./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb182062e759f3e947e2f86847df2222bda90081d4cc013a50b9baa2d9844063 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:46:00,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:46:00,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:46:00,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:46:00,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:46:00,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:46:00,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:46:00,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:46:00,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:46:00,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:46:00,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:46:00,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:46:00,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:46:00,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:46:00,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:46:00,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:46:00,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:46:00,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:46:00,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:46:00,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:46:00,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:46:00,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:46:00,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:46:00,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:46:00,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:46:00,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:46:00,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:46:00,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:46:00,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:46:00,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:46:00,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:46:00,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:46:00,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:46:00,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:46:00,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:46:00,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:46:00,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:46:00,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:46:00,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:46:00,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:46:00,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:46:00,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:46:00,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:46:00,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:46:00,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:46:00,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:46:00,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:46:00,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:46:00,491 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:46:00,491 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:46:00,492 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:46:00,492 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:46:00,493 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:46:00,493 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:46:00,494 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:46:00,494 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:46:00,494 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:46:00,495 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:46:00,495 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:46:00,495 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:46:00,496 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:46:00,497 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:46:00,497 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:46:00,497 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:46:00,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:46:00,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:46:00,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:46:00,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:46:00,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:46:00,501 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:46:00,501 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:46:00,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:46:00,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:46:00,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:46:00,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:46:00,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:46:00,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:00,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:46:00,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:46:00,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:46:00,504 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:46:00,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:46:00,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:46:00,505 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:46:00,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:46:00,506 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_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb182062e759f3e947e2f86847df2222bda90081d4cc013a50b9baa2d9844063 [2021-11-21 01:46:00,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:46:00,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:46:00,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:46:00,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:46:00,891 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:46:00,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i [2021-11-21 01:46:00,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/data/6d45e0839/2b3c312a1a624ed4ab062c80d439a6e5/FLAG4eef6a1f1 [2021-11-21 01:46:01,782 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:46:01,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i [2021-11-21 01:46:01,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/data/6d45e0839/2b3c312a1a624ed4ab062c80d439a6e5/FLAG4eef6a1f1 [2021-11-21 01:46:01,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/data/6d45e0839/2b3c312a1a624ed4ab062c80d439a6e5 [2021-11-21 01:46:01,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:46:01,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:46:01,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:01,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:46:01,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:46:01,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:01" (1/1) ... [2021-11-21 01:46:01,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1332ae88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:01, skipping insertion in model container [2021-11-21 01:46:01,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:46:01" (1/1) ... [2021-11-21 01:46:01,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:46:02,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:46:02,701 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_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i[33021,33034] [2021-11-21 01:46:02,953 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_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i[49681,49694] [2021-11-21 01:46:03,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:03,021 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:46:03,052 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_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i[33021,33034] [2021-11-21 01:46:03,208 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_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test5-3.i[49681,49694] [2021-11-21 01:46:03,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:46:03,309 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:46:03,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03 WrapperNode [2021-11-21 01:46:03,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:46:03,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:03,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:46:03,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:46:03,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,552 INFO L137 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2021-11-21 01:46:03,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:46:03,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:46:03,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:46:03,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:46:03,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:46:03,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:46:03,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:46:03,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:46:03,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (1/1) ... [2021-11-21 01:46:03,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:46:03,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:03,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:46:03,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:46:03,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:46:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:46:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:46:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:46:03,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:46:03,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:46:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:46:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:46:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:46:03,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:46:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:46:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:46:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:46:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:46:03,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:46:03,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:46:04,338 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:46:04,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:46:06,360 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:46:07,204 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:46:07,204 INFO L301 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-21 01:46:07,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:07 BoogieIcfgContainer [2021-11-21 01:46:07,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:46:07,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:46:07,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:46:07,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:46:07,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:46:01" (1/3) ... [2021-11-21 