./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:14:15,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:14:15,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:14:15,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:14:15,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:14:15,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:14:15,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:14:15,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:14:15,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:14:15,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:14:15,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:14:15,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:14:15,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:14:15,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:14:15,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:14:15,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:14:15,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:14:15,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:14:15,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:14:15,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:14:15,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:14:15,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:14:15,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:14:15,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:14:15,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:14:15,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:14:15,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:14:15,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:14:15,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:14:15,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:14:15,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:14:15,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:14:15,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:14:15,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:14:15,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:14:15,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:14:15,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:14:15,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:14:15,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:14:15,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:14:15,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:14:15,468 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:14:15,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:14:15,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:14:15,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:14:15,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:14:15,514 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:14:15,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:14:15,515 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:14:15,515 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:14:15,515 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:14:15,515 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:14:15,516 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:14:15,517 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:14:15,517 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:14:15,517 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:14:15,517 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:14:15,518 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:14:15,518 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:14:15,518 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:14:15,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:14:15,519 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:14:15,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:14:15,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:14:15,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:14:15,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:14:15,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:14:15,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:14:15,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:14:15,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:14:15,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:14:15,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:14:15,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:14:15,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:14:15,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:14:15,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:14:15,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:14:15,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:14:15,525 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:14:15,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:14:15,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:14:15,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:14:15,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:14:15,526 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2021-11-21 00:14:15,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:14:15,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:14:15,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:14:15,798 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:14:15,799 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:14:15,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2021-11-21 00:14:15,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/data/c7ee90cb7/fb2ca721988c43038c334803916628d6/FLAG78615590c [2021-11-21 00:14:16,505 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:14:16,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2021-11-21 00:14:16,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/data/c7ee90cb7/fb2ca721988c43038c334803916628d6/FLAG78615590c [2021-11-21 00:14:16,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/data/c7ee90cb7/fb2ca721988c43038c334803916628d6 [2021-11-21 00:14:16,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:14:16,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:14:16,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:14:16,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:14:16,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:14:16,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:14:16" (1/1) ... [2021-11-21 00:14:16,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a42dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:16, skipping insertion in model container [2021-11-21 00:14:16,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:14:16" (1/1) ... [2021-11-21 00:14:16,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:14:16,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:14:17,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2021-11-21 00:14:17,526 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2021-11-21 00:14:17,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:14:17,572 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:14:17,613 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[37019,37032] [2021-11-21 00:14:17,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i[47352,47365] [2021-11-21 00:14:17,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:14:17,711 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:14:17,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17 WrapperNode [2021-11-21 00:14:17,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:14:17,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:14:17,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:14:17,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:14:17,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,855 INFO L137 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1039 [2021-11-21 00:14:17,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:14:17,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:14:17,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:14:17,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:14:17,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:14:17,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:14:17,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:14:17,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:14:17,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (1/1) ... [2021-11-21 00:14:17,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:14:17,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:18,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:14:18,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:14:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:14:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:14:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:14:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:14:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:14:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:14:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:14:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:14:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:14:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:14:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:14:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:14:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:14:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:14:18,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:14:18,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:14:18,299 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:14:18,301 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:14:19,656 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:14:20,118 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:14:20,119 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 00:14:20,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:14:20 BoogieIcfgContainer [2021-11-21 00:14:20,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:14:20,124 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:14:20,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:14:20,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:14:20,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:14:16" (1/3) ... [2021-11-21 00:14:20,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561d582d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:14:20, skipping insertion in model container [2021-11-21 00:14:20,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:14:17" (2/3) ... [2021-11-21 00:14:20,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@561d582d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:14:20, skipping insertion in model container [2021-11-21 00:14:20,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:14:20" (3/3) ... [2021-11-21 00:14:20,132 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-2.i [2021-11-21 00:14:20,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:14:20,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 00:14:20,193 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:14:20,200 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=FINITE_AUTOMATA, 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 [2021-11-21 00:14:20,201 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 00:14:20,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:14:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:14:20,225 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:20,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:14:20,227 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:14:20,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:20,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1967387469, now seen corresponding path program 1 times [2021-11-21 00:14:20,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:20,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867498727] [2021-11-21 00:14:20,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:20,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:14:20,386 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:20,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867498727] [2021-11-21 00:14:20,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867498727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:20,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:20,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:14:20,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283771195] [2021-11-21 00:14:20,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:20,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 00:14:20,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:20,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 00:14:20,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:14:20,424 INFO L87 Difference]: Start difference. First operand has 123 states, 110 states have (on average 1.8) internal