./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/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_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/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_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/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 9a08b66a27502bd32ab373960778294a6ce88841aa5560ae4bca712e152c143f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:45:35,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:45:35,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:45:35,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:45:35,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:45:35,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:45:35,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:45:35,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:45:35,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:45:35,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:45:35,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:45:35,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:45:35,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:45:35,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:45:35,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:45:35,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:45:35,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:45:35,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:45:35,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:45:35,406 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:45:35,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:45:35,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:45:35,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:45:35,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:45:35,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:45:35,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:45:35,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:45:35,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:45:35,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:45:35,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:45:35,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:45:35,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:45:35,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:45:35,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:45:35,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:45:35,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:45:35,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:45:35,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:45:35,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:45:35,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:45:35,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:45:35,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 19:45:35,493 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:45:35,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:45:35,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:45:35,495 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:45:35,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:45:35,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:45:35,500 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:45:35,500 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:45:35,500 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:45:35,501 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:45:35,502 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:45:35,502 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:45:35,502 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:45:35,503 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:45:35,503 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:45:35,503 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:45:35,503 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:45:35,504 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:45:35,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:45:35,505 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 19:45:35,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:45:35,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 19:45:35,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:45:35,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:45:35,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:45:35,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:45:35,508 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 19:45:35,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:45:35,509 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:45:35,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:45:35,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:45:35,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:45:35,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:45:35,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:45:35,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:45:35,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:45:35,511 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:45:35,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:45:35,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:45:35,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:45:35,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:45:35,512 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_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a08b66a27502bd32ab373960778294a6ce88841aa5560ae4bca712e152c143f [2021-11-25 19:45:35,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:45:35,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:45:35,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:45:35,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:45:35,819 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:45:35,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i [2021-11-25 19:45:35,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/data/2a053d599/6a3fb3f217a141eba1627ff0ba6fc026/FLAGf611f7434 [2021-11-25 19:45:36,458 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:45:36,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i [2021-11-25 19:45:36,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/data/2a053d599/6a3fb3f217a141eba1627ff0ba6fc026/FLAGf611f7434 [2021-11-25 19:45:36,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/data/2a053d599/6a3fb3f217a141eba1627ff0ba6fc026 [2021-11-25 19:45:36,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:45:36,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:45:36,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:45:36,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:45:36,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:45:36,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:45:36" (1/1) ... [2021-11-25 19:45:36,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e659e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:36, skipping insertion in model container [2021-11-25 19:45:36,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:45:36" (1/1) ... [2021-11-25 19:45:36,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:45:36,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:45:37,293 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_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i[33021,33034] [2021-11-25 19:45:37,477 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_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i[49681,49694] [2021-11-25 19:45:37,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:45:37,521 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:45:37,550 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_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i[33021,33034] [2021-11-25 19:45:37,634 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_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-2.i[49681,49694] [2021-11-25 19:45:37,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:45:37,683 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:45:37,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37 WrapperNode [2021-11-25 19:45:37,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:45:37,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:45:37,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:45:37,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:45:37,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:37,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:37,815 INFO L137 Inliner]: procedures = 177, calls = 439, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1557 [2021-11-25 19:45:37,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:45:37,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:45:37,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:45:37,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:45:37,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:37,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:37,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:37,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:37,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:37,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:37,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:37,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:45:37,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:45:37,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:45:37,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:45:37,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (1/1) ... [2021-11-25 19:45:38,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:45:38,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:38,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:45:38,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:45:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:45:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 19:45:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 19:45:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:45:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:45:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:45:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:45:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:45:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:45:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:45:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:45:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:45:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:45:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:45:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:45:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:45:38,364 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:45:38,365 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:45:39,908 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:45:40,468 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:45:40,469 INFO L301 CfgBuilder]: Removed 92 assume(true) statements. [2021-11-25 19:45:40,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:45:40 BoogieIcfgContainer [2021-11-25 19:45:40,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:45:40,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:45:40,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:45:40,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:45:40,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:45:36" (1/3) ... [2021-11-25 19:45:40,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca75267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:45:40, skipping insertion in model container [2021-11-25 19:45:40,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:45:37" (2/3) ... [2021-11-25 19:45:40,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca75267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:45:40, skipping insertion in model container [2021-11-25 19:45:40,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:45:40" (3/3) ... [2021-11-25 19:45:40,484 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-2.i [2021-11-25 19:45:40,494 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:45:40,495 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 19:45:40,558 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:45:40,575 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 19:45:40,575 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-25 19:45:40,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:45:40,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 19:45:40,610 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:40,610 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-25 19:45:40,611 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:45:40,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2112910889, now seen corresponding path program 1 times [2021-11-25 19:45:40,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:40,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773848652] [2021-11-25 19:45:40,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:40,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:40,833 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 19:45:40,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:40,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773848652] [2021-11-25 