./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.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_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/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_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/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_82ab2f52-f7ef-4994-a022-5c0b270eb762/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 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 02:00:05,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 02:00:05,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 02:00:05,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 02:00:05,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 02:00:05,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 02:00:05,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 02:00:05,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 02:00:05,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 02:00:05,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 02:00:05,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 02:00:05,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 02:00:05,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 02:00:05,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 02:00:05,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 02:00:05,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 02:00:05,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 02:00:05,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 02:00:05,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 02:00:05,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 02:00:05,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 02:00:05,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 02:00:05,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 02:00:05,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 02:00:05,383 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 02:00:05,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 02:00:05,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 02:00:05,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 02:00:05,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 02:00:05,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 02:00:05,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 02:00:05,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 02:00:05,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 02:00:05,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 02:00:05,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 02:00:05,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 02:00:05,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 02:00:05,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 02:00:05,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 02:00:05,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 02:00:05,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 02:00:05,398 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 02:00:05,449 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 02:00:05,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 02:00:05,450 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 02:00:05,450 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 02:00:05,451 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 02:00:05,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 02:00:05,451 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 02:00:05,451 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 02:00:05,452 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 02:00:05,452 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 02:00:05,453 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 02:00:05,453 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 02:00:05,453 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 02:00:05,453 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 02:00:05,454 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 02:00:05,454 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 02:00:05,454 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 02:00:05,454 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 02:00:05,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 02:00:05,455 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 02:00:05,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 02:00:05,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 02:00:05,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 02:00:05,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 02:00:05,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 02:00:05,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 02:00:05,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 02:00:05,458 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 02:00:05,459 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 02:00:05,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 02:00:05,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 02:00:05,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 02:00:05,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 02:00:05,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 02:00:05,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 02:00:05,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 02:00:05,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 02:00:05,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 02:00:05,461 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 02:00:05,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 02:00:05,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 02:00:05,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 02:00:05,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 02:00:05,462 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_82ab2f52-f7ef-4994-a022-5c0b270eb762/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d4f4fa5c64db6e2d1986e03259021eba4df8a22df3a334e78927feece513264 [2021-11-21 02:00:05,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 02:00:05,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 02:00:05,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 02:00:05,757 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 02:00:05,757 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 02:00:05,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2021-11-21 02:00:05,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/data/85f3aafcc/36a9abe46af649b6a327cf98a116face/FLAG3b0324d20 [2021-11-21 02:00:06,398 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 02:00:06,399 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i [2021-11-21 02:00:06,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/data/85f3aafcc/36a9abe46af649b6a327cf98a116face/FLAG3b0324d20 [2021-11-21 02:00:06,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/data/85f3aafcc/36a9abe46af649b6a327cf98a116face [2021-11-21 02:00:06,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 02:00:06,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 02:00:06,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 02:00:06,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 02:00:06,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 02:00:06,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:06" (1/1) ... [2021-11-21 02:00:06,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4174598e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:06, skipping insertion in model container [2021-11-21 02:00:06,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:00:06" (1/1) ... [2021-11-21 02:00:06,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 02:00:06,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 02:00:07,128 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_82ab2f52-f7ef-4994-a022-5c0b270eb762/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2021-11-21 02:00:07,212 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_82ab2f52-f7ef-4994-a022-5c0b270eb762/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2021-11-21 02:00:07,213 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_82ab2f52-f7ef-4994-a022-5c0b270eb762/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2021-11-21 02:00:07,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 02:00:07,227 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 02:00:07,256 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_82ab2f52-f7ef-4994-a022-5c0b270eb762/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[33021,33034] [2021-11-21 02:00:07,315 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_82ab2f52-f7ef-4994-a022-5c0b270eb762/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44124,44137] [2021-11-21 02:00:07,316 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_82ab2f52-f7ef-4994-a022-5c0b270eb762/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test7-1.i[44245,44258] [2021-11-21 02:00:07,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 02:00:07,364 INFO L208 MainTranslator]: Completed translation [2021-11-21 02:00:07,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07 WrapperNode [2021-11-21 02:00:07,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 02:00:07,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 02:00:07,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 02:00:07,366 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 02:00:07,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,457 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-21 02:00:07,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 02:00:07,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 02:00:07,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 