./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.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_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/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_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/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_276d0a43-1fd1-4127-b3b3-9abd773343a3/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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:18:33,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:18:33,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:18:33,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:18:33,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:18:33,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:18:33,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:18:33,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:18:33,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:18:33,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:18:33,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:18:33,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:18:33,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:18:33,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:18:33,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:18:33,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:18:33,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:18:33,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:18:33,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:18:33,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:18:33,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:18:33,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:18:33,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:18:33,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:18:33,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:18:33,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:18:33,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:18:33,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:18:33,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:18:33,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:18:33,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:18:33,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:18:33,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:18:33,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:18:33,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:18:33,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:18:33,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:18:33,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:18:33,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:18:33,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:18:33,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:18:33,493 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:18:33,517 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:18:33,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:18:33,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:18:33,518 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:18:33,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:18:33,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:18:33,519 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:18:33,519 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:18:33,519 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:18:33,519 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:18:33,519 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:18:33,520 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:18:33,520 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:18:33,520 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:18:33,520 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:18:33,520 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:18:33,521 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:18:33,521 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:18:33,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:18:33,522 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:18:33,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:18:33,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:18:33,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:18:33,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:18:33,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:18:33,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:18:33,523 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:18:33,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:18:33,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:18:33,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:18:33,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:18:33,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:18:33,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:18:33,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:18:33,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:18:33,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:18:33,525 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:18:33,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:18:33,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:18:33,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:18:33,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:18:33,526 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2021-11-25 20:18:33,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:18:33,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:18:33,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:18:33,780 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:18:33,780 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:18:33,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-25 20:18:33,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/data/27e3fe019/587c2e17797444c7afb2f9ef93fd3bce/FLAG965ed5fca [2021-11-25 20:18:34,498 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:18:34,503 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-25 20:18:34,534 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/data/27e3fe019/587c2e17797444c7afb2f9ef93fd3bce/FLAG965ed5fca [2021-11-25 20:18:34,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/data/27e3fe019/587c2e17797444c7afb2f9ef93fd3bce [2021-11-25 20:18:34,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:18:34,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:18:34,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:18:34,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:18:34,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:18:34,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:18:34" (1/1) ... [2021-11-25 20:18:34,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395253c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:34, skipping insertion in model container [2021-11-25 20:18:34,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:18:34" (1/1) ... [2021-11-25 20:18:34,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:18:34,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:18:35,263 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_276d0a43-1fd1-4127-b3b3-9abd773343a3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-25 20:18:35,360 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_276d0a43-1fd1-4127-b3b3-9abd773343a3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-25 20:18:35,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:18:35,388 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:18:35,436 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_276d0a43-1fd1-4127-b3b3-9abd773343a3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-25 20:18:35,492 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_276d0a43-1fd1-4127-b3b3-9abd773343a3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-25 20:18:35,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:18:35,558 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:18:35,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35 WrapperNode [2021-11-25 20:18:35,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:18:35,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:18:35,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:18:35,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:18:35,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,664 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 884 [2021-11-25 20:18:35,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:18:35,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:18:35,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:18:35,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:18:35,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:18:35,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:18:35,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:18:35,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:18:35,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (1/1) ... [2021-11-25 20:18:35,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:18:35,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:18:35,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:18:35,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:18:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:18:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:18:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:18:35,901 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:18:35,902 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 20:18:35,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 20:18:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:18:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:18:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:18:35,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:18:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:18:35,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:18:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:18:36,163 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:18:36,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:18:37,148 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:18:37,422 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:18:37,422 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-25 20:18:37,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:18:37 BoogieIcfgContainer [2021-11-25 20:18:37,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:18:37,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:18:37,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:18:37,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:18:37,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:18:34" (1/3) ... [2021-11-25 20:18:37,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2576d457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:18:37, skipping insertion in model container [2021-11-25 20:18:37,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:18:35" (2/3) ... [2021-11-25 20:18:37,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2576d457 