./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7 --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 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:45:45,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:45:45,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:45:45,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:45:45,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:45:45,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:45:45,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:45:45,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:45:45,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:45:45,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:45:45,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:45:45,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:45:45,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:45:45,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:45:45,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:45:45,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:45:45,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:45:45,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:45:45,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:45:45,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:45:45,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:45:45,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:45:45,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:45:45,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:45:45,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:45:45,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:45:45,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:45:45,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:45:45,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:45:45,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:45:45,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:45:45,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:45:45,512 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:45:45,513 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:45:45,515 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:45:45,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:45:45,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:45:45,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:45:45,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:45:45,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:45:45,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:45:45,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 17:45:45,571 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:45:45,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:45:45,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:45:45,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:45:45,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:45:45,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:45:45,582 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:45:45,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:45:45,582 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:45:45,583 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:45:45,584 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:45:45,584 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:45:45,585 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:45:45,585 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:45:45,585 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:45:45,586 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:45:45,586 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:45:45,586 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:45:45,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:45:45,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:45:45,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:45:45,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:45:45,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:45:45,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:45:45,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:45:45,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:45:45,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:45:45,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:45:45,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:45:45,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:45:45,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:45:45,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:45:45,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:45:45,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:45:45,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:45:45,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:45:45,592 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:45:45,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:45:45,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:45:45,593 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:45:45,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:45:45,594 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_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f8d40fc3d39b827c494ff373d43bd116589a8fd89c6e972621bd6e0216b2f6d [2021-11-25 17:45:45,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:45:45,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:45:45,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:45:45,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:45:45,955 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:45:45,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2021-11-25 17:45:46,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/data/e1236152a/c1d9379ebdbe461d89da9f9891defd22/FLAGfe6286e16 [2021-11-25 17:45:46,728 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:45:46,728 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i [2021-11-25 17:45:46,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/data/e1236152a/c1d9379ebdbe461d89da9f9891defd22/FLAGfe6286e16 [2021-11-25 17:45:46,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/data/e1236152a/c1d9379ebdbe461d89da9f9891defd22 [2021-11-25 17:45:46,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:45:46,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:45:46,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:45:46,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:45:46,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:45:46,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:45:46" (1/1) ... [2021-11-25 17:45:46,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a40583f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:46, skipping insertion in model container [2021-11-25 17:45:46,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:45:46" (1/1) ... [2021-11-25 17:45:46,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:45:47,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:45:47,681 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_708cc891-d2d3-481e-ba5d-57c759059626/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[33021,33034] [2021-11-25 17:45:47,827 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_708cc891-d2d3-481e-ba5d-57c759059626/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44124,44137] [2021-11-25 17:45:47,834 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_708cc891-d2d3-481e-ba5d-57c759059626/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44245,44258] [2021-11-25 17:45:47,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:45:47,883 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:45:47,944 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_708cc891-d2d3-481e-ba5d-57c759059626/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[33021,33034] [2021-11-25 17:45:48,020 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_708cc891-d2d3-481e-ba5d-57c759059626/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44124,44137] [2021-11-25 17:45:48,022 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_708cc891-d2d3-481e-ba5d-57c759059626/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test7-2.i[44245,44258] [2021-11-25 17:45:48,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:45:48,084 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:45:48,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48 WrapperNode [2021-11-25 17:45:48,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:45:48,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:45:48,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:45:48,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:45:48,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,216 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2021-11-25 17:45:48,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:45:48,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:45:48,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:45:48,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:45:48,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:45:48,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:45:48,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:45:48,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:45:48,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (1/1) ... [2021-11-25 17:45:48,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:45:48,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:45:48,454 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:45:48,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:45:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:45:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:45:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:45:48,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:45:48,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:45:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:45:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:45:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:45:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 17:45:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:45:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:45:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:45:48,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:45:48,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:45:48,754 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:45:48,756 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:45:49,863 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:45:50,290 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:45:50,290 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 17:45:50,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:45:50 BoogieIcfgContainer [2021-11-25 