successors, (198), 117 states have internal predecessors, (198), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:14:22,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:14:22,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:22,467 INFO L93 Difference]: Finished difference Result 245 states and 432 transitions. [2021-11-21 00:14:22,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 00:14:22,496 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 00:14:22,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:22,506 INFO L225 Difference]: With dead ends: 245 [2021-11-21 00:14:22,506 INFO L226 Difference]: Without dead ends: 107 [2021-11-21 00:14:22,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:14:22,513 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:22,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-21 00:14:22,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-21 00:14:22,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-21 00:14:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:14:22,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-21 00:14:22,562 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-21 00:14:22,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:22,562 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-21 00:14:22,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:14:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-21 00:14:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 00:14:22,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:22,565 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:14:22,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:14:22,566 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:14:22,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:22,567 INFO L85 PathProgramCache]: Analyzing trace with hash 666058235, now seen corresponding path program 1 times [2021-11-21 00:14:22,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:22,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705389755] [2021-11-21 00:14:22,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:22,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:14:22,675 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:22,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705389755] [2021-11-21 00:14:22,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705389755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:22,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:22,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:14:22,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74426036] [2021-11-21 00:14:22,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:22,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:14:22,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:22,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:14:22,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:14:22,685 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:14:23,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:23,749 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-21 00:14:23,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:14:23,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-21 00:14:23,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:23,756 INFO L225 Difference]: With dead ends: 222 [2021-11-21 00:14:23,756 INFO L226 Difference]: Without dead ends: 168 [2021-11-21 00:14:23,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:14:23,758 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:23,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 319 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 00:14:23,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-21 00:14:23,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-21 00:14:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:14:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-21 00:14:23,777 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-21 00:14:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:23,777 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-21 00:14:23,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:14:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-21 00:14:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 00:14:23,778 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:23,778 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:14:23,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:14:23,779 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:14:23,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:23,779 INFO L85 PathProgramCache]: Analyzing trace with hash -148459342, now seen corresponding path program 1 times [2021-11-21 00:14:23,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:23,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196122663] [2021-11-21 00:14:23,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:23,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:23,842 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:23,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118216030] [2021-11-21 00:14:23,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:23,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:23,846 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:23,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:14:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:24,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:14:24,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:14:24,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:14:24,352 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:24,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196122663] [2021-11-21 00:14:24,353 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:24,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118216030] [2021-11-21 00:14:24,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118216030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:24,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:24,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:14:24,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697371592] [2021-11-21 00:14:24,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:24,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:14:24,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:24,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:14:24,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:14:24,356 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:14:26,028 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:14:28,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:14:28,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:28,052 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-21 00:14:28,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:14:28,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-21 00:14:28,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:28,078 INFO L225 Difference]: With dead ends: 260 [2021-11-21 00:14:28,078 INFO L226 Difference]: Without dead ends: 154 [2021-11-21 00:14:28,079 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:14:28,080 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:28,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-21 00:14:28,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-21 00:14:28,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-21 00:14:28,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 00:14:28,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-21 00:14:28,099 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-21 00:14:28,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:28,100 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-21 00:14:28,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:14:28,101 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-21 00:14:28,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 00:14:28,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:28,103 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:14:28,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:14:28,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:28,307 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:14:28,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:28,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2144184370, now seen corresponding path program 1 times [2021-11-21 00:14:28,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:28,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072352542] [2021-11-21 00:14:28,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:28,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:28,349 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:28,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429163408] [2021-11-21 00:14:28,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:28,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:28,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:28,351 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:28,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:14:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:28,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:14:28,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:28,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:14:28,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:14:28,803 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:28,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072352542] [2021-11-21 00:14:28,807 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:28,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429163408] [2021-11-21 00:14:28,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429163408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:28,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:28,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:14:28,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114844919] [2021-11-21 00:14:28,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:28,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:14:28,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:28,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:14:28,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:14:28,811 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:14:29,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:29,515 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-21 00:14:29,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:14:29,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 57 [2021-11-21 00:14:29,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:29,517 INFO L225 Difference]: With dead ends: 258 [2021-11-21 00:14:29,517 INFO L226 Difference]: Without dead ends: 122 [2021-11-21 00:14:29,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:14:29,519 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:29,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-21 00:14:29,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-21 00:14:29,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-21 00:14:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:14:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-21 00:14:29,533 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-21 00:14:29,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:29,534 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-21 00:14:29,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:14:29,534 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-21 00:14:29,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:14:29,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:29,537 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:14:29,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:14:29,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:29,763 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:14:29,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:29,763 INFO L85 PathProgramCache]: Analyzing trace with hash 427509094, now seen corresponding path program 1 times [2021-11-21 00:14:29,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:29,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078460113] [2021-11-21 00:14:29,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:29,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:29,781 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:29,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041508669] [2021-11-21 00:14:29,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:29,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:29,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:29,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:29,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:14:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:48,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:14:48,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:14:48,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:14:48,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:48,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078460113] [2021-11-21 