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:18:37, skipping insertion in model container [2021-11-25 20:18:37,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:18:37" (3/3) ... [2021-11-25 20:18:37,439 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2021-11-25 20:18:37,446 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:18:37,446 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 20:18:37,530 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:18:37,553 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 20:18:37,553 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 20:18:37,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:18:37,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 20:18:37,584 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:37,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:18:37,586 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:18:37,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:37,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1416617355, now seen corresponding path program 1 times [2021-11-25 20:18:37,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:37,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336360703] [2021-11-25 20:18:37,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:37,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:37,756 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 20:18:37,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:37,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336360703] [2021-11-25 20:18:37,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336360703] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:37,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:37,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:18:37,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943043226] [2021-11-25 20:18:37,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:37,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 20:18:37,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:37,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 20:18:37,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 20:18:37,795 INFO L87 Difference]: Start difference. First operand has 109 states, 96 states have (on average 1.8020833333333333) internal successors, (173), 103 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:18:38,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:38,255 INFO L93 Difference]: Finished difference Result 217 states and 382 transitions. [2021-11-25 20:18:38,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 20:18:38,263 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 20:18:38,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:38,273 INFO L225 Difference]: With dead ends: 217 [2021-11-25 20:18:38,274 INFO L226 Difference]: Without dead ends: 107 [2021-11-25 20:18:38,278 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 20:18:38,281 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:38,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-25 20:18:38,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-11-25 20:18:38,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-11-25 20:18:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 95 states have (on average 1.2210526315789474) internal successors, (116), 101 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:18:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-11-25 20:18:38,329 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 8 [2021-11-25 20:18:38,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:38,329 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-11-25 20:18:38,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:18:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-11-25 20:18:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-25 20:18:38,332 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:38,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:18:38,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:18:38,333 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:18:38,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:38,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1000196391, now seen corresponding path program 1 times [2021-11-25 20:18:38,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:38,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765934607] [2021-11-25 20:18:38,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:38,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:38,410 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 20:18:38,411 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:38,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765934607] [2021-11-25 20:18:38,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765934607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:38,412 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:38,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:18:38,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054802991] [2021-11-25 20:18:38,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:38,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:18:38,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:38,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:18:38,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:18:38,415 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:18:39,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:39,554 INFO L93 Difference]: Finished difference Result 222 states and 282 transitions. [2021-11-25 20:18:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:18:39,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-25 20:18:39,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:39,564 INFO L225 Difference]: With dead ends: 222 [2021-11-25 20:18:39,564 INFO L226 Difference]: Without dead ends: 168 [2021-11-25 20:18:39,565 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 20:18:39,567 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 66 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:39,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 319 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 20:18:39,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-11-25 20:18:39,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 109. [2021-11-25 20:18:39,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 97 states have (on average 1.2164948453608246) internal successors, (118), 103 states have internal predecessors, (118), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:18:39,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2021-11-25 20:18:39,586 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 20 [2021-11-25 20:18:39,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:39,587 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2021-11-25 20:18:39,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:18:39,587 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2021-11-25 20:18:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 20:18:39,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:39,590 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:18:39,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:18:39,590 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:18:39,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:39,591 INFO L85 PathProgramCache]: Analyzing trace with hash -981044614, now seen corresponding path program 1 times [2021-11-25 20:18:39,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:39,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703053054] [2021-11-25 20:18:39,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:39,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:39,795 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:18:39,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1566524222] [2021-11-25 20:18:39,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:39,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:18:39,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:18:39,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:18:39,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 20:18:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:40,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 1648 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:18:40,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:18:40,812 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 20:18:40,812 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:18:40,812 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:40,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703053054] [2021-11-25 20:18:40,812 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:18:40,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566524222] [2021-11-25 20:18:40,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566524222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:40,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:40,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 20:18:40,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154959730] [2021-11-25 20:18:40,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:40,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:18:40,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:40,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:18:40,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:18:40,815 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:18:42,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:18:42,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:42,608 INFO L93 Difference]: Finished difference Result 260 states and 324 transitions. [2021-11-25 20:18:42,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:18:42,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-25 20:18:42,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:42,625 INFO L225 Difference]: With dead ends: 260 [2021-11-25 20:18:42,625 INFO L226 Difference]: Without dead ends: 154 [2021-11-25 20:18:42,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:18:42,628 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 43 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:42,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 238 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 20:18:42,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-25 20:18:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2021-11-25 20:18:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 146 states have internal predecessors, (164), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-25 20:18:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 190 transitions. [2021-11-25 20:18:42,646 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 190 transitions. Word has length 44 [2021-11-25 20:18:42,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:42,647 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 190 transitions. [2021-11-25 20:18:42,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:18:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2021-11-25 