19:45:40,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773848652] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:40,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:45:40,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 19:45:40,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690877669] [2021-11-25 19:45:40,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:40,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:45:40,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:40,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:45:40,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:45:40,883 INFO L87 Difference]: Start difference. First operand has 165 states, 149 states have (on average 1.8120805369127517) internal successors, (270), 156 states have internal predecessors, (270), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 19:45:42,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:42,935 INFO L93 Difference]: Finished difference Result 469 states and 850 transitions. [2021-11-25 19:45:42,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:45:42,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-25 19:45:42,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:42,960 INFO L225 Difference]: With dead ends: 469 [2021-11-25 19:45:42,961 INFO L226 Difference]: Without dead ends: 290 [2021-11-25 19:45:42,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 19:45:42,969 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 149 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:42,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 19:45:42,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-11-25 19:45:43,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 151. [2021-11-25 19:45:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 136 states have (on average 1.1911764705882353) internal successors, (162), 142 states have internal predecessors, (162), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:45:43,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2021-11-25 19:45:43,026 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 6 [2021-11-25 19:45:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:43,026 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2021-11-25 19:45:43,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 19:45:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2021-11-25 19:45:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 19:45:43,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:43,031 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:45:43,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:45:43,031 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:45:43,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:43,032 INFO L85 PathProgramCache]: Analyzing trace with hash 243995739, now seen corresponding path program 1 times [2021-11-25 19:45:43,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:43,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362887090] [2021-11-25 19:45:43,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:43,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:43,306 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:43,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595514668] [2021-11-25 19:45:43,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:43,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:43,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:43,331 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:43,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 19:45:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:44,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 3095 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:45:44,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:44,690 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:45:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 19:45:44,874 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:44,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362887090] [2021-11-25 19:45:44,875 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:44,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595514668] [2021-11-25 19:45:44,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595514668] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:45:44,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1387257436] [2021-11-25 19:45:44,897 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2021-11-25 19:45:44,897 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:45:44,902 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:45:44,906 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:45:44,907 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:45:45,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,098 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:45:45,099 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 19:45:45,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,112 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 19:45:45,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,211 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:45:45,211 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 19:45:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,228 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 19:45:45,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:45:45,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 19:45:45,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:45:45,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2021-11-25 19:45:45,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:45:45,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:45:45,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,697 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 19:45:45,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:45,722 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 19:45:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,065 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 19:45:46,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,095 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 19:45:46,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:45:46,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:46,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:45:46,161 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:45:47,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1387257436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:47,440 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 19:45:47,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2021-11-25 19:45:47,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381991599] [2021-11-25 19:45:47,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:47,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 19:45:47,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:47,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 19:45:47,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:45:47,443 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 19:45:50,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:45:50,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:45:50,760 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2021-11-25 19:45:50,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 19:45:50,761 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-11-25 19:45:50,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:45:50,763 INFO L225 Difference]: With dead ends: 313 [2021-11-25 19:45:50,763 INFO L226 Difference]: Without dead ends: 164 [2021-11-25 19:45:50,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=63, Invalid=69, Unknown=0, NotChecked=0, Total=132 [2021-11-25 19:45:50,766 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 14 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:45:50,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 295 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-25 19:45:50,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-25 19:45:50,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2021-11-25 19:45:50,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 146 states have (on average 1.178082191780822) internal successors, (172), 152 states have internal predecessors, (172), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 19:45:50,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 194 transitions. [2021-11-25 19:45:50,784 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 194 transitions. Word has length 61 [2021-11-25 19:45:50,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:45:50,784 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 194 transitions. [2021-11-25 19:45:50,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 7 states have internal predecessors, (61), 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 19:45:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 194 transitions. [2021-11-25 19:45:50,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 19:45:50,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:45:50,789 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:45:50,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 19:45:51,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:51,015 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:45:51,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:45:51,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1551302318, now seen corresponding path program 1 times [2021-11-25 19:45:51,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:45:51,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518889919] [2021-11-25 19:45:51,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:51,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:45:51,186 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:45:51,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1373157802] [2021-11-25 19:45:51,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:45:51,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:45:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:45:51,188 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:45:51,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 19:45:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:45:52,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:45:52,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:45:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:45:52,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:45:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 19:45:52,615 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:45:52,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518889919] [2021-11-25 19:45:52,615 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:45:52,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373157802] [2021-11-25 19:45:52,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373157802] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:45:52,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [790066525] [2021-11-25 19:45:52,621 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 19:45:52,621 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:45:52,622 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:45:52,622 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:45:52,622 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:45:52,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,783 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:45:52,783 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 19:45:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,795 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 19:45:52,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,850 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:45:52,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 19:45:52,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,868 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 19:45:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,883 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 19:45:52,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:45:52,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,908 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-25 19:45:52,908 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 1 case distinctions, treesize of input 33 treesize of output 43 [2021-11-25 19:45:52,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:52,950 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:45:52,950 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 19:45:53,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,219 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 19:45:53,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 19:45:53,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:45:53,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:45:53,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,342 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 19:45:53,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 19:45:53,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,404 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 