02:00:07,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 02:00:07,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 02:00:07,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 02:00:07,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 02:00:07,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 02:00:07,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (1/1) ... [2021-11-21 02:00:07,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 02:00:07,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 02:00:07,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 02:00:07,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 02:00:07,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 02:00:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 02:00:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 02:00:07,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 02:00:07,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 02:00:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 02:00:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 02:00:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 02:00:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 02:00:07,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 02:00:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 02:00:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 02:00:07,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 02:00:07,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 02:00:07,953 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 02:00:07,961 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 02:00:09,095 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 02:00:09,506 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 02:00:09,506 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 02:00:09,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:00:09 BoogieIcfgContainer [2021-11-21 02:00:09,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 02:00:09,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 02:00:09,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 02:00:09,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 02:00:09,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:00:06" (1/3) ... [2021-11-21 02:00:09,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b47beee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:00:09, skipping insertion in model container [2021-11-21 02:00:09,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:00:07" (2/3) ... [2021-11-21 02:00:09,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b47beee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:00:09, skipping insertion in model container [2021-11-21 02:00:09,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:00:09" (3/3) ... [2021-11-21 02:00:09,525 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test7-1.i [2021-11-21 02:00:09,530 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 02:00:09,531 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 02:00:09,590 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 02:00:09,598 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 02:00:09,598 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 02:00:09,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 02:00:09,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 02:00:09,621 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:09,622 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 02:00:09,622 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 02:00:09,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:09,628 INFO L85 PathProgramCache]: Analyzing trace with hash 24617747, now seen corresponding path program 1 times [2021-11-21 02:00:09,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:09,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403731095] [2021-11-21 02:00:09,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:09,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:09,741 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 02:00:09,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431789969] [2021-11-21 02:00:09,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:09,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 02:00:09,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 02:00:09,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 02:00:09,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 02:00:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:09,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 02:00:09,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 02:00:10,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 02:00:10,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-21 02:00:10,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-11-21 02:00:10,093 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 02:00:10,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 02:00:10,094 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:10,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403731095] [2021-11-21 02:00:10,094 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 02:00:10,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431789969] [2021-11-21 02:00:10,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431789969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:10,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:10,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 02:00:10,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777496718] [2021-11-21 02:00:10,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:10,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 02:00:10,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:10,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 02:00:10,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 02:00:10,131 INFO L87 Difference]: Start difference. First operand has 116 states, 105 states have (on average 1.819047619047619) internal successors, (191), 111 states have internal predecessors, (191), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 02:00:11,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:11,815 INFO L93 Difference]: Finished difference Result 285 states and 496 transitions. [2021-11-21 02:00:11,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 02:00:11,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-11-21 02:00:11,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:11,836 INFO L225 Difference]: With dead ends: 285 [2021-11-21 02:00:11,836 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 02:00:11,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 02:00:11,843 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 58 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:11,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 296 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 02:00:11,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 02:00:11,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-21 02:00:11,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 02:00:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-21 02:00:11,896 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-21 02:00:11,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:11,899 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-21 02:00:11,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 02:00:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-21 02:00:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 02:00:11,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:11,904 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] [2021-11-21 02:00:11,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 02:00:12,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 02:00:12,117 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 02:00:12,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:12,118 INFO L85 PathProgramCache]: Analyzing trace with hash -179565833, now seen corresponding path program 1 times [2021-11-21 02:00:12,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:12,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396201898] [2021-11-21 02:00:12,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:12,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:12,230 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 02:00:12,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:12,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396201898] [2021-11-21 02:00:12,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396201898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:12,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:12,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 02:00:12,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970658268] [2021-11-21 02:00:12,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:12,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 02:00:12,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:12,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 02:00:12,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 02:00:12,235 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 02:00:13,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:13,897 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-21 02:00:13,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 02:00:13,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-21 02:00:13,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:13,905 INFO L225 Difference]: With dead ends: 211 [2021-11-21 02:00:13,905 INFO L226 Difference]: Without dead ends: 159 [2021-11-21 02:00:13,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 02:00:13,908 