20:18:42,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 20:18:42,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:42,650 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 20:18:42,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-25 20:18:42,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:18:42,865 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:18:42,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:42,865 INFO L85 PathProgramCache]: Analyzing trace with hash 2039789200, now seen corresponding path program 1 times [2021-11-25 20:18:42,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:42,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205369189] [2021-11-25 20:18:42,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:42,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:42,944 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:18:42,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2010010882] [2021-11-25 20:18:42,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:42,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:18:42,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:18:42,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:18:42,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 20:18:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:43,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 20:18:43,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:18:43,650 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 20:18:43,650 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:18:43,651 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:43,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205369189] [2021-11-25 20:18:43,651 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:18:43,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010010882] [2021-11-25 20:18:43,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010010882] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:43,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:43,658 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:18:43,658 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164035066] [2021-11-25 20:18:43,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:43,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:18:43,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:43,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:18:43,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:18:43,661 INFO L87 Difference]: Start difference. First operand 152 states and 190 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:18:44,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:44,680 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2021-11-25 20:18:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:18:44,680 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 20:18:44,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:44,683 INFO L225 Difference]: With dead ends: 258 [2021-11-25 20:18:44,683 INFO L226 Difference]: Without dead ends: 122 [2021-11-25 20:18:44,684 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 20:18:44,685 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 163 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:44,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 156 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 20:18:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-11-25 20:18:44,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-11-25 20:18:44,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 110 states have (on average 1.1818181818181819) internal successors, (130), 116 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-25 20:18:44,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2021-11-25 20:18:44,700 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 57 [2021-11-25 20:18:44,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:44,700 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2021-11-25 20:18:44,701 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 20:18:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2021-11-25 20:18:44,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 20:18:44,703 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:44,704 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 20:18:44,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 20:18:44,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:18:44,933 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:18:44,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:44,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1917685262, now seen corresponding path program 1 times [2021-11-25 20:18:44,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:44,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124268836] [2021-11-25 20:18:44,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:44,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:45,011 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:18:45,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582826873] [2021-11-25 20:18:45,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:45,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:18:45,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:18:45,016 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:18:45,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 20:18:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:45,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:18:45,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:18:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:18:46,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 20:18:46,105 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:46,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124268836] [2021-11-25 20:18:46,105 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:18:46,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582826873] [2021-11-25 20:18:46,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582826873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:46,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:46,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 20:18:46,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050470104] [2021-11-25 20:18:46,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:46,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 20:18:46,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:46,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 20:18:46,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 20:18:46,108 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:18:48,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:18:49,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:49,224 INFO L93 Difference]: Finished difference Result 227 states and 276 transitions. [2021-11-25 20:18:49,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 20:18:49,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 20:18:49,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:49,237 INFO L225 Difference]: With dead ends: 227 [2021-11-25 20:18:49,237 INFO L226 Difference]: Without dead ends: 124 [2021-11-25 20:18:49,238 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 20:18:49,239 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:49,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-25 20:18:49,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-25 20:18:49,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2021-11-25 20:18:49,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.1891891891891893) internal successors, (132), 118 states have internal predecessors, (132), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-25 20:18:49,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 149 transitions. [2021-11-25 20:18:49,255 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 149 transitions. Word has length 64 [2021-11-25 20:18:49,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:49,256 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 149 transitions. [2021-11-25 20:18:49,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:18:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 149 transitions. [2021-11-25 20:18:49,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 20:18:49,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:49,259 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 20:18:49,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 20:18:49,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:18:49,481 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:18:49,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:49,481 INFO L85 PathProgramCache]: Analyzing trace with hash 759391854, now seen corresponding path program 1 times [2021-11-25 20:18:49,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:49,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645678513] [2021-11-25 20:18:49,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:49,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:49,566 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 20:18:49,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [995458349] [2021-11-25 20:18:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:49,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 20:18:49,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:18:49,573 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 20:18:49,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_276d0a43-1fd1-4127-b3b3-9abd773343a3/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 20:18:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:51,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 20:18:51,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 20:18:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:18:51,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 20:18:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 20:18:52,064 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:52,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645678513] [2021-11-25 20:18:52,064 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 20:18:52,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995458349] [2021-11-25 20:18:52,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995458349] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 20:18:52,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [940300122] [2021-11-25 20:18:52,088 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2021-11-25 20:18:52,088 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 20:18:52,093 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 20:18:52,099 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 20:18:52,099 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 20:18:52,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-25 20:18:52,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,260 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 20:18:52,261 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 20:18:52,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,273 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 