./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-thin-pool.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-thin-pool.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 205c5df1a1a60f895a95c3ed9a3099f16685cc5b57379f95f0c6fb3c071e97b9 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 06:47:13,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 06:47:13,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 06:47:13,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 06:47:13,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 06:47:13,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 06:47:13,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 06:47:13,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 06:47:13,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 06:47:13,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 06:47:13,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 06:47:13,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 06:47:13,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 06:47:13,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 06:47:13,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 06:47:13,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 06:47:13,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 06:47:13,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 06:47:13,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 06:47:13,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 06:47:13,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 06:47:13,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 06:47:13,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 06:47:13,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 06:47:13,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 06:47:13,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 06:47:13,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 06:47:13,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 06:47:13,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 06:47:13,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 06:47:13,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 06:47:13,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 06:47:13,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 06:47:13,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 06:47:13,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 06:47:13,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 06:47:13,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 06:47:13,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 06:47:13,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 06:47:13,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 06:47:13,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 06:47:13,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 06:47:13,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 06:47:13,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 06:47:13,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 06:47:13,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 06:47:13,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 06:47:13,984 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 06:47:13,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 06:47:13,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 06:47:13,985 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 06:47:13,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 06:47:13,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 06:47:13,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 06:47:13,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 06:47:13,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 06:47:13,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 06:47:13,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 06:47:13,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 06:47:13,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 06:47:13,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 06:47:13,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 06:47:13,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 06:47:13,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:47:13,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 06:47:13,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 06:47:13,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 06:47:13,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 06:47:13,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 06:47:13,989 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 06:47:13,989 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 06:47:13,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 06:47:13,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 06:47:13,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205c5df1a1a60f895a95c3ed9a3099f16685cc5b57379f95f0c6fb3c071e97b9 [2021-12-18 06:47:14,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 06:47:14,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 06:47:14,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 06:47:14,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 06:47:14,278 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 06:47:14,279 INFO L432 ainManager$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-thin-pool.ko-entry_point.cil.out.i [2021-12-18 06:47:14,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f374fdad/e87fac55fe9f4a65b66a25d6e935f067/FLAG3bb18867f [2021-12-18 06:47:15,206 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 06:47:15,208 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-thin-pool.ko-entry_point.cil.out.i [2021-12-18 06:47:15,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f374fdad/e87fac55fe9f4a65b66a25d6e935f067/FLAG3bb18867f [2021-12-18 06:47:15,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f374fdad/e87fac55fe9f4a65b66a25d6e935f067 [2021-12-18 06:47:15,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 06:47:15,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 06:47:15,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 06:47:15,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 06:47:15,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 06:47:15,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:47:15" (1/1) ... [2021-12-18 06:47:15,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16585a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:15, skipping insertion in model container [2021-12-18 06:47:15,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 06:47:15" (1/1) ... [2021-12-18 06:47:15,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 06:47:15,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 06:47:19,987 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-thin-pool.ko-entry_point.cil.out.i[392782,392795] [2021-12-18 06:47:20,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:47:20,264 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 06:47:20,761 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-thin-pool.ko-entry_point.cil.out.i[392782,392795] [2021-12-18 06:47:20,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 06:47:21,029 INFO L208 MainTranslator]: Completed translation [2021-12-18 06:47:21,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21 WrapperNode [2021-12-18 06:47:21,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 06:47:21,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 06:47:21,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 06:47:21,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 06:47:21,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,501 INFO L137 Inliner]: procedures = 655, calls = 4626, calls flagged for inlining = 250, calls inlined = 246, statements flattened = 10810 [2021-12-18 06:47:21,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 06:47:21,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 06:47:21,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 06:47:21,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 06:47:21,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 06:47:21,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 06:47:21,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 06:47:21,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 06:47:21,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (1/1) ... [2021-12-18 06:47:21,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 06:47:21,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 06:47:21,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 06:47:22,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 06:47:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2021-12-18 06:47:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2021-12-18 06:47:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 06:47:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 06:47:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_entry_dec [2021-12-18 06:47:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_entry_dec [2021-12-18 06:47:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2021-12-18 06:47:22,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2021-12-18 06:47:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-18 06:47:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-18 06:47:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_root_size [2021-12-18 06:47:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_root_size [2021-12-18 06:47:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure noflush_work [2021-12-18 06:47:22,023 INFO L138 BoogieDeclarations]: Found implementation of procedure noflush_work [2021-12-18 06:47:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_lock [2021-12-18 06:47:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_lock [2021-12-18 06:47:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2021-12-18 06:47:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2021-12-18 06:47:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2021-12-18 06:47:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2021-12-18 06:47:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 06:47:22,024 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 06:47:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure thin_preresume [2021-12-18 06:47:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_preresume [2021-12-18 06:47:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2021-12-18 06:47:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2021-12-18 06:47:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-12-18 06:47:22,025 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-12-18 06:47:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_work_update [2021-12-18 06:47:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_work_update [2021-12-18 06:47:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_remove [2021-12-18 06:47:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_remove [2021-12-18 06:47:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure get_metadata_dev_size_in_blocks [2021-12-18 06:47:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_metadata_dev_size_in_blocks [2021-12-18 06:47:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure pool_features_init [2021-12-18 06:47:22,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_features_init [2021-12-18 06:47:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 06:47:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 06:47:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-18 06:47:22,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-18 06:47:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_external_copy [2021-12-18 06:47:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_external_copy [2021-12-18 06:47:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2021-12-18 06:47:22,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2021-12-18 06:47:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure __close_device [2021-12-18 06:47:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __close_device [2021-12-18 06:47:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure remap [2021-12-18 06:47:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure remap [2021-12-18 06:47:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-12-18 06:47:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-12-18 06:47:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-12-18 06:47:22,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-12-18 06:47:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure thin_get [2021-12-18 06:47:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_get [2021-12-18 06:47:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure blk_finish_plug [2021-12-18 06:47:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_finish_plug [2021-12-18 06:47:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2021-12-18 06:47:22,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2021-12-18 06:47:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_bio [2021-12-18 06:47:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_bio [2021-12-18 06:47:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 06:47:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 06:47:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_callbacks [2021-12-18 06:47:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_callbacks [2021-12-18 06:47:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_data_block [2021-12-18 06:47:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_data_block [2021-12-18 06:47:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_destroy [2021-12-18 06:47:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_destroy [2021-12-18 06:47:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_entry_inc [2021-12-18 06:47:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_entry_inc [2021-12-18 06:47:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_metadata_dev_size [2021-12-18 06:47:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_metadata_dev_size [2021-12-18 06:47:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_plug [2021-12-18 06:47:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_plug [2021-12-18 06:47:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure cell_visit_release [2021-12-18 06:47:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_visit_release [2021-12-18 06:47:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 06:47:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 06:47:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-18 06:47:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-18 06:47:22,035 INFO L130 BoogieDeclarations]: Found specification of procedure free_discard_mapping [2021-12-18 06:47:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure free_discard_mapping [2021-12-18 06:47:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_get_nr_free [2021-12-18 06:47:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_get_nr_free [2021-12-18 06:47:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_add_work [2021-12-18 06:47:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_add_work [2021-12-18 06:47:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure thin_put [2021-12-18 06:47:22,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_put [2021-12-18 06:47:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_needs_check [2021-12-18 06:47:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_needs_check [2021-12-18 06:47:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure dm_thin_find_block [2021-12-18 06:47:22,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_thin_find_block [2021-12-18 06:47:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure copy_sm_roots [2021-12-18 06:47:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_sm_roots [2021-12-18 06:47:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2021-12-18 06:47:22,038 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2021-12-18 06:47:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_create_non_blocking_clone [2021-12-18 06:47:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_create_non_blocking_clone [2021-12-18 06:47:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure thin_defer_bio [2021-12-18 06:47:22,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_defer_bio [2021-12-18 06:47:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2021-12-18 06:47:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2021-12-18 06:47:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_unlock [2021-12-18 06:47:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_unlock [2021-12-18 06:47:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 06:47:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 06:47:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure pool_resume_active_thins [2021-12-18 06:47:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_resume_active_thins [2021-12-18 06:47:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2021-12-18 06:47:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2021-12-18 06:47:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 06:47:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 06:47:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2021-12-18 06:47:22,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2021-12-18 06:47:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure thin_merge [2021-12-18 06:47:22,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_merge [2021-12-18 06:47:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 06:47:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_del [2021-12-18 06:47:22,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_del [2021-12-18 06:47:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_read_only [2021-12-18 06:47:22,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_read_only [2021-12-18 06:47:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 06:47:22,046 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 06:47:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 06:47:22,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 06:47:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure thin_io_hints [2021-12-18 06:47:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_io_hints [2021-12-18 06:47:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure pool_preresume [2021-12-18 06:47:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_preresume [2021-12-18 06:47:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure thin_status [2021-12-18 06:47:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_status [2021-12-18 06:47:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure warn_if_metadata_device_too_big [2021-12-18 06:47:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_if_metadata_device_too_big [2021-12-18 06:47:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure ll_zero [2021-12-18 06:47:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ll_zero [2021-12-18 06:47:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure dm_thin_remove_range [2021-12-18 