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:13,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 02:00:13,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-21 02:00:13,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-21 02:00:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 02:00:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-21 02:00:13,921 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-21 02:00:13,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:13,922 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-21 02:00:13,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 02:00:13,922 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-21 02:00:13,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 02:00:13,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:13,923 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] [2021-11-21 02:00:13,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 02:00:13,924 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 02:00:13,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:13,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1301143671, now seen corresponding path program 1 times [2021-11-21 02:00:13,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:13,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804724439] [2021-11-21 02:00:13,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:13,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:13,947 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 02:00:13,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2061350557] [2021-11-21 02:00:13,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:13,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 02:00:13,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 02:00:13,976 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 02:00:13,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 02:00:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:14,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 02:00:14,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 02:00:14,317 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 02:00:14,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 02:00:14,317 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:14,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804724439] [2021-11-21 02:00:14,318 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 02:00:14,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061350557] [2021-11-21 02:00:14,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061350557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:14,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:14,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 02:00:14,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711884453] [2021-11-21 02:00:14,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:14,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 02:00:14,320 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:14,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 02:00:14,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 02:00:14,321 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 02:00:15,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:15,005 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-21 02:00:15,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 02:00:15,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-11-21 02:00:15,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:15,012 INFO L225 Difference]: With dead ends: 277 [2021-11-21 02:00:15,012 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 02:00:15,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 02:00:15,015 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:15,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-21 02:00:15,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 02:00:15,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-21 02:00:15,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 02:00:15,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-21 02:00:15,030 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-21 02:00:15,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:15,030 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-21 02:00:15,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 02:00:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-21 02:00:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 02:00:15,032 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:15,032 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 02:00:15,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 02:00:15,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 02:00:15,246 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 02:00:15,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:15,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1414874843, now seen corresponding path program 1 times [2021-11-21 02:00:15,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:15,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013205289] [2021-11-21 02:00:15,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:15,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:15,271 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 02:00:15,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70148747] [2021-11-21 02:00:15,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:15,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 02:00:15,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 02:00:15,273 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 02:00:15,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 02:00:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:15,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 02:00:15,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 02:00:15,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 02:00:15,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 02:00:15,885 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:15,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013205289] [2021-11-21 02:00:15,885 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 02:00:15,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70148747] [2021-11-21 02:00:15,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70148747] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 02:00:15,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 02:00:15,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 02:00:15,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396981306] [2021-11-21 02:00:15,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 02:00:15,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 02:00:15,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 02:00:15,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 02:00:15,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 02:00:15,888 INFO L87 Difference]: Start difference. First operand 162 states and 186 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 02:00:16,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 02:00:16,837 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-21 02:00:16,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 02:00:16,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-21 02:00:16,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 02:00:16,848 INFO L225 Difference]: With dead ends: 308 [2021-11-21 02:00:16,848 INFO L226 Difference]: Without dead ends: 164 [2021-11-21 02:00:16,849 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 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 02:00:16,850 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-21 02:00:16,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-21 02:00:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-21 02:00:16,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-21 02:00:16,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-21 02:00:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-21 02:00:16,865 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-21 02:00:16,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 02:00:16,866 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-21 02:00:16,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 02:00:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-21 02:00:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 02:00:16,868 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 02:00:16,868 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] [2021-11-21 02:00:16,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 02:00:17,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 02:00:17,085 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 02:00:17,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 02:00:17,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1751785293, now seen corresponding path program 1 times [2021-11-21 02:00:17,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 02:00:17,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371274094] [2021-11-21 02:00:17,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:17,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 02:00:17,113 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 02:00:17,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344457624] [2021-11-21 02:00:17,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 02:00:17,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 02:00:17,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 02:00:17,116 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 02:00:17,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82ab2f52-f7ef-4994-a022-5c0b270eb762/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 