17:45:50,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:45:50,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:45:50,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:45:50,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:45:50,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:45:46" (1/3) ... [2021-11-25 17:45:50,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320b8ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:45:50, skipping insertion in model container [2021-11-25 17:45:50,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:48" (2/3) ... [2021-11-25 17:45:50,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320b8ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:45:50, skipping insertion in model container [2021-11-25 17:45:50,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:45:50" (3/3) ... [2021-11-25 17:45:50,303 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test7-2.i [2021-11-25 17:45:50,309 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:45:50,309 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 17:45:50,360 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:45:50,367 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 [2021-11-25 17:45:50,368 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 17:45:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 115 states have (on average 1.808695652173913) internal successors, (208), 117 states have internal predecessors, (208), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:45:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 17:45:50,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:45:50,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:45:50,395 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:45:50,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:45:50,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2062520436, now seen corresponding path program 1 times [2021-11-25 17:45:50,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:45:50,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316615073] [2021-11-25 17:45:50,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:45:50,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:45:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:45:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:45:50,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:45:50,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316615073] [2021-11-25 17:45:50,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316615073] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:45:50,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:45:50,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:45:50,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634335433] [2021-11-25 17:45:50,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:45:50,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 17:45:50,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:45:50,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 17:45:50,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 17:45:50,683 INFO L87 Difference]: Start difference. First operand has 122 states, 115 states have (on average 1.808695652173913) internal successors, (208), 117 states have internal predecessors, (208), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-25 17:45:51,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:45:51,757 INFO L93 Difference]: Finished difference Result 243 states and 427 transitions. [2021-11-25 17:45:51,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 17:45:51,775 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-11-25 17:45:51,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:45:51,786 INFO L225 Difference]: With dead ends: 243 [2021-11-25 17:45:51,786 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 17:45:51,790 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 [2021-11-25 17:45:51,794 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:45:51,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 17:45:51,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 17:45:51,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 17:45:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:45:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 125 transitions. [2021-11-25 17:45:51,847 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 125 transitions. Word has length 7 [2021-11-25 17:45:51,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:45:51,847 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 125 transitions. [2021-11-25 17:45:51,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-11-25 17:45:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2021-11-25 17:45:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 17:45:51,849 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:45:51,849 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:45:51,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 17:45:51,850 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:45:51,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:45:51,851 INFO L85 PathProgramCache]: Analyzing trace with hash -75086937, now seen corresponding path program 1 times [2021-11-25 17:45:51,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:45:51,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175419631] [2021-11-25 17:45:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:45:51,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:45:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:45:51,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:45:51,960 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:45:51,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175419631] [2021-11-25 17:45:51,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175419631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:45:51,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:45:51,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 17:45:51,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672062053] [2021-11-25 17:45:51,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:45:51,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:45:51,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:45:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:45:51,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:45:51,971 INFO L87 Difference]: Start difference. First operand 107 states and 125 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 17:45:53,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:45:53,713 INFO L93 Difference]: Finished difference Result 219 states and 256 transitions. [2021-11-25 17:45:53,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:45:53,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-25 17:45:53,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:45:53,726 INFO L225 Difference]: With dead ends: 219 [2021-11-25 17:45:53,726 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 17:45:53,727 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 [2021-11-25 17:45:53,729 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 63 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 17:45:53,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 285 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 17:45:53,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 17:45:53,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 109. [2021-11-25 17:45:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 103 states have (on average 1.174757281553398) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:45:53,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-11-25 17:45:53,747 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 9 [2021-11-25 17:45:53,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:45:53,748 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-11-25 17:45:53,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-11-25 17:45:53,748 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-11-25 17:45:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 17:45:53,750 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:45:53,750 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] [2021-11-25 17:45:53,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:45:53,751 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:45:53,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:45:53,752 INFO L85 PathProgramCache]: Analyzing trace with hash -135765108, now seen corresponding path program 1 times [2021-11-25 17:45:53,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:45:53,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900644562] [2021-11-25 17:45:53,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:45:53,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:45:53,916 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:45:53,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526749871] [2021-11-25 17:45:53,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:45:53,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:45:53,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:45:53,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:45:53,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 17:45:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:45:54,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1596 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:45:54,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:45:54,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:45:54,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:45:54,909 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:45:54,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900644562] [2021-11-25 17:45:54,910 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:45:54,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526749871] [2021-11-25 17:45:54,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526749871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:45:54,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:45:54,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:45:54,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007422167] [2021-11-25 17:45:54,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:45:54,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:45:54,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:45:54,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:45:54,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:45:54,913 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2021-11-25 17:45:57,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:45:57,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:45:57,260 INFO L93 Difference]: Finished difference Result 265 states and 307 transitions. [2021-11-25 17:45:57,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:45:57,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 33 [2021-11-25 17:45:57,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:45:57,281 INFO L225 Difference]: With dead ends: 