00:14:48,883 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:48,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041508669] [2021-11-21 00:14:48,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041508669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:14:48,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:14:48,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:14:48,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322894871] [2021-11-21 00:14:48,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:14:48,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:14:48,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:14:48,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:14:48,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:14:48,885 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:14:50,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:14:50,486 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-21 00:14:50,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:14:50,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 00:14:50,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:14:50,491 INFO L225 Difference]: With dead ends: 227 [2021-11-21 00:14:50,492 INFO L226 Difference]: Without dead ends: 124 [2021-11-21 00:14:50,492 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:14:50,494 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:14:50,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:14:50,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-21 00:14:50,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-21 00:14:50,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 00:14:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-21 00:14:50,506 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-21 00:14:50,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:14:50,507 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-21 00:14:50,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:14:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-21 00:14:50,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-21 00:14:50,510 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:14:50,510 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 00:14:50,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:14:50,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:50,727 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:14:50,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:14:50,727 INFO L85 PathProgramCache]: Analyzing trace with hash -64659160, now seen corresponding path program 1 times [2021-11-21 00:14:50,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:14:50,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854177134] [2021-11-21 00:14:50,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:50,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:14:50,744 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:14:50,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303290080] [2021-11-21 00:14:50,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:14:50,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:14:50,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:14:50,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:14:50,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ad90fe-fc9c-4777-8c02-b8c84e07fb9d/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:14:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:14:59,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 00:14:59,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:14:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:14:59,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:14:59,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:14:59,993 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:14:59,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854177134] [2021-11-21 00:14:59,993 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:14:59,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303290080] [2021-11-21 00:14:59,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303290080] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:14:59,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [410218761] [2021-11-21 00:15:00,014 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-21 00:15:00,014 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:15:00,019 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:15:00,024 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:15:00,024 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:15:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,165 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:15:00,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 00:15:00,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:15:00,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:15:00,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 00:15:00,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:15:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,382 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:15:00,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:15:00,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 49 [2021-11-21 00:15:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:15:00,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-21 00:15:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:00,539 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:15:00,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 00:15:01,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 77 [2021-11-21 00:15:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 00:15:01,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:15:01,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:01,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:15:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:15:02,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 00:15:02,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:15:02,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,348 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:15:02,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 00:15:02,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:15:02,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 00:15:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,567 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 00:15:02,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 00:15:02,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:02,629 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 00:15:02,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 00:15:03,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:15:03,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:15:03,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:15:03,270 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:15:03,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 00:15:03,291 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:15:03,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 00:15:03,312 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:15:03,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 00:15:03,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:15:03,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:15:03,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:15:03,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:15:03,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:15:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:15:03,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 00:15:03,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:15:03,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:03,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:15:08,867 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:15:08,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 00:15:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:18,819 WARN L227 SmtUtils]: Spent 9.91s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:15:18,819 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:15:18,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 00:15:30,129 WARN L227 SmtUtils]: Spent 11.17s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:15:30,130 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:15:30,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-21 00:15:30,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:30,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:30,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:31,541 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:15:31,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25954 treesize of output 25985 [2021-11-21 00:15:31,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:31,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:32,619 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:15:32,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25964 treesize of output 25978 [2021-11-21 00:15:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:34,943 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:15:34,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 00:15:35,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:35,537 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:15:35,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-21 00:15:36,843 INFO L244 Elim1Store]: Index analysis took 343 ms [2021-11-21 00:15:36,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:38,996 INFO L354 Elim1Store]: treesize reduction 476, result has 74.2 percent of original size [2021-11-21 00:15:38,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1741 treesize of output 2653 [2021-11-21 00:15:42,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:42,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:42,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:42,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:42,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:42,551 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:42,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:42,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:42,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:42,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:42,631 INFO L244 Elim1Store]: Index analysis took 125 ms [2021-11-21 00:15:42,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1741 treesize of output 1287 [2021-11-21 00:15:43,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:15:44,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:15:45,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:15:45,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,680 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:45,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:45,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:45,813 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-21 00:15:46,394 INFO L354 Elim1Store]: treesize reduction 16, result has 95.9 percent of original size [2021-11-21 00:15:46,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1664 treesize of output 1656 [2021-11-21 00:15:48,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:48,682 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 00:15:48,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1304 treesize of output 1300 [2021-11-21 00:15:49,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:49,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:49,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2021-11-21 00:15:49,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:49,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2021-11-21 00:15:50,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:50,733 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:15:50,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-21 00:15:51,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:51,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:51,092 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 00:15:51,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-21 00:15:51,643 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:15:52,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:52,345 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:15:52,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-21 00:15:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:15:59,513 INFO L190 IndexEqualityManager]: detected not equals via solver