01:46:07,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8a567a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:07, skipping insertion in model container [2021-11-21 01:46:07,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:46:03" (2/3) ... [2021-11-21 01:46:07,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8a567a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:46:07, skipping insertion in model container [2021-11-21 01:46:07,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:46:07" (3/3) ... [2021-11-21 01:46:07,228 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test5-3.i [2021-11-21 01:46:07,235 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:46:07,236 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-21 01:46:07,323 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:46:07,331 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:46:07,335 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-21 01:46:07,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 190 states, 166 states have (on average 1.8313253012048192) internal successors, (304), 181 states have internal predecessors, (304), 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) [2021-11-21 01:46:07,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 01:46:07,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:07,373 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 01:46:07,374 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:46:07,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:07,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1340156, now seen corresponding path program 1 times [2021-11-21 01:46:07,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:07,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798207821] [2021-11-21 01:46:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:07,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:07,582 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:07,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625225244] [2021-11-21 01:46:07,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:07,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:07,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:07,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:07,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:46:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:07,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:07,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:07,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:07,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:07,971 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:07,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798207821] [2021-11-21 01:46:07,972 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:07,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625225244] [2021-11-21 01:46:07,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625225244] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:07,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:07,974 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:46:07,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286819352] [2021-11-21 01:46:07,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:07,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:46:07,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:08,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:46:08,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:08,019 INFO L87 Difference]: Start difference. First operand has 190 states, 166 states have (on average 1.8313253012048192) internal successors, (304), 181 states have internal predecessors, (304), 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, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:09,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:09,975 INFO L93 Difference]: Finished difference Result 528 states and 925 transitions. [2021-11-21 01:46:09,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:46:09,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-21 01:46:09,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:10,034 INFO L225 Difference]: With dead ends: 528 [2021-11-21 01:46:10,035 INFO L226 Difference]: Without dead ends: 312 [2021-11-21 01:46:10,042 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 [2021-11-21 01:46:10,052 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 159 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:10,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 381 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-21 01:46:10,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-21 01:46:10,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-21 01:46:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 186 states have (on average 1.2473118279569892) internal successors, (232), 203 states have internal predecessors, (232), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:46:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-21 01:46:10,164 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-21 01:46:10,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:10,164 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-21 01:46:10,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:10,165 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-21 01:46:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 01:46:10,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:10,169 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] [2021-11-21 01:46:10,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:10,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:46:10,396 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:46:10,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:10,397 INFO L85 PathProgramCache]: Analyzing trace with hash -938569559, now seen corresponding path program 1 times [2021-11-21 01:46:10,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:10,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835623632] [2021-11-21 01:46:10,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:10,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:10,457 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:10,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1199632908] [2021-11-21 01:46:10,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:10,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:10,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:10,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:10,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:46:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:10,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:10,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:11,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:11,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:11,072 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:11,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835623632] [2021-11-21 01:46:11,072 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:11,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199632908] [2021-11-21 01:46:11,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199632908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:11,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:11,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:46:11,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996601772] [2021-11-21 01:46:11,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:11,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:46:11,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:11,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:46:11,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:46:11,076 INFO L87 Difference]: Start difference. First operand 212 states and 264 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:16,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:16,496 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-21 01:46:16,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:46:16,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-21 01:46:16,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:16,506 INFO L225 Difference]: With dead ends: 312 [2021-11-21 01:46:16,506 INFO L226 Difference]: Without dead ends: 311 [2021-11-21 01:46:16,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:46:16,509 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 116 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:16,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 521 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-21 01:46:16,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-21 01:46:16,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-21 01:46:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 275 states have (on average 1.2036363636363636) internal successors, (331), 292 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:46:16,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-21 01:46:16,547 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-21 01:46:16,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:16,548 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-21 01:46:16,548 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:16,549 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-21 01:46:16,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 01:46:16,551 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:16,552 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] [2021-11-21 01:46:16,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:16,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-21 01:46:16,772 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:46:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:16,773 INFO L85 PathProgramCache]: Analyzing trace with hash 969115508, now seen corresponding path program 1 times [2021-11-21 01:46:16,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:16,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370908855] [2021-11-21 01:46:16,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:16,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:16,804 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:16,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [684703034] [2021-11-21 01:46:16,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:16,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:16,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:16,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:16,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:46:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:17,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:46:17,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:17,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:17,339 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:17,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370908855] [2021-11-21 