20:18:52,281 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 20:18:52,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,291 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 20:18:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,394 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 20:18:52,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,413 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 20:18:52,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,452 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 20:18:52,453 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 20:18:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,507 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 20:18:52,507 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 20:18:52,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,538 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 20:18:52,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,888 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 20:18:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,917 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 20:18:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,956 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 20:18:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:52,990 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 20:18:53,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,062 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 20:18:53,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,094 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 20:18:53,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,117 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 20:18:53,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,137 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 20:18:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,194 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 20:18:53,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,249 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 20:18:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,282 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 20:18:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,368 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 20:18:53,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 20:18:53,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,389 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 20:18:53,493 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 20:18:53,497 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 20:18:53,501 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 13 treesize of output 9 [2021-11-25 20:18:53,552 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 20:18:53,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 60 [2021-11-25 20:18:53,582 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:18:53,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2021-11-25 20:18:53,609 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 20:18:53,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 50 [2021-11-25 20:18:53,650 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 20:18:53,658 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 20:18:53,664 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 20:18:53,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,735 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 20:18:53,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,762 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 108 treesize of output 42 [2021-11-25 20:18:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 16 [2021-11-25 20:18:53,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,923 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 20:18:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,949 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 108 treesize of output 42 [2021-11-25 20:18:53,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:18:53,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 16 [2021-11-25 20:19:00,804 WARN L227 SmtUtils]: Spent 6.68s 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 20:19:00,805 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 20:19:00,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 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 20:19:00,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:10,767 WARN L227 SmtUtils]: Spent 9.83s 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 20:19:10,768 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 20:19:10,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 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 20:19:11,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:11,307 INFO L244 Elim1Store]: Index analysis took 357 ms [2021-11-25 20:19:22,315 WARN L227 SmtUtils]: Spent 10.79s 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 20:19:22,316 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 20:19:22,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 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 20:19:22,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:22,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:22,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:22,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:22,911 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-11-25 20:19:24,112 INFO L354 Elim1Store]: treesize reduction 72, result has 33.9 percent of original size [2021-11-25 20:19:24,113 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 20:19:24,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:24,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:24,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:24,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:24,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 20:19:24,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:25,003 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 20:19:25,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 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 20:19:25,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:25,406 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:19:25,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 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 20:19:25,474 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:25,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:25,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2021-11-25 20:19:25,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:25,937 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-25 20:19:25,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-25 20:19:26,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:26,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:26,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:26,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:26,289 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:19:26,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1194 treesize of output 1010 [2021-11-25 20:19:26,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:26,386 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:26,415 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:26,448 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:26,484 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:26,565 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:26,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:26,649 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:26,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:26,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:26,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:26,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:26,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:26,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:26,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:26,932 INFO L244 Elim1Store]: Index analysis took 165 ms [2021-11-25 20:19:27,360 INFO L354 Elim1Store]: treesize reduction 224, result has 51.4 percent of original size [2021-11-25 20:19:27,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1271 treesize of output 1059 [2021-11-25 20:19:27,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:27,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:27,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:27,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:27,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:27,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:27,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:27,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:27,971 INFO L354 Elim1Store]: treesize reduction 203, result has 48.3 percent of original size [2021-11-25 20:19:27,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1203 treesize of output 1013 [2021-11-25 20:19:28,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:28,075 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:28,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:28,147 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:28,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:28,285 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:28,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,498 INFO L354 Elim1Store]: treesize reduction 6, result has 66.7 percent of original size [2021-11-25 20:19:28,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 815 treesize of output 377 [2021-11-25 20:19:28,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:28,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 20:19:28,744 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,759 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-25 20:19:28,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:28,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:28,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:29,005 INFO L244 Elim1Store]: Index analysis took 115 ms [2021-11-25 20:19:29,273 INFO L354 Elim1Store]: treesize reduction 18, result has 84.6 percent of original size [2021-11-25 20:19:29,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 815 treesize of output 463 [2021-11-25 20:19:29,337 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:29,636 INFO L244 Elim1Store]: Index analysis took 242 ms [2021-11-25 20:19:29,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:30,921 INFO L354 Elim1Store]: treesize reduction 1275, result has 30.8 percent of original size [2021-11-25 20:19:30,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1280 treesize of output 1393 [2021-11-25 20:19:31,217 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:31,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:31,221 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:31,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:31,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1194 treesize of output 820 [2021-11-25 