06:47:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_thin_remove_range [2021-12-18 06:47:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2021-12-18 06:47:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2021-12-18 06:47:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 06:47:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure complete_mapping_preparation [2021-12-18 06:47:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_mapping_preparation [2021-12-18 06:47:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure inc_all_io_entry [2021-12-18 06:47:22,055 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_all_io_entry [2021-12-18 06:47:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 06:47:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 06:47:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 06:47:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure retry_bios_on_resume [2021-12-18 06:47:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_bios_on_resume [2021-12-18 06:47:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure to_delayed_work [2021-12-18 06:47:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure to_delayed_work [2021-12-18 06:47:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-12-18 06:47:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-12-18 06:47:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2021-12-18 06:47:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2021-12-18 06:47:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure should_error_unserviceable_bio [2021-12-18 06:47:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure should_error_unserviceable_bio [2021-12-18 06:47:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_mapping [2021-12-18 06:47:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_mapping [2021-12-18 06:47:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2021-12-18 06:47:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2021-12-18 06:47:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 06:47:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure thin_presuspend [2021-12-18 06:47:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_presuspend [2021-12-18 06:47:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure cell_error_with_code [2021-12-18 06:47:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_error_with_code [2021-12-18 06:47:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2021-12-18 06:47:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2021-12-18 06:47:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure thin_endio [2021-12-18 06:47:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_endio [2021-12-18 06:47:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_table_lookup [2021-12-18 06:47:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_table_lookup [2021-12-18 06:47:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 06:47:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 06:47:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure pool_io_hints [2021-12-18 06:47:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_io_hints [2021-12-18 06:47:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure is_factor [2021-12-18 06:47:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure is_factor [2021-12-18 06:47:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-12-18 06:47:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-12-18 06:47:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared [2021-12-18 06:47:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared [2021-12-18 06:47:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure cell_requeue [2021-12-18 06:47:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_requeue [2021-12-18 06:47:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_data_dev_size [2021-12-18 06:47:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_data_dev_size [2021-12-18 06:47:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 06:47:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 06:47:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_copy_root [2021-12-18 06:47:22,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_copy_root [2021-12-18 06:47:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-12-18 06:47:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-12-18 06:47:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_17 [2021-12-18 06:47:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_17 [2021-12-18 06:47:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-12-18 06:47:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-12-18 06:47:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 06:47:22,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 06:47:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure break_sharing [2021-12-18 06:47:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure break_sharing [2021-12-18 06:47:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 06:47:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_metadata_close [2021-12-18 06:47:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_metadata_close [2021-12-18 06:47:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-12-18 06:47:22,063 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-12-18 06:47:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-18 06:47:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-18 06:47:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-18 06:47:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-18 06:47:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_thin [2021-12-18 06:47:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_thin [2021-12-18 06:47:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 06:47:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2021-12-18 06:47:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2021-12-18 06:47:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2021-12-18 06:47:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2021-12-18 06:47:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure do_no_space_timeout [2021-12-18 06:47:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure do_no_space_timeout [2021-12-18 06:47:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_from_per_bio_data [2021-12-18 06:47:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_from_per_bio_data [2021-12-18 06:47:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2021-12-18 06:47:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2021-12-18 06:47:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure pool_iterate_devices [2021-12-18 06:47:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_iterate_devices [2021-12-18 06:47:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-12-18 06:47:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-12-18 06:47:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2021-12-18 06:47:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2021-12-18 06:47:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 06:47:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 06:47:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure save_sm_roots [2021-12-18 06:47:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure save_sm_roots [2021-12-18 06:47:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure __complete_mapping_preparation [2021-12-18 06:47:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __complete_mapping_preparation [2021-12-18 06:47:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 06:47:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 06:47:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure error_retry_list [2021-12-18 06:47:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure error_retry_list [2021-12-18 06:47:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_discard_passdown [2021-12-18 06:47:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_discard_passdown [2021-12-18 06:47:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-18 06:47:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-18 06:47:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:47:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 06:47:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_empty [2021-12-18 06:47:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_empty [2021-12-18 06:47:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2021-12-18 06:47:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2021-12-18 06:47:22,072 INFO L130 BoogieDeclarations]: Found specification of procedure to_noflush [2021-12-18 06:47:22,072 INFO L138 BoogieDeclarations]: Found implementation of procedure to_noflush [2021-12-18 06:47:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure block_to_sectors [2021-12-18 06:47:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure block_to_sectors [2021-12-18 06:47:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-18 06:47:22,073 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-18 06:47:22,073 INFO L130 BoogieDeclarations]: Found specification of procedure pool_status [2021-12-18 06:47:22,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_status [2021-12-18 06:47:22,074 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_block_time [2021-12-18 06:47:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_block_time [2021-12-18 06:47:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure error_thin_bio_list [2021-12-18 06:47:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure error_thin_bio_list [2021-12-18 06:47:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2021-12-18 06:47:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2021-12-18 06:47:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 06:47:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 06:47:22,075 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 06:47:22,075 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 06:47:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_cell_passdown [2021-12-18 06:47:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_cell_passdown [2021-12-18 06:47:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure thin_defer_cell [2021-12-18 06:47:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_defer_cell [2021-12-18 06:47:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-18 06:47:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-18 06:47:22,076 INFO L130 BoogieDeclarations]: Found specification of procedure copy_complete [2021-12-18 06:47:22,076 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_complete [2021-12-18 06:47:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-18 06:47:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-18 06:47:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure __resize_space_map [2021-12-18 06:47:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __resize_space_map [2021-12-18 06:47:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure pool_presuspend [2021-12-18 06:47:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_presuspend [2021-12-18 06:47:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure inc_remap_and_issue_cell [2021-12-18 06:47:22,077 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_remap_and_issue_cell [2021-12-18 06:47:22,077 INFO L130 BoogieDeclarations]: Found specification of procedure pool_message [2021-12-18 06:47:22,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_message [2021-12-18 06:47:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 06:47:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 06:47:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure break_up_discard_bio [2021-12-18 06:47:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure break_up_discard_bio [2021-12-18 06:47:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure process_discard_cell_no_passdown [2021-12-18 06:47:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure process_discard_cell_no_passdown [2021-12-18 06:47:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_inc_block [2021-12-18 06:47:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_inc_block [2021-12-18 06:47:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_block_is_used [2021-12-18 06:47:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_block_is_used [2021-12-18 06:47:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 06:47:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 06:47:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoull [2021-12-18 06:47:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoull [2021-12-18 06:47:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2021-12-18 06:47:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2021-12-18 06:47:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-18 06:47:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-18 06:47:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2021-12-18 06:47:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2021-12-18 06:47:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_mapping [2021-12-18 06:47:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_mapping [2021-12-18 06:47:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 06:47:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 06:47:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 06:47:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 06:47:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2021-12-18 06:47:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2021-12-18 06:47:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_26 [2021-12-18 06:47:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_26 [2021-12-18 06:47:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2021-12-18 06:47:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2021-12-18 06:47:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure process_thin_deferred_bios [2021-12-18 06:47:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure process_thin_deferred_bios [2021-12-18 06:47:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-18 06:47:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-18 06:47:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2021-12-18 06:47:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2021-12-18 06:47:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-18 06:47:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-18 06:47:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_issue_prefetches [2021-12-18 06:47:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_issue_prefetches [2021-12-18 06:47:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure thin_postsuspend [2021-12-18 06:47:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_postsuspend [2021-12-18 06:47:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure __process_bio_read_only [2021-12-18 06:47:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __process_bio_read_only [2021-12-18 06:47:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_bios [2021-12-18 06:47:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_bios [2021-12-18 06:47:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure thin_map [2021-12-18 06:47:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_map [2021-12-18 06:47:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure pool_presuspend_undo [2021-12-18 06:47:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_presuspend_undo [2021-12-18 06:47:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 06:47:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 06:47:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 06:47:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 06:47:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-18 06:47:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-18 06:47:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure process_prepared_discard_no_passdown [2021-12-18 06:47:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure process_prepared_discard_no_passdown [2021-12-18 06:47:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure __begin_transaction [2021-12-18 06:47:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __begin_transaction [2021-12-18 06:47:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure pool_postsuspend [2021-12-18 06:47:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_postsuspend [2021-12-18 06:47:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 06:47:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 06:47:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 06:47:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 06:47:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2021-12-18 06:47:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2021-12-18 06:47:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-18 06:47:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-18 06:47:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_resize_metadata_dev [2021-12-18 06:47:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_resize_metadata_dev [2021-12-18 06:47:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure __open_device [2021-12-18 06:47:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_device [2021-12-18 06:47:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_destroy [2021-12-18 06:47:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_destroy [2021-12-18 06:47:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 06:47:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 06:47:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_dm_thin_pool_table [2021-12-18 06:47:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_dm_thin_pool_table [2021-12-18 06:47:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2021-12-18 06:47:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2021-12-18 06:47:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-18 06:47:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-18 06:47:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put [2021-12-18 06:47:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put [2021-12-18 06:47:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 06:47:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 06:47:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 06:47:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_dec [2021-12-18 06:47:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_dec [2021-12-18 06:47:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-18 06:47:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-18 06:47:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure build_virtual_key [2021-12-18 06:47:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure build_virtual_key [2021-12-18 06:47:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 06:47:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_inc [2021-12-18 06:47:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_inc [2021-12-18 06:47:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2021-12-18 06:47:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2021-12-18 06:47:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_block_t~0~TO~int [2021-12-18 