01:46:17,340 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:17,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684703034] [2021-11-21 01:46:17,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684703034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:17,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:17,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:46:17,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671486294] [2021-11-21 01:46:17,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:17,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:46:17,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:17,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:46:17,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:46:17,346 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:18,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:18,830 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-21 01:46:18,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:46:18,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-21 01:46:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:18,844 INFO L225 Difference]: With dead ends: 307 [2021-11-21 01:46:18,844 INFO L226 Difference]: Without dead ends: 305 [2021-11-21 01:46:18,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:46:18,846 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:18,847 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 01:46:18,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-21 01:46:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-21 01:46:18,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 274 states have (on average 1.197080291970803) internal successors, (328), 289 states have internal predecessors, (328), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:46:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-21 01:46:18,873 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-21 01:46:18,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:18,874 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-21 01:46:18,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:18,874 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-21 01:46:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 01:46:18,877 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:18,877 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:18,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:19,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:19,092 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:46:19,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:19,093 INFO L85 PathProgramCache]: Analyzing trace with hash -687852433, now seen corresponding path program 1 times [2021-11-21 01:46:19,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:19,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722819755] [2021-11-21 01:46:19,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:19,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:19,122 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:19,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962724617] [2021-11-21 01:46:19,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:19,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:19,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:19,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:46:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:19,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:46:19,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:19,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:46:19,754 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:19,755 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:19,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722819755] [2021-11-21 01:46:19,758 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:19,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962724617] [2021-11-21 01:46:19,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962724617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:19,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:19,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:46:19,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999622642] [2021-11-21 01:46:19,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:19,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:46:19,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:19,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:46:19,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:19,764 INFO L87 Difference]: Start difference. First operand 304 states and 372 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:22,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:22,569 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-21 01:46:22,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:46:22,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-21 01:46:22,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:22,591 INFO L225 Difference]: With dead ends: 589 [2021-11-21 01:46:22,591 INFO L226 Difference]: Without dead ends: 357 [2021-11-21 01:46:22,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:22,594 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:22,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-11-21 01:46:22,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-21 01:46:22,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-21 01:46:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 338 states have internal predecessors, (383), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-21 01:46:22,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-21 01:46:22,646 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-21 01:46:22,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:22,647 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-21 01:46:22,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:46:22,647 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-21 01:46:22,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 01:46:22,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:22,651 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:46:22,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:22,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:22,864 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:46:22,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:22,864 INFO L85 PathProgramCache]: Analyzing trace with hash 275991936, now seen corresponding path program 1 times [2021-11-21 01:46:22,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:22,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970825988] [2021-11-21 01:46:22,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:22,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:22,920 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:22,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1658368617] [2021-11-21 01:46:22,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:22,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:22,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:22,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:22,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:46:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:46:23,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:46:23,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:46:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:46:23,508 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:46:23,509 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:46:23,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970825988] [2021-11-21 01:46:23,509 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:46:23,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658368617] [2021-11-21 01:46:23,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658368617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:46:23,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:46:23,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:46:23,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83407449] [2021-11-21 01:46:23,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:46:23,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:46:23,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:46:23,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:46:23,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:23,526 INFO L87 Difference]: Start difference. First operand 353 states and 447 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:46:26,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:46:26,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:46:26,973 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-21 01:46:26,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:46:26,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 01:46:26,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:46:27,001 INFO L225 Difference]: With dead ends: 678 [2021-11-21 01:46:27,001 INFO L226 Difference]: Without dead ends: 351 [2021-11-21 01:46:27,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:46:27,004 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:46:27,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-21 01:46:27,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-21 01:46:27,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-21 01:46:27,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 336 states have internal predecessors, (380), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-21 01:46:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-21 01:46:27,033 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-21 01:46:27,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:46:27,033 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-21 01:46:27,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:46:27,034 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-21 01:46:27,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 01:46:27,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:46:27,038 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 01:46:27,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:46:27,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:27,252 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:46:27,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:46:27,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1091525609, now seen corresponding path program 1 times [2021-11-21 01:46:27,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:46:27,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426002158] [2021-11-21 01:46:27,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:27,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:46:27,326 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:46:27,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1922562126] [2021-11-21 