02:00:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 02:00:17,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 02:00:17,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 02:00:18,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 02:00:18,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 02:00:18,218 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 02:00:18,218 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 02:00:18,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371274094] [2021-11-21 02:00:18,219 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 02:00:18,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344457624] [2021-11-21 02:00:18,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344457624] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 02:00:18,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1753194932] [2021-11-21 02:00:18,238 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 02:00:18,238 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 02:00:18,243 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 02:00:18,248 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 02:00:18,249 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 02:00:18,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,334 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 02:00:18,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 26 [2021-11-21 02:00:18,351 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 15 treesize of output 1 [2021-11-21 02:00:18,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,360 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 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 02:00:18,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,391 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 02:00:18,392 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 02:00:18,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 02:00:18,509 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 02:00:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,539 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 02:00:18,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 02:00:18,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,596 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 02:00:18,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 02:00:18,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 02:00:18,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,703 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 02:00:18,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 02:00:18,872 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 02:00:18,895 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 02:00:18,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:18,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 02:00:20,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,119 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 02:00:20,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 02:00:20,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 02:00:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,260 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 02:00:20,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,340 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 02:00:20,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 02:00:20,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,485 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 02:00:20,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,653 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 02:00:20,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,692 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 02:00:20,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,757 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-21 02:00:20,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-21 02:00:20,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,866 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-21 02:00:20,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-21 02:00:20,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:20,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 02:00:21,483 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 02:00:21,492 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 02:00:21,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 02:00:21,547 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 02:00:21,547 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 02:00:21,570 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 02:00:21,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 02:00:21,593 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 02:00:21,593 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 02:00:21,653 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 02:00:21,661 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 02:00:21,669 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 02:00:21,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,739 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 02:00:21,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 02:00:21,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:21,853 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 02:00:22,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,129 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 02:00:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 02:00:22,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:22,220 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 02:00:28,920 WARN L227 SmtUtils]: Spent 6.57s 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 02:00:28,920 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 02:00:28,921 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 02:00:28,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:37,651 WARN L227 SmtUtils]: Spent 8.66s 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 02:00:37,651 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 02:00:37,652 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 02:00:49,418 WARN L227 SmtUtils]: Spent 11.62s 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 02:00:49,420 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 02:00:49,421 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 02:00:50,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:50,760 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 02:00:50,761 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 02:00:50,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:50,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:50,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:51,894 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 02:00:51,895 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 02:00:53,527 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:00:53,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:00:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:54,036 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 02:00:54,037 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 38 treesize of output 20 [2021-11-21 02:00:54,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:00:54,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:00:54,810 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:00:54,811 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 51 treesize of output 61 [2021-11-21 02:00:55,790 INFO L244 Elim1Store]: Index analysis took 358 ms [2021-11-21 02:00:58,104 INFO L354 Elim1Store]: treesize reduction 458, result has 75.4 percent of original size [2021-11-21 02:00:58,104 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 2236 treesize of output 3186 [2021-11-21 02:01:14,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 02:01:14,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:14,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 02:01:14,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:14,270 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 02:01:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:14,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:14,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:14,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:14,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4858 treesize of output 3290 [2021-11-21 02:01:16,408 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:01:17,013 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:01:17,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:17,225 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 02:01:17,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-21 02:01:17,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:17,659 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 02:01:17,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-21 02:01:18,407 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 02:01:18,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:18,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 02:01:18,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-21 02:01:22,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:22,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:22,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:22,673 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 02:01:22,674 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 14713 treesize of output 14727 [2021-11-21 02:01:35,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 02:01:35,690 INFO L190 IndexEqualityManager]: detected not equals via solver