06:47:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_block_t~0~TO~int [2021-12-18 06:47:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2021-12-18 06:47:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2021-12-18 06:47:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-18 06:47:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-18 06:47:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_close_thin_device [2021-12-18 06:47:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_close_thin_device [2021-12-18 06:47:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure set_pool_mode [2021-12-18 06:47:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pool_mode [2021-12-18 06:47:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2021-12-18 06:47:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2021-12-18 06:47:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_resize_data_dev [2021-12-18 06:47:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_resize_data_dev [2021-12-18 06:47:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-12-18 06:47:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-12-18 06:47:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_id [2021-12-18 06:47:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_id [2021-12-18 06:47:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 06:47:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2021-12-18 06:47:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2021-12-18 06:47:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_and_issue [2021-12-18 06:47:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_and_issue [2021-12-18 06:47:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_commit [2021-12-18 06:47:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_commit [2021-12-18 06:47:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 06:47:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 06:47:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-18 06:47:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-18 06:47:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-18 06:47:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-18 06:47:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure __merge_bio_list [2021-12-18 06:47:22,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __merge_bio_list [2021-12-18 06:47:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_dec_block [2021-12-18 06:47:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_dec_block [2021-12-18 06:47:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure pool_dtr [2021-12-18 06:47:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_dtr [2021-12-18 06:47:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure get_first_thin [2021-12-18 06:47:22,139 INFO L138 BoogieDeclarations]: Found implementation of procedure get_first_thin [2021-12-18 06:47:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 06:47:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 06:47:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2021-12-18 06:47:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2021-12-18 06:47:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_commit_metadata [2021-12-18 06:47:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_commit_metadata [2021-12-18 06:47:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-18 06:47:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-18 06:47:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-18 06:47:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-18 06:47:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_pool_mode [2021-12-18 06:47:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pool_mode [2021-12-18 06:47:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure notify_of_pool_mode_change [2021-12-18 06:47:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_of_pool_mode_change [2021-12-18 06:47:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-18 06:47:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-18 06:47:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 06:47:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 06:47:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue_overwrite [2021-12-18 06:47:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue_overwrite [2021-12-18 06:47:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_insert [2021-12-18 06:47:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_insert [2021-12-18 06:47:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2021-12-18 06:47:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2021-12-18 06:47:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure throttle_unlock [2021-12-18 06:47:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle_unlock [2021-12-18 06:47:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure io_overwrites_block [2021-12-18 06:47:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure io_overwrites_block [2021-12-18 06:47:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure build_data_key [2021-12-18 06:47:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure build_data_key [2021-12-18 06:47:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2021-12-18 06:47:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2021-12-18 06:47:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure process_bio [2021-12-18 06:47:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure process_bio [2021-12-18 06:47:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_create [2021-12-18 06:47:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_create [2021-12-18 06:47:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure zero_fill_bio [2021-12-18 06:47:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_fill_bio [2021-12-18 06:47:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure thin_iterate_devices [2021-12-18 06:47:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_iterate_devices [2021-12-18 06:47:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2021-12-18 06:47:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2021-12-18 06:47:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure provision_block [2021-12-18 06:47:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure provision_block [2021-12-18 06:47:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 06:47:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 06:47:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure __open_metadata [2021-12-18 06:47:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_metadata [2021-12-18 06:47:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_rcu [2021-12-18 06:47:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_rcu [2021-12-18 06:47:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure issue_discard [2021-12-18 06:47:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_discard [2021-12-18 06:47:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure dm_device_name [2021-12-18 06:47:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_device_name [2021-12-18 06:47:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_dm_thin_pool_table [2021-12-18 06:47:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_dm_thin_pool_table [2021-12-18 06:47:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 06:47:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 06:47:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2021-12-18 06:47:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2021-12-18 06:47:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-12-18 06:47:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-12-18 06:47:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 06:47:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue_shared_cell [2021-12-18 06:47:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue_shared_cell [2021-12-18 06:47:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_zero [2021-12-18 06:47:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_zero [2021-12-18 06:47:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_btree_details [2021-12-18 06:47:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_btree_details [2021-12-18 06:47:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 06:47:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 06:47:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_get_free_block_count [2021-12-18 06:47:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_get_free_block_count [2021-12-18 06:47:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure pool_map [2021-12-18 06:47:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_map [2021-12-18 06:47:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure __commit_transaction [2021-12-18 06:47:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __commit_transaction [2021-12-18 06:47:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure dm_btree_lookup [2021-12-18 06:47:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_btree_lookup [2021-12-18 06:47:22,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 06:47:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 06:47:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure error_bio_list [2021-12-18 06:47:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bio_list [2021-12-18 06:47:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure pool_work_complete [2021-12-18 06:47:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_work_complete [2021-12-18 06:47:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer_no_holder [2021-12-18 06:47:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer_no_holder [2021-12-18 06:47:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2021-12-18 06:47:22,156 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2021-12-18 06:47:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure retry_on_resume [2021-12-18 06:47:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_on_resume [2021-12-18 06:47:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 06:47:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 06:47:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure pool_merge [2021-12-18 06:47:22,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_merge [2021-12-18 06:47:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure cell_error [2021-12-18 06:47:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_error [2021-12-18 06:47:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-12-18 06:47:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-12-18 06:47:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-18 06:47:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-18 06:47:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure dm_pool_abort_metadata [2021-12-18 06:47:22,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_pool_abort_metadata [2021-12-18 06:47:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-12-18 06:47:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2021-12-18 06:47:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_inc [2021-12-18 06:47:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_inc [2021-12-18 06:47:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2021-12-18 06:47:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2021-12-18 06:47:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure check_arg_count [2021-12-18 06:47:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure check_arg_count [2021-12-18 06:47:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_get_nr_blocks [2021-12-18 06:47:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_get_nr_blocks [2021-12-18 06:47:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure remap_and_issue [2021-12-18 06:47:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_and_issue [2021-12-18 06:47:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 06:47:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 06:47:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2021-12-18 06:47:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2021-12-18 06:47:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure __pool_dec [2021-12-18 06:47:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __pool_dec [2021-12-18 06:47:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure dm_deferred_set_destroy [2021-12-18 06:47:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_deferred_set_destroy [2021-12-18 06:47:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure process_shared_bio [2021-12-18 06:47:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure process_shared_bio [2021-12-18 06:47:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2021-12-18 06:47:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2021-12-18 06:47:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2021-12-18 06:47:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2021-12-18 06:47:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 06:47:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 06:47:22,162 INFO L130 BoogieDeclarations]: Found specification of procedure thin_dtr [2021-12-18 06:47:22,162 INFO L138 BoogieDeclarations]: Found implementation of procedure thin_dtr [2021-12-18 06:47:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2021-12-18 06:47:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure __write_initial_superblock [2021-12-18 06:47:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __write_initial_superblock [2021-12-18 06:47:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2021-12-18 06:47:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2021-12-18 06:47:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_next_mapping [2021-12-18 06:47:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_next_mapping [2021-12-18 06:47:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2021-12-18 06:47:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2021-12-18 06:47:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure handle_unserviceable_bio [2021-12-18 06:47:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_unserviceable_bio [2021-12-18 06:47:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 06:47:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 06:47:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2021-12-18 06:47:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2021-12-18 06:47:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_copy [2021-12-18 06:47:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_copy [2021-12-18 06:47:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-12-18 06:47:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-12-18 06:47:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 06:47:22,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 06:47:22,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 06:47:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2021-12-18 06:47:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2021-12-18 06:47:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-18 06:47:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-18 06:47:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-18 06:47:22,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-18 06:47:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2021-12-18 06:47:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2021-12-18 06:47:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure process_thin_deferred_cells [2021-12-18 06:47:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure process_thin_deferred_cells [2021-12-18 06:47:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure pool_resume [2021-12-18 06:47:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure pool_resume [2021-12-18 06:47:23,513 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 06:47:23,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 06:47:23,887 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 06:47:35,616 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 06:47:35,651 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 06:47:35,652 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 06:47:35,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:47:35 BoogieIcfgContainer [2021-12-18 06:47:35,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 06:47:35,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 06:47:35,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 06:47:35,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 06:47:35,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 06:47:15" (1/3) ... [2021-12-18 06:47:35,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b0b2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:47:35, skipping insertion in model container [2021-12-18 06:47:35,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 06:47:21" (2/3) ... [2021-12-18 06:47:35,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b0b2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 06:47:35, skipping insertion in model container [2021-12-18 06:47:35,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 06:47:35" (3/3) ... [2021-12-18 06:47:35,668 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-thin-pool.ko-entry_point.cil.out.i [2021-12-18 06:47:35,673 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 06:47:35,674 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 06:47:35,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 06:47:35,745 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 06:47:35,745 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 06:47:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 4417 states, 2877 states have (on average 1.29683698296837) internal successors, (3731), 2997 states have internal predecessors, (3731), 1252 states have call successors, (1252), 287 states have call predecessors, (1252), 286 states have return successors, (1244), 1206 states have call predecessors, (1244), 1244 states have call successors, (1244) [2021-12-18 06:47:35,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2021-12-18 06:47:35,839 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:47:35,840 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:47:35,841 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:47:35,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:47:35,846 INFO L85 PathProgramCache]: Analyzing trace with hash 940137217, now seen corresponding path program 1 times [2021-12-18 06:47:35,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:47:35,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409636745] [2021-12-18 