01:46:27,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:46:27,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:46:27,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:46:27,342 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:46:27,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:47:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:22,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:47:22,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 01:47:22,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:47:22,613 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:22,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426002158] [2021-11-21 01:47:22,613 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:22,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922562126] [2021-11-21 01:47:22,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922562126] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:47:22,614 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:47:22,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:47:22,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059785109] [2021-11-21 01:47:22,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:47:22,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:47:22,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:47:22,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:47:22,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:47:22,616 INFO L87 Difference]: Start difference. First operand 351 states and 444 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:47:24,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:47:24,107 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-21 01:47:24,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:47:24,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-21 01:47:24,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:47:24,115 INFO L225 Difference]: With dead ends: 684 [2021-11-21 01:47:24,115 INFO L226 Difference]: Without dead ends: 353 [2021-11-21 01:47:24,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:47:24,117 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:47:24,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 01:47:24,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-21 01:47:24,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-21 01:47:24,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 338 states have internal predecessors, (382), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-21 01:47:24,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-21 01:47:24,139 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-21 01:47:24,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:47:24,140 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-21 01:47:24,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:47:24,140 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-21 01:47:24,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 01:47:24,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:47:24,142 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-11-21 01:47:24,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:47:24,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:24,343 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:47:24,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:47:24,343 INFO L85 PathProgramCache]: Analyzing trace with hash 465521, now seen corresponding path program 1 times [2021-11-21 01:47:24,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:47:24,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243543388] [2021-11-21 01:47:24,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:24,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:47:24,367 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:47:24,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100034176] [2021-11-21 01:47:24,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:47:24,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:47:24,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:47:24,370 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:47:24,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d0d225-48dc-4b1d-9e3b-4a141ada95b8/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:47:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:47:26,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 01:47:26,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:47:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 01:47:26,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:47:26,677 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:47:26,677 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:47:26,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243543388] [2021-11-21 01:47:26,678 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:47:26,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100034176] [2021-11-21 01:47:26,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100034176] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:47:26,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1114252816] [2021-11-21 01:47:26,726 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-21 01:47:26,726 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:47:26,732 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:47:26,741 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:47:26,742 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:47:26,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,954 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:47:26,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 01:47:26,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:26,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:47:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:27,061 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:47:27,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 01:47:27,124 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:47:27,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 01:47:27,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:47:27,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:47:27,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:27,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:27,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:27,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:27,226 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:47:27,226 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 [2021-11-21 01:47:27,420 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 19 treesize of output 1 [2021-11-21 01:47:27,488 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 19 treesize of output 1 [2021-11-21 01:47:27,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:27,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:27,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:47:28,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:47:28,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:47:28,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:28,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:47:29,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:47:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:47:29,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:47:29,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:47:29,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:47:29,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:47:29,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,442 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:47:29,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:47:29,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:47:29,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,593 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 01:47:29,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 01:47:29,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:29,654 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:47:29,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 01:47:30,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:47:30,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:47:30,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:47:30,298 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:47:30,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 01:47:30,322 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:47:30,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 01:47:30,345 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:47:30,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 01:47:30,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:47:30,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:47:30,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:47:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:47:30,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:47:30,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 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 [2021-11-21 01:47:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:47:30,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:30,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:47:31,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:31,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:31,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:31,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:31,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:31,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:31,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:31,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:31,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 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 [2021-11-21 01:47:36,928 WARN L227 SmtUtils]: Spent 5.77s 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) [2021-11-21 01:47:36,929 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:47:36,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 01:47:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:45,145 WARN L227 SmtUtils]: Spent 8.17s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:47:45,146 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:47:45,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 01:47:55,864 WARN L227 SmtUtils]: Spent 10.53s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:47:55,865 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:47:55,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-21 01:47:56,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:57,105 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:47:57,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-21 01:47:57,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:57,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:57,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:47:58,036 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 01:47:58,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-21 01:47:59,756 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:00,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:00,096 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:48:00,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 01:48:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:00,783 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 01:48:00,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-21 01:48:05,102 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:05,231 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:05,677 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:05,781 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:07,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:07,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:11,200 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:14,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:15,319 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:15,651 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:15,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:16,249 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:16,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:17,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:17,677 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:18,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:18,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:18,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:18,450 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:18,465 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:18,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:48:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:18,523 INFO L244 Elim1Store]: Index analysis took 114 ms [2021-11-21 01:48:18,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 866 treesize of output 400 [2021-11-21 01:48:23,869 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:24,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:24,243 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:24,442 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:24,656 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:34,710 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:34,805 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:39,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:39,542 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:39,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:40,099 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:41,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:41,538 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:48:52,924 WARN L227 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 100 DAG size of output: 92 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:48:52,925 INFO L354 Elim1Store]: treesize reduction 122, result has 93.4 percent of original size [2021-11-21 01:48:52,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 25954 treesize of output 27158 [2021-11-21 01:48:53,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:48:58,603 WARN L227 SmtUtils]: Spent 5.58s on a formula simplification. DAG size of input: 101 DAG size of output: 89 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:48:58,604 INFO L354 Elim1Store]: treesize reduction 114, result has 93.8 percent of original size [2021-11-21 01:48:58,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 28211 treesize of output 29401 [2021-11-21 01:49:32,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:32,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:32,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:32,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:32,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:32,908 INFO L244 Elim1Store]: Index analysis took 102 ms [2021-11-21 01:49:32,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1708 treesize of output 1302 [2021-11-21 01:49:33,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:33,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:33,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:33,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:33,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:33,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:33,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:33,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:33,609 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:33,609 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-21 01:49:33,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2325 treesize of output 1913 [2021-11-21 01:49:34,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:34,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:34,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:34,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:34,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:34,364 INFO L244 Elim1Store]: Index analysis took 189 ms [2021-11-21 01:49:34,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 753 treesize of output 371 [2021-11-21 01:49:34,621 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:34,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:34,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:34,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:34,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:34,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:34,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,086 INFO L244 Elim1Store]: Index analysis took 198 ms [2021-11-21 01:49:35,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 753 treesize of output 371 [2021-11-21 01:49:35,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:35,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:35,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:35,572 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-11-21 01:49:35,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1314 treesize of output 926 [2021-11-21 01:49:35,833 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:37,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:37,353 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:37,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:37,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:37,602 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:37,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:37,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:37,666 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-21 01:49:37,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2304 treesize of output 1910 [2021-11-21 01:49:38,162 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:38,272 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:38,415 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:38,533 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:38,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:38,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:38,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:38,908 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:38,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:38,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:38,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1687 treesize of output 1299 [2021-11-21 01:49:39,451 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:40,072 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:40,224 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:40,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:40,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:40,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:40,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:40,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2304 treesize of output 1910 [2021-11-21 01:49:40,929 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:41,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:41,273 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:41,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:41,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:41,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:41,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:41,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:41,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:41,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:41,932 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-21 01:49:41,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1687 treesize of output 1299 [2021-11-21 01:49:42,336 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:43,469 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:44,043 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:44,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:44,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:44,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:44,107 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:44,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:44,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:44,244 INFO L244 Elim1Store]: Index analysis took 203 ms [2021-11-21 01:49:44,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:49:44,571 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:49:45,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:45,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:45,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:45,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:45,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:45,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:45,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:45,379 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-21 01:49:45,509 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-21 01:49:45,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2402 treesize of output 1916 [2021-11-21 01:49:45,758 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:45,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:45,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:45,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:45,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:45,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:45,970 INFO L244 Elim1Store]: Index analysis took 258 ms [2021-11-21 01:49:46,737 INFO L354 Elim1Store]: treesize reduction 921, result has 32.4 percent of original size [2021-11-21 01:49:46,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 830 treesize of output 815 [2021-11-21 01:49:47,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:47,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:47,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:47,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:47,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:47,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:47,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:47,597 INFO L244 Elim1Store]: Index analysis took 205 ms [2021-11-21 01:49:47,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-21 01:49:48,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:48,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:48,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:48,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:48,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:48,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:48,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:48,817 INFO L244 Elim1Store]: Index analysis took 349 ms [2021-11-21 01:49:49,520 INFO L354 Elim1Store]: treesize reduction 1219, result has 22.9 percent of original size [2021-11-21 01:49:49,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 1391 treesize of output 1291 [2021-11-21 01:49:50,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:50,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:50,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:50,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:50,627 INFO L244 Elim1Store]: Index analysis took 329 ms [2021-11-21 01:49:50,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 830 treesize of output 374 [2021-11-21 01:49:51,237 INFO L244 Elim1Store]: Index analysis took 394 ms [2021-11-21 01:49:52,471 INFO L354 Elim1Store]: treesize reduction 1423, result has 23.7 percent of original size [2021-11-21 01:49:52,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 830 treesize of output 815 [2021-11-21 01:49:55,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:55,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:55,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:55,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:55,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:55,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:55,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:55,879 INFO L244 Elim1Store]: Index analysis took 239 ms [2021-11-21 01:49:55,899 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 01:49:55,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1785 treesize of output 1305 [2021-11-21 01:49:59,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:59,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:59,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:59,205 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:49:59,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:59,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:59,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:59,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:49:59,326 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-11-21 01:49:59,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:49:59,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:00,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:00,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:00,202 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:00,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:00,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:00,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:00,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:00,386 INFO L244 Elim1Store]: Index analysis took 215 ms [2021-11-21 01:50:00,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:50:00,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:01,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:01,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:02,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:02,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,080 INFO L244 Elim1Store]: Index analysis took 133 ms [2021-11-21 01:50:02,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2393 treesize of output 1913 [2021-11-21 01:50:02,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:02,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,759 INFO L244 Elim1Store]: Index analysis took 213 ms [2021-11-21 01:50:02,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:50:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:02,969 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:03,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:03,134 INFO L244 Elim1Store]: Index analysis took 198 ms [2021-11-21 01:50:03,146 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-21 01:50:03,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1382 treesize of output 926 [2021-11-21 01:50:04,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:04,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:04,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:04,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:04,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:04,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:04,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:04,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:04,257 INFO L244 Elim1Store]: Index analysis took 187 ms [2021-11-21 01:50:04,280 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-21 01:50:04,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:50:05,175 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:09,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:09,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:09,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:09,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:09,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:09,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:09,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:09,470 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-11-21 01:50:09,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1764 treesize of output 1302 [2021-11-21 01:50:10,309 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:10,445 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:10,673 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:10,814 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:11,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:11,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:11,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:11,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:11,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:11,282 INFO L244 Elim1Store]: Index analysis took 154 ms [2021-11-21 01:50:11,457 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-21 01:50:11,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1370 treesize of output 926 [2021-11-21 01:50:11,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:11,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:11,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:11,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:12,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:12,106 INFO L244 Elim1Store]: Index analysis took 230 ms [2021-11-21 01:50:13,174 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-21 01:50:13,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2381 treesize of output 2275 [2021-11-21 01:50:15,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:15,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:15,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:15,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:15,839 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-21 01:50:15,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2372 treesize of output 1910 [2021-11-21 01:50:16,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:17,015 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:17,130 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:17,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:17,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:17,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:17,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:17,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:17,600 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-11-21 01:50:17,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1361 treesize of output 923 [2021-11-21 01:50:17,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:17,916 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:18,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:19,760 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:20,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:20,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:20,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:20,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:20,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:20,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:20,408 INFO L244 Elim1Store]: Index analysis took 366 ms [2021-11-21 01:50:20,432 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 01:50:20,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1764 treesize of output 1302 [2021-11-21 01:50:21,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:21,556 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:21,800 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:21,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:22,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:22,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:22,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:22,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:22,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:22,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:22,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:22,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:22,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:22,415 INFO L244 Elim1Store]: Index analysis took 211 ms [2021-11-21 01:50:22,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1370 treesize of output 926 [2021-11-21 01:50:22,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:22,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:22,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:22,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:22,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:23,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:50:23,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:50:23,039 INFO L244 Elim1Store]: Index analysis took 141 ms [2021-11-21 01:50:23,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2381 treesize of output 1913 [2021-11-21 01:50:24,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:24,405 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:50:35,025 INFO L244 Elim1Store]: Index analysis took 176 ms [2021-11-21 01:50:37,727 INFO L354 Elim1Store]: treesize reduction 7354, result has 50.2 percent of original size [2021-11-21 01:50:37,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 5771 treesize of output 11341