20:19:31,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:31,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:31,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:31,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:31,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:31,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:31,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:31,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:31,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:31,672 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 20:19:31,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 408 [2021-11-25 20:19:31,705 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:31,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:31,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:31,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:31,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:31,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:31,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:31,978 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-25 20:19:32,427 INFO L354 Elim1Store]: treesize reduction 796, result has 34.6 percent of original size [2021-11-25 20:19:32,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1271 treesize of output 1243 [2021-11-25 20:19:32,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:32,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:32,706 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:32,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:32,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:32,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1194 treesize of output 820 [2021-11-25 20:19:32,769 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:32,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:32,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:32,880 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:32,910 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:33,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:33,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:33,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:33,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:33,162 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 20:19:33,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 806 treesize of output 408 [2021-11-25 20:19:33,193 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:33,292 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:33,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:33,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:33,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:33,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:33,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 806 treesize of output 362 [2021-11-25 20:19:33,358 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:33,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:33,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:34,176 INFO L354 Elim1Store]: treesize reduction 880, result has 34.5 percent of original size [2021-11-25 20:19:34,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 1271 treesize of output 1285 [2021-11-25 20:19:34,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:34,689 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:34,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:34,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:34,787 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:34,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:34,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:34,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:34,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:35,042 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:19:35,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1250 treesize of output 1038 [2021-11-25 20:19:35,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,155 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,185 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:35,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:35,294 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 1173 treesize of output 817 [2021-11-25 20:19:35,335 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,359 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,468 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,491 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,521 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,554 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:35,620 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:35,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:35,635 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:35,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:35,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:35,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:35,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:35,756 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-11-25 20:19:36,121 INFO L354 Elim1Store]: treesize reduction 6, result has 97.7 percent of original size [2021-11-25 20:19:36,122 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 2 case distinctions, treesize of input 1259 treesize of output 1081 [2021-11-25 20:19:36,172 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,226 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,315 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:36,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:36,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:36,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 1182 treesize of output 820 [2021-11-25 20:19:36,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,480 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,547 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,603 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,721 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,793 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:36,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:36,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:36,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:36,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:36,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 20:19:36,977 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,070 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,143 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,168 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,202 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,276 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,359 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,430 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,486 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,536 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,641 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,887 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,912 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:37,966 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:37,982 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:37,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:38,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:38,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 20:19:38,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,108 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,132 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,217 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,260 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,343 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,370 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,399 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:38,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:38,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:38,543 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:38,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:38,600 INFO L244 Elim1Store]: Index analysis took 152 ms [2021-11-25 20:19:39,047 INFO L354 Elim1Store]: treesize reduction 798, result has 33.4 percent of original size [2021-11-25 20:19:39,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 1259 treesize of output 1223 [2021-11-25 20:19:39,113 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,187 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:39,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:39,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:39,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:39,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:39,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 794 treesize of output 362 [2021-11-25 20:19:39,237 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,305 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,440 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,479 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,516 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:39,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:39,635 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 785 treesize of output 359 [2021-11-25 20:19:39,666 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,696 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 20:19:39,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:39,862 INFO L354 Elim1Store]: treesize reduction 790, result has 0.1 percent of original size [2021-11-25 20:19:39,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 1250 treesize of output 820 [2021-11-25 20:19:39,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:39,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,056 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,111 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,134 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,216 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,362 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,392 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,500 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:40,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:41,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:41,087 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 20:19:41,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 13 [2021-11-25 20:19:41,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:41,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:41,239 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-25 20:19:41,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 16 [2021-11-25 20:19:41,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:41,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:41,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:41,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:41,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-11-25 20:19:41,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:41,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 20:19:43,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 20:19:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver