022-07-14 01:21:49,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-14 01:21:49,248 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 341 [2022-07-14 01:21:49,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:21:49,313 INFO L225 Difference]: With dead ends: 20237 [2022-07-14 01:21:49,313 INFO L226 Difference]: Without dead ends: 13689 [2022-07-14 01:21:49,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-07-14 01:21:49,338 INFO L413 NwaCegarLoop]: 7100 mSDtfsCounter, 14120 mSDsluCounter, 7772 mSDsCounter, 0 mSdLazyCounter, 14263 mSolverCounterSat, 15977 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15061 SdHoareTripleChecker+Valid, 14872 SdHoareTripleChecker+Invalid, 30241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15977 IncrementalHoareTripleChecker+Valid, 14263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2022-07-14 01:21:49,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15061 Valid, 14872 Invalid, 30241 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15977 Valid, 14263 Invalid, 1 Unknown, 0 Unchecked, 40.8s Time] [2022-07-14 01:21:49,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13689 states. [2022-07-14 01:21:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13689 to 9662. [2022-07-14 01:21:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9662 states, 6215 states have (on average 1.2540627514078841) internal successors, (7794), 6432 states have internal predecessors, (7794), 2761 states have call successors, (2761), 686 states have call predecessors, (2761), 685 states have return successors, (2760), 2673 states have call predecessors, (2760), 2760 states have call successors, (2760) [2022-07-14 01:21:49,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9662 states to 9662 states and 13315 transitions. [2022-07-14 01:21:49,779 INFO L78 Accepts]: Start accepts. Automaton has 9662 states and 13315 transitions. Word has length 341 [2022-07-14 01:21:49,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:21:49,781 INFO L495 AbstractCegarLoop]: Abstraction has 9662 states and 13315 transitions. [2022-07-14 01:21:49,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 01:21:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 9662 states and 13315 transitions. [2022-07-14 01:21:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-07-14 01:21:49,789 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:21:49,790 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:21:49,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 01:21:49,790 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:21:49,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:21:49,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1340027603, now seen corresponding path program 1 times [2022-07-14 01:21:49,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:21:49,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385184212] [2022-07-14 01:21:49,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:21:49,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:21:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:21:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:21:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:21:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:21:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:21:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:21:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 01:21:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-14 01:21:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 01:21:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:21:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 01:21:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 01:21:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-14 01:21:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 01:21:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-14 01:21:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 01:21:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-14 01:21:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-14 01:21:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-14 01:21:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-14 01:21:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:21:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-14 01:21:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 01:21:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:21:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-14 01:21:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-14 01:21:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-14 01:21:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-14 01:21:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:21:50,245 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-14 01:21:50,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:21:50,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385184212] [2022-07-14 01:21:50,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385184212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:21:50,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:21:50,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:21:50,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80350665] [2022-07-14 01:21:50,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:21:50,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:21:50,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:21:50,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:21:50,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:21:50,247 INFO L87 Difference]: Start difference. First operand 9662 states and 13315 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-14 01:22:04,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:22:07,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:22:07,271 INFO L93 Difference]: Finished difference Result 13313 states and 19436 transitions. [2022-07-14 01:22:07,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 01:22:07,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 342 [2022-07-14 01:22:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:22:07,275 INFO L225 Difference]: With dead ends: 13313 [2022-07-14 01:22:07,275 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 01:22:07,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 110 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-14 01:22:07,314 INFO L413 NwaCegarLoop]: 4439 mSDtfsCounter, 7173 mSDsluCounter, 4716 mSDsCounter, 0 mSdLazyCounter, 8293 mSolverCounterSat, 7797 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7749 SdHoareTripleChecker+Valid, 9155 SdHoareTripleChecker+Invalid, 16091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7797 IncrementalHoareTripleChecker+Valid, 8293 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-07-14 01:22:07,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7749 Valid, 9155 Invalid, 16091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7797 Valid, 8293 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2022-07-14 01:22:07,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 01:22:07,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 01:22:07,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 01:22:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 01:22:07,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 342 [2022-07-14 01:22:07,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:22:07,319 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 01:22:07,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-14 01:22:07,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 01:22:07,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 01:22:07,322 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 01:22:07,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 01:22:07,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.