19:45:53,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,496 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 19:45:53,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,535 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 19:45:53,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,603 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 19:45:53,604 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 19:45:53,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,622 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 19:45:53,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:53,655 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 70 treesize of output 69 [2021-11-25 19:45:54,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,110 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 19:45:54,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,128 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 19:45:54,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:45:54,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:45:54,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,243 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 19:45:54,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,257 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 19:45:54,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 19:45:54,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,354 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 19:45:54,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,380 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 70 treesize of output 69 [2021-11-25 19:45:54,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,413 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 19:45:54,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,439 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 19:45:54,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:45:54,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 19:45:54,692 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 113 for LOIs [2021-11-25 19:45:54,766 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-25 19:45:57,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [790066525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:45:57,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-25 19:45:57,110 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2021-11-25 19:45:57,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131246580] [2021-11-25 19:45:57,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:45:57,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 19:45:57,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:45:57,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 19:45:57,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:45:57,113 INFO L87 Difference]: Start difference. First operand 161 states and 194 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:46:01,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:46:05,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 19:46:06,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:46:06,147 INFO L93 Difference]: Finished difference Result 315 states and 384 transitions. [2021-11-25 19:46:06,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 19:46:06,148 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2021-11-25 19:46:06,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:46:06,149 INFO L225 Difference]: With dead ends: 315 [2021-11-25 19:46:06,149 INFO L226 Difference]: Without dead ends: 166 [2021-11-25 19:46:06,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 201 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=100, Invalid=172, Unknown=0, NotChecked=0, Total=272 [2021-11-25 19:46:06,152 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 7 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 81 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-25 19:46:06,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 841 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 314 Invalid, 0 Unknown, 81 Unchecked, 9.0s Time] [2021-11-25 19:46:06,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-25 19:46:06,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-11-25 19:46:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 156 states have internal predecessors, (176), 12 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2021-11-25 19:46:06,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 200 transitions. [2021-11-25 19:46:06,174 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 200 transitions. Word has length 74 [2021-11-25 19:46:06,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:46:06,174 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 200 transitions. [2021-11-25 19:46:06,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-25 19:46:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 200 transitions. [2021-11-25 19:46:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 19:46:06,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:46:06,178 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 19:46:06,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 19:46:06,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:46:06,385 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:46:06,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:46:06,385 INFO L85 PathProgramCache]: Analyzing trace with hash 641923186, now seen corresponding path program 1 times [2021-11-25 19:46:06,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:46:06,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726314264] [2021-11-25 19:46:06,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:46:06,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:46:06,511 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 19:46:06,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599721025] [2021-11-25 19:46:06,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:46:06,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 19:46:06,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:46:06,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 19:46:06,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dddc304-e5b1-4218-8ef3-32a7629bf4c7/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 19:46:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:46:07,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 2247 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 19:46:07,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 19:46:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:46:07,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 19:46:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 19:46:07,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:46:07,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726314264] [2021-11-25 19:46:07,887 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 19:46:07,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599721025] [2021-11-25 19:46:07,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599721025] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 19:46:07,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1261581292] [2021-11-25 19:46:07,895 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2021-11-25 19:46:07,895 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 19:46:07,896 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 19:46:07,896 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 19:46:07,896 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 19:46:07,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,000 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 19:46:08,000 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 19:46:08,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,013 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 19:46:08,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,044 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 19:46:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,072 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 19:46:08,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 19:46:08,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,091 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 19:46:08,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,128 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 19:46:08,129 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 19:46:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 19:46:08,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2021-11-25 19:46:08,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,460 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 19:46:08,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,479 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 19:46:08,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 19:46:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 19:46:08,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,571 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 19:46:08,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 19 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 78 [2021-11-25 19:46:08,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,628 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 19:46:08,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,676 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 70 treesize of output 69 [2021-11-25 19:46:08,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,697 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 19:46:08,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,724 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 19:46:08,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,746 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 19:46:08,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:08,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 55 [2021-11-25 19:46:08,846 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 19:46:08,851 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 19:46:08,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-25 19:46:08,907 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-25 19:46:08,907 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 19:46:08,938 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:46:08,938 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 19:46:08,967 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-25 19:46:08,967 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 19:46:09,002 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 19:46:09,007 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 19:46:09,011 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 19:46:09,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:46:09,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 19:46:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:46:09,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-25 19:46:09,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 19:46:09,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:09,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 19:46:20,230 WARN L227 SmtUtils]: Spent 10.73s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 19:46:20,231 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 19:46:20,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 19:46:20,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:30,450 WARN L227 SmtUtils]: Spent 10.08s 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 19:46:30,450 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 19:46:30,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 19:46:30,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:30,930 INFO L244 Elim1Store]: Index analysis took 346 ms [2021-11-25 19:46:40,952 WARN L227 SmtUtils]: Spent 9.78s 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 19:46:40,954 INFO L354 Elim1Store]: treesize reduction 2494, result has 31.7 percent of original size [2021-11-25 19:46:40,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1542 treesize of output 1373 [2021-11-25 19:46:41,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,518 INFO L244 Elim1Store]: Index analysis took 208 ms [2021-11-25 19:46:41,529 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-25 19:46:41,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 16 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 19:46:41,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:41,902 INFO L244 Elim1Store]: Index analysis took 217 ms [2021-11-25 19:46:41,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 19:46:42,252 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:42,281 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:42,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:42,530 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 19:46:42,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-25 19:46:42,559 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 19:46:42,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 19:46:42,968 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 19:46:42,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 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