06:47:35,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:47:35,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:47:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:47:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:47:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:47:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:47:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:47:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:47:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:47:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:47:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:47:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:47:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:47:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:47:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:47:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:47:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:47:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:47:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:47:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:47:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:47:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:47:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:47:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:47:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:47:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:47:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:47:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:47:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:47:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:47:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:47:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:47:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-12-18 06:47:37,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:47:37,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409636745] [2021-12-18 06:47:37,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409636745] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:47:37,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:47:37,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 06:47:37,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186645832] [2021-12-18 06:47:37,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:47:37,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 06:47:37,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:47:37,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 06:47:37,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 06:47:37,476 INFO L87 Difference]: Start difference. First operand has 4417 states, 2877 states have (on average 1.29683698296837) internal successors, (3731), 2997 states have internal predecessors, (3731), 1252 states have call successors, (1252), 287 states have call predecessors, (1252), 286 states have return successors, (1244), 1206 states have call predecessors, (1244), 1244 states have call successors, (1244) Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 06:47:45,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:47:49,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:47:52,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:47:52,507 INFO L93 Difference]: Finished difference Result 9809 states and 14569 transitions. [2021-12-18 06:47:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 06:47:52,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 426 [2021-12-18 06:47:52,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:47:52,580 INFO L225 Difference]: With dead ends: 9809 [2021-12-18 06:47:52,581 INFO L226 Difference]: Without dead ends: 5369 [2021-12-18 06:47:52,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:47:52,622 INFO L933 BasicCegarLoop]: 5758 mSDtfsCounter, 5175 mSDsluCounter, 2831 mSDsCounter, 0 mSdLazyCounter, 2958 mSolverCounterSat, 5561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5347 SdHoareTripleChecker+Valid, 8589 SdHoareTripleChecker+Invalid, 8521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5561 IncrementalHoareTripleChecker+Valid, 2958 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-12-18 06:47:52,623 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5347 Valid, 8589 Invalid, 8521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5561 Valid, 2958 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2021-12-18 06:47:52,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5369 states. [2021-12-18 06:47:52,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5369 to 4390. [2021-12-18 06:47:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4390 states, 2860 states have (on average 1.2905594405594405) internal successors, (3691), 2970 states have internal predecessors, (3691), 1244 states have call successors, (1244), 286 states have call predecessors, (1244), 285 states have return successors, (1238), 1200 states have call predecessors, (1238), 1238 states have call successors, (1238) [2021-12-18 06:47:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 6173 transitions. [2021-12-18 06:47:52,949 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 6173 transitions. Word has length 426 [2021-12-18 06:47:52,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:47:52,950 INFO L470 AbstractCegarLoop]: Abstraction has 4390 states and 6173 transitions. [2021-12-18 06:47:52,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (35), 5 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2021-12-18 06:47:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 6173 transitions. [2021-12-18 06:47:52,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2021-12-18 06:47:52,964 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:47:52,964 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:47:52,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 06:47:52,965 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:47:52,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:47:52,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1043612449, now seen corresponding path program 1 times [2021-12-18 06:47:52,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:47:52,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952844376] [2021-12-18 06:47:52,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:47:52,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:47:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:47:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:47:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:47:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:47:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:47:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:47:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:47:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:47:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:47:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:47:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:47:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:47:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:47:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:47:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:47:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:47:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:47:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:47:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:47:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:47:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:47:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:47:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:47:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:47:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:47:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:53,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:47:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:47:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:47:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:47:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:47:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:47:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:47:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:47:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-12-18 06:47:54,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:47:54,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952844376] [2021-12-18 06:47:54,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952844376] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:47:54,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:47:54,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:47:54,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233324694] [2021-12-18 06:47:54,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:47:54,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:47:54,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:47:54,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:47:54,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:47:54,117 INFO L87 Difference]: Start difference. First operand 4390 states and 6173 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 06:48:06,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:12,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:14,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:18,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:48:18,448 INFO L93 Difference]: Finished difference Result 13982 states and 20129 transitions. [2021-12-18 06:48:18,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 06:48:18,449 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 426 [2021-12-18 06:48:18,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:48:18,530 INFO L225 Difference]: With dead ends: 13982 [2021-12-18 06:48:18,530 INFO L226 Difference]: Without dead ends: 9658 [2021-12-18 06:48:18,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:48:18,560 INFO L933 BasicCegarLoop]: 7138 mSDtfsCounter, 12986 mSDsluCounter, 8323 mSDsCounter, 0 mSdLazyCounter, 6409 mSolverCounterSat, 10366 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13661 SdHoareTripleChecker+Valid, 15461 SdHoareTripleChecker+Invalid, 16778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10366 IncrementalHoareTripleChecker+Valid, 6409 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2021-12-18 06:48:18,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13661 Valid, 15461 Invalid, 16778 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10366 Valid, 6409 Invalid, 3 Unknown, 0 Unchecked, 23.5s Time] [2021-12-18 06:48:18,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9658 states. [2021-12-18 06:48:19,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9658 to 7876. [2021-12-18 06:48:19,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7876 states, 5106 states have (on average 1.2839796318057188) internal successors, (6556), 5318 states have internal predecessors, (6556), 2211 states have call successors, (2211), 559 states have call predecessors, (2211), 558 states have return successors, (2205), 2128 states have call predecessors, (2205), 2205 states have call successors, (2205) [2021-12-18 06:48:19,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7876 states to 7876 states and 10972 transitions. [2021-12-18 06:48:19,102 INFO L78 Accepts]: Start accepts. Automaton has 7876 states and 10972 transitions. Word has length 426 [2021-12-18 06:48:19,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:48:19,104 INFO L470 AbstractCegarLoop]: Abstraction has 7876 states and 10972 transitions. [2021-12-18 06:48:19,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 06:48:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 7876 states and 10972 transitions. [2021-12-18 06:48:19,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-12-18 06:48:19,114 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:48:19,114 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:48:19,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 06:48:19,115 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:48:19,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:48:19,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1732217699, now seen corresponding path program 1 times [2021-12-18 06:48:19,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:48:19,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866563583] [2021-12-18 06:48:19,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:48:19,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:48:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:48:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:48:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:48:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:48:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:48:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:48:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:48:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:48:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:48:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:48:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:48:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:48:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:48:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:48:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:48:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:48:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:48:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:48:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:48:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:48:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:48:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:48:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:48:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:48:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:48:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:48:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:48:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:48:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:48:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:48:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-12-18 06:48:20,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:48:20,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866563583] [2021-12-18 06:48:20,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866563583] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:48:20,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:48:20,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:48:20,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663219463] [2021-12-18 06:48:20,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:48:20,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:48:20,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:48:20,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:48:20,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:48:20,010 INFO L87 Difference]: Start difference. First operand 7876 states and 10972 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 06:48:33,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:36,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:38,231 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:49,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:51,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:48:57,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:48:57,970 INFO L93 Difference]: Finished difference Result 26235 states and 37597 transitions. [2021-12-18 06:48:57,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 06:48:57,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 432 [2021-12-18 06:48:57,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:48:58,137 INFO L225 Difference]: With dead ends: 26235 [2021-12-18 06:48:58,137 INFO L226 Difference]: Without dead ends: 18425 [2021-12-18 06:48:58,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:48:58,195 INFO L933 BasicCegarLoop]: 8559 mSDtfsCounter, 9641 mSDsluCounter, 14196 mSDsCounter, 0 mSdLazyCounter, 12181 mSolverCounterSat, 6776 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10441 SdHoareTripleChecker+Valid, 22755 SdHoareTripleChecker+Invalid, 18961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6776 IncrementalHoareTripleChecker+Valid, 12181 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.9s IncrementalHoareTripleChecker+Time [2021-12-18 06:48:58,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10441 Valid, 22755 Invalid, 18961 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6776 Valid, 12181 Invalid, 4 Unknown, 0 Unchecked, 36.9s Time] [2021-12-18 06:48:58,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18425 states. [2021-12-18 06:48:58,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18425 to 14965. [2021-12-18 06:48:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14965 states, 9680 states have (on average 1.2792355371900825) internal successors, (12383), 10095 states have internal predecessors, (12383), 4190 states have call successors, (4190), 1095 states have call predecessors, (4190), 1094 states have return successors, (4184), 4030 states have call predecessors, (4184), 4184 states have call successors, (4184) [2021-12-18 06:48:59,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14965 states to 14965 states and 20757 transitions. [2021-12-18 06:48:59,101 INFO L78 Accepts]: Start accepts. Automaton has 14965 states and 20757 transitions. Word has length 432 [2021-12-18 06:48:59,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:48:59,106 INFO L470 AbstractCegarLoop]: Abstraction has 14965 states and 20757 transitions. [2021-12-18 06:48:59,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2021-12-18 06:48:59,106 INFO L276 IsEmpty]: Start isEmpty. Operand 14965 states and 20757 transitions. [2021-12-18 06:48:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-12-18 06:48:59,110 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:48:59,110 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:48:59,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 06:48:59,111 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:48:59,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:48:59,111 INFO L85 PathProgramCache]: Analyzing trace with hash -288628472, now seen corresponding path program 1 times [2021-12-18 06:48:59,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:48:59,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586461529] [2021-12-18 06:48:59,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:48:59,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:48:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:48:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:48:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:48:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:48:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:48:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:48:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:48:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:48:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:48:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:48:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:48:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:48:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:48:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:48:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:48:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:48:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:48:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:48:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:48:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:48:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:48:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:48:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:48:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:48:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:48:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:48:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:48:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:48:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:48:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:48:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:49:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:49:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:49:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 06:49:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-12-18 06:49:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2502 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2502 trivial. 0 not checked. [2021-12-18 06:49:00,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:49:00,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586461529] [2021-12-18 06:49:00,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586461529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:49:00,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:49:00,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:49:00,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268092417] [2021-12-18 06:49:00,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:49:00,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:49:00,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:49:00,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:49:00,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:49:00,083 INFO L87 Difference]: Start difference. First operand 14965 states and 20757 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:49:04,327 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 [] [2021-12-18 06:49:17,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:49:19,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:49:30,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:49:32,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:49:40,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:49:40,692 INFO L93 Difference]: Finished difference Result 51482 states and 73720 transitions. [2021-12-18 06:49:40,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 06:49:40,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 439 [2021-12-18 06:49:40,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:49:40,954 INFO L225 Difference]: With dead ends: 51482 [2021-12-18 06:49:40,954 INFO L226 Difference]: Without dead ends: 36593 [2021-12-18 06:49:41,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:49:41,035 INFO L933 BasicCegarLoop]: 10078 mSDtfsCounter, 9501 mSDsluCounter, 16685 mSDsCounter, 0 mSdLazyCounter, 13000 mSolverCounterSat, 6136 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10340 SdHoareTripleChecker+Valid, 26763 SdHoareTripleChecker+Invalid, 19140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6136 IncrementalHoareTripleChecker+Valid, 13000 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:49:41,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10340 Valid, 26763 Invalid, 19140 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6136 Valid, 13000 Invalid, 4 Unknown, 0 Unchecked, 38.8s Time] [2021-12-18 06:49:41,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36593 states. [2021-12-18 06:49:42,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36593 to 29686. [2021-12-18 06:49:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29686 states, 19217 states have (on average 1.2794921163553103) internal successors, (24588), 20031 states have internal predecessors, (24588), 8293 states have call successors, (8293), 2176 states have call predecessors, (8293), 2175 states have return successors, (8287), 7986 states have call predecessors, (8287), 8287 states have call successors, (8287) [2021-12-18 06:49:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29686 states to 29686 states and 41168 transitions. [2021-12-18 06:49:42,706 INFO L78 Accepts]: Start accepts. Automaton has 29686 states and 41168 transitions. Word has length 439 [2021-12-18 06:49:42,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:49:42,707 INFO L470 AbstractCegarLoop]: Abstraction has 29686 states and 41168 transitions. [2021-12-18 06:49:42,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:49:42,707 INFO L276 IsEmpty]: Start isEmpty. Operand 29686 states and 41168 transitions. [2021-12-18 06:49:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-12-18 06:49:42,710 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:49:42,710 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:49:42,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 06:49:42,711 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:49:42,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:49:42,711 INFO L85 PathProgramCache]: Analyzing trace with hash -807569075, now seen corresponding path program 1 times [2021-12-18 06:49:42,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:49:42,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900238780] [2021-12-18 06:49:42,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:49:42,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:49:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:49:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:49:43,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:49:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:49:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:49:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:49:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:49:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:49:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:49:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:49:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:49:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:49:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:49:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:49:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:49:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:49:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:49:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:49:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:49:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:49:43,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:49:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:49:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:49:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:49:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:49:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:49:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:49:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:49:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:49:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:49:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:49:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:49:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:49:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:49:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:49:44,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-12-18 06:49:44,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:49:44,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900238780] [2021-12-18 06:49:44,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900238780] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:49:44,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:49:44,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:49:44,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563330242] [2021-12-18 06:49:44,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:49:44,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:49:44,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:49:44,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:49:44,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:49:44,135 INFO L87 Difference]: Start difference. First operand 29686 states and 41168 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:49:52,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:49:57,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:00,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:50:00,661 INFO L93 Difference]: Finished difference Result 36576 states and 53037 transitions. [2021-12-18 06:50:00,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:50:00,662 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 444 [2021-12-18 06:50:00,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:50:00,861 INFO L225 Difference]: With dead ends: 36576 [2021-12-18 06:50:00,861 INFO L226 Difference]: Without dead ends: 36573 [2021-12-18 06:50:00,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:50:00,893 INFO L933 BasicCegarLoop]: 5648 mSDtfsCounter, 9479 mSDsluCounter, 4586 mSDsCounter, 0 mSdLazyCounter, 4520 mSolverCounterSat, 5165 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10146 SdHoareTripleChecker+Valid, 10234 SdHoareTripleChecker+Invalid, 9687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5165 IncrementalHoareTripleChecker+Valid, 4520 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2021-12-18 06:50:00,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10146 Valid, 10234 Invalid, 9687 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5165 Valid, 4520 Invalid, 2 Unknown, 0 Unchecked, 15.6s Time] [2021-12-18 06:50:00,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36573 states. [2021-12-18 06:50:02,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36573 to 29685. [2021-12-18 06:50:02,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29685 states, 19217 states have (on average 1.2794400790966332) internal successors, (24587), 20030 states have internal predecessors, (24587), 8292 states have call successors, (8292), 2176 states have call predecessors, (8292), 2175 states have return successors, (8287), 7986 states have call predecessors, (8287), 8287 states have call successors, (8287) [2021-12-18 06:50:02,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29685 states to 29685 states and 41166 transitions. [2021-12-18 06:50:02,567 INFO L78 Accepts]: Start accepts. Automaton has 29685 states and 41166 transitions. Word has length 444 [2021-12-18 06:50:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:50:02,569 INFO L470 AbstractCegarLoop]: Abstraction has 29685 states and 41166 transitions. [2021-12-18 06:50:02,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:50:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29685 states and 41166 transitions. [2021-12-18 06:50:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2021-12-18 06:50:02,780 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:50:02,781 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:50:02,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 06:50:02,781 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:50:02,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:50:02,781 INFO L85 PathProgramCache]: Analyzing trace with hash 732895827, now seen corresponding path program 1 times [2021-12-18 06:50:02,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:50:02,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95655551] [2021-12-18 06:50:02,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:50:02,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:50:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:50:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:50:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:50:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:50:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:50:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:50:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:50:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:50:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:50:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:50:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:50:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:50:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:50:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:50:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:50:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:50:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:50:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:50:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:50:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:50:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:50:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:50:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:50:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:50:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:50:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:50:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:50:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:50:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:50:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:50:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:50:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:50:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-12-18 06:50:03,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:50:03,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95655551] [2021-12-18 06:50:03,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95655551] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:50:03,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:50:03,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:50:03,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490068423] [2021-12-18 06:50:03,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:50:03,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:50:03,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:50:03,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:50:03,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:50:03,956 INFO L87 Difference]: Start difference. First operand 29685 states and 41166 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:50:11,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:14,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:19,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:22,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:50:22,789 INFO L93 Difference]: Finished difference Result 36575 states and 53035 transitions. [2021-12-18 06:50:22,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:50:22,793 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 445 [2021-12-18 06:50:22,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:50:22,955 INFO L225 Difference]: With dead ends: 36575 [2021-12-18 06:50:22,955 INFO L226 Difference]: Without dead ends: 36572 [2021-12-18 06:50:22,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:50:22,978 INFO L933 BasicCegarLoop]: 5624 mSDtfsCounter, 9489 mSDsluCounter, 4569 mSDsCounter, 0 mSdLazyCounter, 4520 mSolverCounterSat, 5160 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10153 SdHoareTripleChecker+Valid, 10193 SdHoareTripleChecker+Invalid, 9683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5160 IncrementalHoareTripleChecker+Valid, 4520 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2021-12-18 06:50:22,979 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10153 Valid, 10193 Invalid, 9683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5160 Valid, 4520 Invalid, 3 Unknown, 0 Unchecked, 17.8s Time] [2021-12-18 06:50:23,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36572 states. [2021-12-18 06:50:24,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36572 to 29684. [2021-12-18 06:50:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29684 states, 19217 states have (on average 1.279388041837956) internal successors, (24586), 20029 states have internal predecessors, (24586), 8291 states have call successors, (8291), 2176 states have call predecessors, (8291), 2175 states have return successors, (8287), 7986 states have call predecessors, (8287), 8287 states have call successors, (8287) [2021-12-18 06:50:24,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29684 states to 29684 states and 41164 transitions. [2021-12-18 06:50:24,449 INFO L78 Accepts]: Start accepts. Automaton has 29684 states and 41164 transitions. Word has length 445 [2021-12-18 06:50:24,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:50:24,450 INFO L470 AbstractCegarLoop]: Abstraction has 29684 states and 41164 transitions. [2021-12-18 06:50:24,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:50:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 29684 states and 41164 transitions. [2021-12-18 06:50:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2021-12-18 06:50:24,454 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:50:24,455 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:50:24,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 06:50:24,455 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:50:24,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:50:24,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1242672400, now seen corresponding path program 1 times [2021-12-18 06:50:24,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:50:24,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091969929] [2021-12-18 06:50:24,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:50:24,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:50:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:50:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:50:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:50:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:50:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:50:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:50:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:50:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:50:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:50:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:50:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:50:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:50:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:50:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:50:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:50:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:50:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:50:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:50:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:50:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:50:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:50:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:50:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:50:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:50:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:50:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:50:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:50:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:50:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:50:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:50:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:50:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:50:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-12-18 06:50:25,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:50:25,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091969929] [2021-12-18 06:50:25,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091969929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:50:25,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:50:25,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:50:25,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927567406] [2021-12-18 06:50:25,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:50:25,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:50:25,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:50:25,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:50:25,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:50:25,816 INFO L87 Difference]: Start difference. First operand 29684 states and 41164 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:50:33,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:38,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:41,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:50:41,084 INFO L93 Difference]: Finished difference Result 36574 states and 53033 transitions. [2021-12-18 06:50:41,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 06:50:41,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 446 [2021-12-18 06:50:41,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:50:41,335 INFO L225 Difference]: With dead ends: 36574 [2021-12-18 06:50:41,335 INFO L226 Difference]: Without dead ends: 36571 [2021-12-18 06:50:41,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:50:41,353 INFO L933 BasicCegarLoop]: 5679 mSDtfsCounter, 10589 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 6793 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11249 SdHoareTripleChecker+Valid, 8489 SdHoareTripleChecker+Invalid, 9859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6793 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-12-18 06:50:41,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11249 Valid, 8489 Invalid, 9859 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6793 Valid, 3064 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2021-12-18 06:50:41,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36571 states. [2021-12-18 06:50:42,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36571 to 29683. [2021-12-18 06:50:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29683 states, 19217 states have (on average 1.2793360045792788) internal successors, (24585), 20028 states have internal predecessors, (24585), 8290 states have call successors, (8290), 2176 states have call predecessors, (8290), 2175 states have return successors, (8287), 7986 states have call predecessors, (8287), 8287 states have call successors, (8287) [2021-12-18 06:50:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29683 states to 29683 states and 41162 transitions. [2021-12-18 06:50:42,656 INFO L78 Accepts]: Start accepts. Automaton has 29683 states and 41162 transitions. Word has length 446 [2021-12-18 06:50:42,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:50:42,656 INFO L470 AbstractCegarLoop]: Abstraction has 29683 states and 41162 transitions. [2021-12-18 06:50:42,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:50:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 29683 states and 41162 transitions. [2021-12-18 06:50:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-12-18 06:50:42,659 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:50:42,660 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:50:42,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 06:50:42,660 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:50:42,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:50:42,661 INFO L85 PathProgramCache]: Analyzing trace with hash -134118154, now seen corresponding path program 1 times [2021-12-18 06:50:42,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:50:42,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562851796] [2021-12-18 06:50:42,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:50:42,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:50:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:50:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:50:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:50:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:50:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:50:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:50:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:50:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:50:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:50:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:50:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:50:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:50:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:50:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:50:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:50:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:50:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:50:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:50:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:50:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:50:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:50:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:50:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:50:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:50:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:50:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:50:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:50:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:50:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:50:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:50:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:50:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:50:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:50:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:50:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:50:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2499 trivial. 0 not checked. [2021-12-18 06:50:43,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:50:43,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562851796] [2021-12-18 06:50:43,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562851796] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:50:43,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:50:43,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 06:50:43,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720676481] [2021-12-18 06:50:43,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:50:43,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 06:50:43,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:50:43,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 06:50:43,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 06:50:43,859 INFO L87 Difference]: Start difference. First operand 29683 states and 41162 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:50:56,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:50:58,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:07,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:09,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:12,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:14,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:22,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:51:22,543 INFO L93 Difference]: Finished difference Result 95678 states and 139025 transitions. [2021-12-18 06:51:22,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 06:51:22,545 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 447 [2021-12-18 06:51:22,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:51:23,050 INFO L225 Difference]: With dead ends: 95678 [2021-12-18 06:51:23,051 INFO L226 Difference]: Without dead ends: 66058 [2021-12-18 06:51:23,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:51:23,238 INFO L933 BasicCegarLoop]: 7331 mSDtfsCounter, 10387 mSDsluCounter, 11568 mSDsCounter, 0 mSdLazyCounter, 10544 mSolverCounterSat, 6986 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11078 SdHoareTripleChecker+Valid, 18899 SdHoareTripleChecker+Invalid, 17536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6986 IncrementalHoareTripleChecker+Valid, 10544 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:51:23,238 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11078 Valid, 18899 Invalid, 17536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6986 Valid, 10544 Invalid, 6 Unknown, 0 Unchecked, 36.0s Time] [2021-12-18 06:51:23,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66058 states. [2021-12-18 06:51:25,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66058 to 56576. [2021-12-18 06:51:25,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56576 states, 36389 states have (on average 1.267168649866718) internal successors, (46111), 38155 states have internal predecessors, (46111), 15644 states have call successors, (15644), 4188 states have call predecessors, (15644), 4542 states have return successors, (17521), 15232 states have call predecessors, (17521), 15637 states have call successors, (17521) [2021-12-18 06:51:26,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56576 states to 56576 states and 79276 transitions. [2021-12-18 06:51:26,263 INFO L78 Accepts]: Start accepts. Automaton has 56576 states and 79276 transitions. Word has length 447 [2021-12-18 06:51:26,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:51:26,264 INFO L470 AbstractCegarLoop]: Abstraction has 56576 states and 79276 transitions. [2021-12-18 06:51:26,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-12-18 06:51:26,264 INFO L276 IsEmpty]: Start isEmpty. Operand 56576 states and 79276 transitions. [2021-12-18 06:51:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2021-12-18 06:51:26,273 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:51:26,273 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 14, 14, 14, 14, 14, 14, 14, 14, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:51:26,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 06:51:26,273 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:51:26,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:51:26,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1056170268, now seen corresponding path program 1 times [2021-12-18 06:51:26,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:51:26,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383808906] [2021-12-18 06:51:26,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:51:26,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:51:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:51:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:51:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:51:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:51:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:51:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:51:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:51:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:51:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:51:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:51:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:51:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:51:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:51:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:51:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:51:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:51:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:51:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:51:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:51:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:51:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:51:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:51:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:51:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:51:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:51:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:51:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:51:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:51:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:51:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:51:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:51:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:51:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 06:51:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 06:51:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 06:51:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 06:51:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:51:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:51:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 06:51:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-18 06:51:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:51:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3215 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3215 trivial. 0 not checked. [2021-12-18 06:51:27,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:51:27,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383808906] [2021-12-18 06:51:27,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383808906] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:51:27,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:51:27,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 06:51:27,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858982948] [2021-12-18 06:51:27,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:51:27,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 06:51:27,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:51:27,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 06:51:27,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:51:27,423 INFO L87 Difference]: Start difference. First operand 56576 states and 79276 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, (43), 8 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 06:51:38,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:40,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:48,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:50,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:51:52,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:08,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:10,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:12,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:14,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:16,971 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:19,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:21,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:52:35,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:52:35,290 INFO L93 Difference]: Finished difference Result 121515 states and 175964 transitions. [2021-12-18 06:52:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-18 06:52:35,291 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, (43), 8 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 521 [2021-12-18 06:52:35,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:52:35,821 INFO L225 Difference]: With dead ends: 121515 [2021-12-18 06:52:35,821 INFO L226 Difference]: Without dead ends: 71214 [2021-12-18 06:52:36,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2021-12-18 06:52:36,180 INFO L933 BasicCegarLoop]: 7397 mSDtfsCounter, 10985 mSDsluCounter, 12181 mSDsCounter, 0 mSdLazyCounter, 24271 mSolverCounterSat, 11875 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11696 SdHoareTripleChecker+Valid, 19578 SdHoareTripleChecker+Invalid, 36158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11875 IncrementalHoareTripleChecker+Valid, 24271 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.9s IncrementalHoareTripleChecker+Time [2021-12-18 06:52:36,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11696 Valid, 19578 Invalid, 36158 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11875 Valid, 24271 Invalid, 12 Unknown, 0 Unchecked, 63.9s Time] [2021-12-18 06:52:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71214 states. [2021-12-18 06:52:38,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71214 to 51957. [2021-12-18 06:52:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51957 states, 33313 states have (on average 1.2675832257677182) internal successors, (42227), 34866 states have internal predecessors, (42227), 14581 states have call successors, (14581), 4073 states have call predecessors, (14581), 4062 states have return successors, (14569), 13981 states have call predecessors, (14569), 14569 states have call successors, (14569) [2021-12-18 06:52:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51957 states to 51957 states and 71377 transitions. [2021-12-18 06:52:38,652 INFO L78 Accepts]: Start accepts. Automaton has 51957 states and 71377 transitions. Word has length 521 [2021-12-18 06:52:38,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:52:38,653 INFO L470 AbstractCegarLoop]: Abstraction has 51957 states and 71377 transitions. [2021-12-18 06:52:38,653 INFO L471 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, (43), 8 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-12-18 06:52:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 51957 states and 71377 transitions. [2021-12-18 06:52:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2021-12-18 06:52:38,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:52:38,714 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 14, 14, 14, 14, 14, 14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:52:38,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 06:52:38,714 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:52:38,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:52:38,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1995953145, now seen corresponding path program 1 times [2021-12-18 06:52:38,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:52:38,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66894617] [2021-12-18 06:52:38,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:52:38,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:52:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:52:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:52:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:52:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:52:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:52:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:52:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:52:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:52:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:52:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:52:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:52:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:52:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:52:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:52:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:52:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:52:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:52:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:52:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:52:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:52:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:52:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:52:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:52:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:52:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:52:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:52:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:52:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:52:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:52:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:52:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:52:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:52:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 06:52:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 06:52:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 06:52:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 06:52:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:52:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:52:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 06:52:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2021-12-18 06:52:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-18 06:52:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-12-18 06:52:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2021-12-18 06:52:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-12-18 06:52:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-12-18 06:52:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 06:52:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2021-12-18 06:52:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-12-18 06:52:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:52:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 3232 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3228 trivial. 