265 [2021-11-25 17:45:57,282 INFO L226 Difference]: Without dead ends: 159 [2021-11-25 17:45:57,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:45:57,284 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:45:57,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 208 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:45:57,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-25 17:45:57,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2021-11-25 17:45:57,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 146 states have (on average 1.1643835616438356) internal successors, (170), 147 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:45:57,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2021-11-25 17:45:57,310 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 33 [2021-11-25 17:45:57,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:45:57,310 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2021-11-25 17:45:57,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2021-11-25 17:45:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2021-11-25 17:45:57,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 17:45:57,313 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:45:57,313 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] [2021-11-25 17:45:57,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 17:45:57,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:45:57,514 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:45:57,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:45:57,515 INFO L85 PathProgramCache]: Analyzing trace with hash -2033909546, now seen corresponding path program 1 times [2021-11-25 17:45:57,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:45:57,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941732953] [2021-11-25 17:45:57,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:45:57,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:45:57,609 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:45:57,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336198816] [2021-11-25 17:45:57,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:45:57,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:45:57,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:45:57,611 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:45:57,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 17:45:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:45:58,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:45:58,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:45:58,405 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 11 treesize of output 7 [2021-11-25 17:45:58,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 17:45:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 17:45:58,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:45:58,450 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:45:58,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941732953] [2021-11-25 17:45:58,451 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:45:58,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336198816] [2021-11-25 17:45:58,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336198816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:45:58,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:45:58,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:45:58,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020671740] [2021-11-25 17:45:58,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:45:58,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:45:58,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:45:58,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:45:58,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:45:58,454 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-25 17:46:00,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:46:00,741 INFO L93 Difference]: Finished difference Result 201 states and 235 transitions. [2021-11-25 17:46:00,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:46:00,755 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 46 [2021-11-25 17:46:00,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:46:00,757 INFO L225 Difference]: With dead ends: 201 [2021-11-25 17:46:00,757 INFO L226 Difference]: Without dead ends: 197 [2021-11-25 17:46:00,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:46:00,759 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 46 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 17:46:00,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 287 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 17:46:00,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-11-25 17:46:00,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 154. [2021-11-25 17:46:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 148 states have (on average 1.162162162162162) internal successors, (172), 149 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:46:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2021-11-25 17:46:00,775 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 46 [2021-11-25 17:46:00,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:46:00,777 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2021-11-25 17:46:00,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-25 17:46:00,777 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2021-11-25 17:46:00,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 17:46:00,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:46:00,780 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] [2021-11-25 17:46:00,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 17:46:00,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:46:00,994 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:46:00,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:46:00,995 INFO L85 PathProgramCache]: Analyzing trace with hash 340221349, now seen corresponding path program 1 times [2021-11-25 17:46:00,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:46:00,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217770547] [2021-11-25 17:46:00,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:46:00,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:46:01,069 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:46:01,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600263390] [2021-11-25 17:46:01,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:46:01,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:46:01,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:46:01,086 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:46:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 17:46:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:46:01,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:46:01,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:46:01,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 17:46:01,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:46:01,860 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:46:01,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217770547] [2021-11-25 17:46:01,861 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:46:01,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600263390] [2021-11-25 17:46:01,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600263390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:46:01,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:46:01,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:46:01,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907608593] [2021-11-25 17:46:01,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:46:01,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:46:01,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:46:01,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:46:01,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:46:01,864 INFO L87 Difference]: Start difference. First operand 154 states and 178 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) [2021-11-25 17:46:02,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:46:02,797 INFO L93 Difference]: Finished difference Result 344 states and 400 transitions. [2021-11-25 17:46:02,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:46:02,810 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 [2021-11-25 17:46:02,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:46:02,812 INFO L225 Difference]: With dead ends: 344 [2021-11-25 17:46:02,812 INFO L226 Difference]: Without dead ends: 206 [2021-11-25 17:46:02,814 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 [2021-11-25 17:46:02,815 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 227 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 17:46:02,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 17:46:02,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-11-25 17:46:02,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 199. [2021-11-25 17:46:02,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 193 states have (on average 1.1709844559585492) internal successors, (226), 194 states have internal predecessors, (226), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 17:46:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 232 transitions. [2021-11-25 17:46:02,840 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 232 transitions. Word has length 57 [2021-11-25 17:46:02,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:46:02,841 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 232 transitions. [2021-11-25 17:46:02,842 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) [2021-11-25 17:46:02,842 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 232 transitions. [2021-11-25 17:46:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 17:46:02,845 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:46:02,845 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] [2021-11-25 17:46:02,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 17:46:03,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:46:03,062 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:46:03,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:46:03,063 INFO L85 PathProgramCache]: Analyzing trace with hash -105684312, now seen corresponding path program 1 times [2021-11-25 17:46:03,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:46:03,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556452168] [2021-11-25 17:46:03,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:46:03,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:46:03,126 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:46:03,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1062550997] [2021-11-25 17:46:03,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:46:03,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:46:03,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:46:03,128 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:46:03,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 17:46:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:46:55,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:46:55,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:46:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:46:56,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:46:56,046 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:46:56,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556452168] [2021-11-25 17:46:56,047 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:46:56,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062550997] [2021-11-25 17:46:56,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062550997] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:46:56,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:46:56,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:46:56,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308713762] [2021-11-25 17:46:56,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:46:56,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:46:56,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:46:56,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:46:56,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:46:56,050 INFO L87 Difference]: Start difference. First operand 199 states and 232 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 17:46:57,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:46:58,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:46:58,573 INFO L93 Difference]: Finished difference Result 381 states and 448 transitions. [2021-11-25 17:46:58,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:46:58,584 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 64 [2021-11-25 17:46:58,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:46:58,587 INFO L225 Difference]: With dead ends: 381 [2021-11-25 17:46:58,587 INFO L226 Difference]: Without dead ends: 201 [2021-11-25 17:46:58,588 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 [2021-11-25 17:46:58,590 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:46:58,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 317 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 17:46:58,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-25 17:46:58,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2021-11-25 17:46:58,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 194 states have (on average 1.175257731958763) internal successors, (228), 196 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-25 17:46:58,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 235 transitions. [2021-11-25 17:46:58,613 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 235 transitions. Word has length 64 [2021-11-25 17:46:58,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:46:58,613 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 235 transitions. [2021-11-25 17:46:58,614 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 17:46:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2021-11-25 17:46:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 17:46:58,617 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:46:58,618 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] [2021-11-25 17:46:58,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-25 17:46:58,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:46:58,846 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:46:58,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:46:58,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1390713772, now seen corresponding path program 1 times [2021-11-25 17:46:58,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:46:58,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253781762] [2021-11-25 17:46:58,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:46:58,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:46:58,916 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:46:58,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [703275595] [2021-11-25 17:46:58,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:46:58,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:46:58,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:46:58,918 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:46:58,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_708cc891-d2d3-481e-ba5d-57c759059626/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 17:47:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:47:11,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 17:47:11,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:47:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 17:47:11,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 17:47:12,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 17:47:12,191 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:47:12,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253781762] [2021-11-25 17:47:12,191 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:47:12,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703275595] [2021-11-25 17:47:12,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703275595] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 17:47:12,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [348878546] [2021-11-25 17:47:12,219 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 17:47:12,220 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 17:47:12,226 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 17:47:12,233 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 17:47:12,234 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 17:47:12,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,461 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 17:47:12,462 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 [2021-11-25 17:47:12,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2021-11-25 17:47:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 [2021-11-25 17:47:12,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 [2021-11-25 17:47:12,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2021-11-25 17:47:12,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,603 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 17:47:12,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 53 [2021-11-25 17:47:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2021-11-25 17:47:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,706 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 17:47:12,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 17:47:12,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2021-11-25 17:47:12,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:12,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-25 17:47:13,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 17:47:13,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-25 17:47:13,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 64 [2021-11-25 17:47:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 76 [2021-11-25 17:47:13,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 17:47:13,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-25 17:47:13,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 79 [2021-11-25 17:47:13,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-25 17:47:13,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 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 [2021-11-25 17:47:13,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 17:47:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 17:47:13,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-25 17:47:13,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-25 17:47:13,857 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 [2021-11-25 17:47:13,862 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 [2021-11-25 17:47:13,869 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 [2021-11-25 17:47:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 17:47:13,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 17:47:13,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:13,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 17:47:13,952 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 [2021-11-25 17:47:13,959 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 [2021-11-25 17:47:13,968 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 [2021-11-25 17:47:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 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 [2021-11-25 17:47:14,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 17:47:14,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-25 17:47:14,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-25 17:47:14,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 14 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 [2021-11-25 17:47:14,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:14,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 17:47:21,218 WARN L227 SmtUtils]: Spent 6.73s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:47:21,219 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 17:47:21,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 17:47:21,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:33,365 WARN L227 SmtUtils]: Spent 12.02s 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) [2021-11-25 17:47:33,365 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 17:47:33,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 17:47:33,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:33,967 INFO L244 Elim1Store]: Index analysis took 404 ms [2021-11-25 17:47:44,461 WARN L227 SmtUtils]: Spent 10.13s on a formula simplification. DAG size of input: 245 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:47:44,462 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 17:47:44,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 17:47:44,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:45,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:45,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:45,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:45,131 INFO L244 Elim1Store]: Index analysis took 221 ms [2021-11-25 17:47:46,276 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 17:47:46,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 42 treesize of output 73 [2021-11-25 17:47:46,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:46,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:46,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:46,666 INFO L244 Elim1Store]: Index analysis took 211 ms [2021-11-25 17:47:46,676 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 17:47:46,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 17:47:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:47,269 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 17:47:47,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-25 