0 not checked. [2021-12-18 06:52:39,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:52:39,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66894617] [2021-12-18 06:52:39,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66894617] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:52:39,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:52:39,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 06:52:39,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597191722] [2021-12-18 06:52:39,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:52:39,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 06:52:39,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:52:39,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 06:52:39,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:52:39,965 INFO L87 Difference]: Start difference. First operand 51957 states and 71377 transitions. Second operand has 8 states, 8 states have (on average 18.5) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 06:52:58,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:11,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:13,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:16,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:18,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:20,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:31,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:53:31,122 INFO L93 Difference]: Finished difference Result 159522 states and 230439 transitions. [2021-12-18 06:53:31,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 06:53:31,125 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 602 [2021-12-18 06:53:31,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:53:32,102 INFO L225 Difference]: With dead ends: 159522 [2021-12-18 06:53:32,103 INFO L226 Difference]: Without dead ends: 107641 [2021-12-18 06:53:32,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2021-12-18 06:53:32,327 INFO L933 BasicCegarLoop]: 7131 mSDtfsCounter, 20786 mSDsluCounter, 9643 mSDsCounter, 0 mSdLazyCounter, 15546 mSolverCounterSat, 22010 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21861 SdHoareTripleChecker+Valid, 16774 SdHoareTripleChecker+Invalid, 37562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 22010 IncrementalHoareTripleChecker+Valid, 15546 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.3s IncrementalHoareTripleChecker+Time [2021-12-18 06:53:32,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21861 Valid, 16774 Invalid, 37562 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [22010 Valid, 15546 Invalid, 6 Unknown, 0 Unchecked, 46.3s Time] [2021-12-18 06:53:32,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107641 states. [2021-12-18 06:53:35,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107641 to 78135. [2021-12-18 06:53:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78135 states, 50228 states have (on average 1.2674603806641713) internal successors, (63662), 52548 states have internal predecessors, (63662), 21806 states have call successors, (21806), 6115 states have call predecessors, (21806), 6100 states have return successors, (21790), 20909 states have call predecessors, (21790), 21790 states have call successors, (21790) [2021-12-18 06:53:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78135 states to 78135 states and 107258 transitions. [2021-12-18 06:53:36,497 INFO L78 Accepts]: Start accepts. Automaton has 78135 states and 107258 transitions. Word has length 602 [2021-12-18 06:53:36,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:53:36,498 INFO L470 AbstractCegarLoop]: Abstraction has 78135 states and 107258 transitions. [2021-12-18 06:53:36,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.5) internal successors, (148), 3 states have internal predecessors, (148), 3 states have call successors, (59), 7 states have call predecessors, (59), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 06:53:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 78135 states and 107258 transitions. [2021-12-18 06:53:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 634 [2021-12-18 06:53:36,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:53:36,873 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 14, 14, 14, 14, 14, 14, 14, 14, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:53:36,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 06:53:36,874 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:53:36,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:53:36,874 INFO L85 PathProgramCache]: Analyzing trace with hash -298499390, now seen corresponding path program 1 times [2021-12-18 06:53:36,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:53:36,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304209952] [2021-12-18 06:53:36,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:53:36,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:53:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:53:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:53:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:53:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:53:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:53:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:53:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:53:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:53:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:53:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:53:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:53:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:53:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:53:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:53:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:53:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:53:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:53:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:53:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:53:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:53:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:53:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:53:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:53:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:53:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:53:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:53:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:53:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:53:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:53:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:53:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:53:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:53:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 06:53:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 06:53:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 06:53:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 06:53:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:53:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:53:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 06:53:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-18 06:53:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 06:53:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 06:53:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 06:53:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-12-18 06:53:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2021-12-18 06:53:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2021-12-18 06:53:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2021-12-18 06:53:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-12-18 06:53:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-12-18 06:53:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-18 06:53:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-12-18 06:53:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2021-12-18 06:53:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:53:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3238 trivial. 0 not checked. [2021-12-18 06:53:37,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:53:37,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304209952] [2021-12-18 06:53:37,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304209952] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:53:37,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:53:37,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 06:53:37,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64197103] [2021-12-18 06:53:37,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:53:37,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 06:53:37,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:53:37,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 06:53:37,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:53:37,809 INFO L87 Difference]: Start difference. First operand 78135 states and 107258 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (63), 7 states have call predecessors, (63), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-12-18 06:53:48,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:53:58,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:54:11,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:54:13,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:54:29,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:54:29,652 INFO L93 Difference]: Finished difference Result 222144 states and 320102 transitions. [2021-12-18 06:54:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 06:54:29,655 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (63), 7 states have call predecessors, (63), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 633 [2021-12-18 06:54:29,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:54:30,720 INFO L225 Difference]: With dead ends: 222144 [2021-12-18 06:54:30,720 INFO L226 Difference]: Without dead ends: 144085 [2021-12-18 06:54:30,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2021-12-18 06:54:30,989 INFO L933 BasicCegarLoop]: 8473 mSDtfsCounter, 14945 mSDsluCounter, 14131 mSDsCounter, 0 mSdLazyCounter, 20757 mSolverCounterSat, 15831 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15923 SdHoareTripleChecker+Valid, 22604 SdHoareTripleChecker+Invalid, 36592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15831 IncrementalHoareTripleChecker+Valid, 20757 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.2s IncrementalHoareTripleChecker+Time [2021-12-18 06:54:30,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15923 Valid, 22604 Invalid, 36592 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15831 Valid, 20757 Invalid, 4 Unknown, 0 Unchecked, 45.2s Time] [2021-12-18 06:54:31,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144085 states. [2021-12-18 06:54:35,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144085 to 104285. [2021-12-18 06:54:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104285 states, 67123 states have (on average 1.267479105522697) internal successors, (85077), 70210 states have internal predecessors, (85077), 29031 states have call successors, (29031), 8157 states have call predecessors, (29031), 8130 states have return successors, (29011), 27829 states have call predecessors, (29011), 29011 states have call successors, (29011) [2021-12-18 06:54:36,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104285 states to 104285 states and 143119 transitions. [2021-12-18 06:54:36,422 INFO L78 Accepts]: Start accepts. Automaton has 104285 states and 143119 transitions. Word has length 633 [2021-12-18 06:54:36,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:54:36,424 INFO L470 AbstractCegarLoop]: Abstraction has 104285 states and 143119 transitions. [2021-12-18 06:54:36,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 3 states have internal predecessors, (164), 2 states have call successors, (63), 7 states have call predecessors, (63), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2021-12-18 06:54:36,424 INFO L276 IsEmpty]: Start isEmpty. Operand 104285 states and 143119 transitions. [2021-12-18 06:54:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-12-18 06:54:36,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:54:36,498 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 14, 14, 14, 14, 14, 14, 14, 14, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:54:36,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 06:54:36,498 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:54:36,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:54:36,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1919671962, now seen corresponding path program 1 times [2021-12-18 06:54:36,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:54:36,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110391418] [2021-12-18 06:54:36,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:54:36,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:54:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:54:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:54:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:54:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:54:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:54:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:54:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:54:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:54:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:54:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:54:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:54:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:54:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:54:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:54:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:54:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:54:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:54:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:54:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:54:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:54:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:54:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:54:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:54:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:54:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:54:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:54:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:54:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:54:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:54:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:54:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:54:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:54:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 06:54:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 06:54:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 06:54:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 06:54:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:54:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:54:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 06:54:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-18 06:54:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 06:54:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 06:54:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 06:54:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-18 06:54:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 06:54:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 06:54:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-12-18 06:54:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-18 06:54:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-12-18 06:54:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-18 06:54:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-12-18 06:54:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2021-12-18 06:54:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:54:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3242 trivial. 