17:47:47,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:47,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:47:47,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-25 17:47:47,736 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:47,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:47,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:47,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:47,882 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:47,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,090 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,440 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,583 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,661 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,707 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:48,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,838 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:49,889 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,116 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,277 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,773 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,859 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,898 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:50,983 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,413 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,450 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,487 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,659 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,703 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,788 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:51,860 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,059 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,122 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,254 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,430 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,525 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,648 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,888 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:52,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,062 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,208 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,320 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,369 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,609 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,884 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,915 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:53,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,029 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:47:54,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:54,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:47:54,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:54,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:54,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:54,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:54,443 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 1241 treesize of output 791 [2021-11-25 17:47:54,478 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,526 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,548 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,581 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,740 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,763 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,804 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,920 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:54,957 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,037 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,147 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,195 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,293 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,451 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,584 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,637 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,766 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,811 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:55,954 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,329 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,365 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,447 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,777 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,804 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:56,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:57,903 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 25 treesize of output 15 [2021-11-25 17:47:57,933 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:57,955 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:58,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:58,195 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-25 17:47:58,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-25 17:47:58,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:58,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:47:58,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:47:58,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-25 17:48:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:01,082 INFO L244 Elim1Store]: Index analysis took 308 ms [2021-11-25 17:48:01,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:03,615 INFO L354 Elim1Store]: treesize reduction 9884, result has 39.3 percent of original size [2021-11-25 17:48:03,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 57667 treesize of output 56876 [2021-11-25 17:48:21,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:22,024 INFO L244 Elim1Store]: Index analysis took 270 ms [2021-11-25 17:48:22,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:22,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:22,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:25,003 INFO L354 Elim1Store]: treesize reduction 8978, result has 45.0 percent of original size [2021-11-25 17:48:25,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 6340 treesize of output 11953 [2021-11-25 17:48:25,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:25,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:25,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:25,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:25,244 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 17:48:25,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:26,794 INFO L354 Elim1Store]: treesize reduction 6630, result has 45.1 percent of original size [2021-11-25 17:48:26,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16229 treesize of output 18923 [2021-11-25 17:48:27,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:27,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:27,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:27,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:27,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:27,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:27,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:27,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:27,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:27,985 INFO L244 Elim1Store]: Index analysis took 222 ms [2021-11-25 17:48:28,174 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 17:48:28,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 5290 treesize of output 3722 [2021-11-25 17:48:28,218 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:48:28,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:28,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,509 INFO L244 Elim1Store]: Index analysis took 192 ms [2021-11-25 17:48:28,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 8615 treesize of output 6735 [2021-11-25 17:48:28,900 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:28,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:28,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:28,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:28,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,128 INFO L244 Elim1Store]: Index analysis took 228 ms [2021-11-25 17:48:29,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 6179 treesize of output 4519 [2021-11-25 17:48:29,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:29,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:29,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:29,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:29,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,611 INFO L244 Elim1Store]: Index analysis took 216 ms [2021-11-25 17:48:29,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 5795 treesize of output 4230 [2021-11-25 17:48:29,792 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:48:29,819 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:48:29,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:29,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:29,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:29,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,023 INFO L244 Elim1Store]: Index analysis took 130 ms [2021-11-25 17:48:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,309 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 17:48:30,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 13167 treesize of output 10519 [2021-11-25 17:48:30,497 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:48:30,563 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:30,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:30,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:30,799 INFO L244 Elim1Store]: Index analysis took 237 ms [2021-11-25 17:48:31,019 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 17:48:31,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 7503 treesize of output 5623 [2021-11-25 17:48:31,138 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:31,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:31,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,387 INFO L244 Elim1Store]: Index analysis took 249 ms [2021-11-25 17:48:31,537 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-25 17:48:31,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 5290 treesize of output 3722 [2021-11-25 17:48:31,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:31,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,675 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:31,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:48:31,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:31,819 INFO L244 Elim1Store]: Index analysis took 183 ms [2021-11-25 17:48:32,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 5290 treesize of output 3722 [2021-11-25 17:48:40,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:48:40,165 INFO L190 IndexEqualityManager]: detected not equals via solver