0 not checked. [2021-12-18 06:54:37,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:54:37,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110391418] [2021-12-18 06:54:37,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110391418] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:54:37,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:54:37,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 06:54:37,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330095873] [2021-12-18 06:54:37,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:54:37,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 06:54:37,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:54:37,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 06:54:37,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-18 06:54:37,777 INFO L87 Difference]: Start difference. First operand 104285 states and 143119 transitions. Second operand has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (63), 7 states have call predecessors, (63), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2021-12-18 06:54:51,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:00,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:02,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:04,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:13,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:55:13,715 INFO L93 Difference]: Finished difference Result 248658 states and 358984 transitions. [2021-12-18 06:55:13,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 06:55:13,718 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (63), 7 states have call predecessors, (63), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) Word has length 635 [2021-12-18 06:55:13,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:55:14,862 INFO L225 Difference]: With dead ends: 248658 [2021-12-18 06:55:14,862 INFO L226 Difference]: Without dead ends: 144449 [2021-12-18 06:55:15,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=292, Unknown=0, NotChecked=0, Total=420 [2021-12-18 06:55:15,297 INFO L933 BasicCegarLoop]: 5079 mSDtfsCounter, 8933 mSDsluCounter, 12653 mSDsCounter, 0 mSdLazyCounter, 13586 mSolverCounterSat, 9262 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9542 SdHoareTripleChecker+Valid, 17732 SdHoareTripleChecker+Invalid, 22852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9262 IncrementalHoareTripleChecker+Valid, 13586 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:55:15,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9542 Valid, 17732 Invalid, 22852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9262 Valid, 13586 Invalid, 4 Unknown, 0 Unchecked, 29.0s Time] [2021-12-18 06:55:15,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144449 states. [2021-12-18 06:55:19,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144449 to 104333. [2021-12-18 06:55:20,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104333 states, 67171 states have (on average 1.2672879665331764) internal successors, (85125), 70258 states have internal predecessors, (85125), 29031 states have call successors, (29031), 8157 states have call predecessors, (29031), 8130 states have return successors, (29011), 27829 states have call predecessors, (29011), 29011 states have call successors, (29011) [2021-12-18 06:55:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104333 states to 104333 states and 143167 transitions. [2021-12-18 06:55:20,849 INFO L78 Accepts]: Start accepts. Automaton has 104333 states and 143167 transitions. Word has length 635 [2021-12-18 06:55:20,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:55:20,850 INFO L470 AbstractCegarLoop]: Abstraction has 104333 states and 143167 transitions. [2021-12-18 06:55:20,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.22222222222222) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (63), 7 states have call predecessors, (63), 1 states have return successors, (53), 1 states have call predecessors, (53), 1 states have call successors, (53) [2021-12-18 06:55:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 104333 states and 143167 transitions. [2021-12-18 06:55:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2021-12-18 06:55:20,918 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:55:20,918 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 14, 14, 14, 14, 14, 14, 14, 14, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:55:20,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 06:55:20,919 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:55:20,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:55:20,919 INFO L85 PathProgramCache]: Analyzing trace with hash 3556072, now seen corresponding path program 1 times [2021-12-18 06:55:20,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:55:20,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885038500] [2021-12-18 06:55:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:55:20,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:55:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:55:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:55:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:55:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:55:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:55:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:55:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:55:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:55:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:55:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:55:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:55:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:55:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:55:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:55:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:55:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:55:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:55:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:55:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:55:21,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:55:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:55:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:55:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:55:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:55:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:55:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:55:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:55:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:55:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:55:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:55:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:55:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:55:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 06:55:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 06:55:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 06:55:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 06:55:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:55:22,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:55:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-12-18 06:55:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-18 06:55:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 06:55:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 06:55:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 06:55:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-18 06:55:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 06:55:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 06:55:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-12-18 06:55:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-18 06:55:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-12-18 06:55:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2021-12-18 06:55:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-12-18 06:55:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2021-12-18 06:55:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:55:22,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3248 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3238 trivial. 0 not checked. [2021-12-18 06:55:22,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:55:22,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885038500] [2021-12-18 06:55:22,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885038500] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:55:22,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:55:22,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 06:55:22,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53665729] [2021-12-18 06:55:22,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:55:22,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 06:55:22,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:55:22,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 06:55:22,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 06:55:22,373 INFO L87 Difference]: Start difference. First operand 104333 states and 143167 transitions. Second operand has 10 states, 10 states have (on average 16.6) internal successors, (166), 5 states have internal predecessors, (166), 3 states have call successors, (63), 7 states have call predecessors, (63), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-12-18 06:55:40,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:49,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:51,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:53,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:55:55,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:12,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:15,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:17,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:19,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:21,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:23,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:56:41,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:56:41,882 INFO L93 Difference]: Finished difference Result 286295 states and 411853 transitions. [2021-12-18 06:56:41,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-18 06:56:41,886 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 5 states have internal predecessors, (166), 3 states have call successors, (63), 7 states have call predecessors, (63), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 635 [2021-12-18 06:56:41,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 06:56:43,052 INFO L225 Difference]: With dead ends: 286295 [2021-12-18 06:56:43,053 INFO L226 Difference]: Without dead ends: 182038 [2021-12-18 06:56:43,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2021-12-18 06:56:43,705 INFO L933 BasicCegarLoop]: 9818 mSDtfsCounter, 13789 mSDsluCounter, 30053 mSDsCounter, 0 mSdLazyCounter, 35352 mSolverCounterSat, 13622 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14731 SdHoareTripleChecker+Valid, 39871 SdHoareTripleChecker+Invalid, 48985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 13622 IncrementalHoareTripleChecker+Valid, 35352 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.0s IncrementalHoareTripleChecker+Time [2021-12-18 06:56:43,705 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14731 Valid, 39871 Invalid, 48985 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [13622 Valid, 35352 Invalid, 11 Unknown, 0 Unchecked, 70.0s Time] [2021-12-18 06:56:43,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182038 states. [2021-12-18 06:56:49,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182038 to 104385. [2021-12-18 06:56:49,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104385 states, 67203 states have (on average 1.2671606922310017) internal successors, (85157), 70290 states have internal predecessors, (85157), 29051 states have call successors, (29051), 8157 states have call predecessors, (29051), 8130 states have return successors, (29031), 27849 states have call predecessors, (29031), 29031 states have call successors, (29031) [2021-12-18 06:56:49,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104385 states to 104385 states and 143239 transitions. [2021-12-18 06:56:49,943 INFO L78 Accepts]: Start accepts. Automaton has 104385 states and 143239 transitions. Word has length 635 [2021-12-18 06:56:49,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 06:56:49,944 INFO L470 AbstractCegarLoop]: Abstraction has 104385 states and 143239 transitions. [2021-12-18 06:56:49,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 5 states have internal predecessors, (166), 3 states have call successors, (63), 7 states have call predecessors, (63), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2021-12-18 06:56:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 104385 states and 143239 transitions. [2021-12-18 06:56:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 649 [2021-12-18 06:56:49,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 06:56:49,996 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 14, 14, 14, 14, 14, 14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 06:56:49,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 06:56:49,997 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 06:56:49,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 06:56:49,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1202236742, now seen corresponding path program 1 times [2021-12-18 06:56:49,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 06:56:49,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118428657] [2021-12-18 06:56:49,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 06:56:49,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 06:56:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 06:56:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 06:56:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 06:56:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 06:56:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 06:56:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 06:56:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 06:56:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 06:56:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 06:56:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 06:56:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 06:56:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 06:56:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-18 06:56:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 06:56:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 06:56:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 06:56:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 06:56:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 06:56:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 06:56:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 06:56:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 06:56:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-18 06:56:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 06:56:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 06:56:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 06:56:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 06:56:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 06:56:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-18 06:56:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-18 06:56:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 06:56:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 06:56:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 06:56:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 06:56:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 06:56:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 06:56:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-12-18 06:56:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 06:56:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 06:56:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-12-18 06:56:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-18 06:56:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-12-18 06:56:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-12-18 06:56:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 06:56:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 06:56:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 06:56:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-18 06:56:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-12-18 06:56:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2021-12-18 06:56:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2021-12-18 06:56:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2021-12-18 06:56:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 594 [2021-12-18 06:56:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2021-12-18 06:56:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-12-18 06:56:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2021-12-18 06:56:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 06:56:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3233 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3226 trivial. 0 not checked. [2021-12-18 06:56:51,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 06:56:51,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118428657] [2021-12-18 06:56:51,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118428657] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 06:56:51,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 06:56:51,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 06:56:51,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880868711] [2021-12-18 06:56:51,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 06:56:51,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 06:56:51,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 06:56:51,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 06:56:51,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 06:56:51,241 INFO L87 Difference]: Start difference. First operand 104385 states and 143239 transitions. Second operand has 8 states, 8 states have (on average 22.625) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2021-12-18 06:57:01,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:08,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:10,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:13,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:30,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:32,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:36,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:38,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:40,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 06:57:59,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 06:57:59,005 INFO L93 Difference]: Finished difference Result 320222 states and 461953 transitions. [2021-12-18 06:57:59,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-18 06:57:59,008 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.625) internal successors, (181), 3 states have internal predecessors, (181), 3 states have call successors, (66), 7 states have call predecessors, (66), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 648 [2021-12-18 06:57:59,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted.