./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_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_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/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_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/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_396c60a6-0594-4b24-af81-4bb42fa794cc/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 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:49:01,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:49:01,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:49:01,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:49:01,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:49:01,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:49:01,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:49:01,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:49:01,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:49:01,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:49:01,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:49:01,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:49:01,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:49:01,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:49:01,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:49:01,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:49:01,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:49:01,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:49:01,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:49:01,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:49:01,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:49:01,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:49:01,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:49:01,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:49:01,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:49:01,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:49:01,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:49:01,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:49:01,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:49:01,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:49:01,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:49:01,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:49:01,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:49:01,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:49:01,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:49:01,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:49:01,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:49:01,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:49:01,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:49:01,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:49:01,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:49:01,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:49:01,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:49:01,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:49:01,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:49:01,569 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:49:01,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:49:01,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:49:01,571 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:49:01,571 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:49:01,571 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:49:01,571 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:49:01,572 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:49:01,572 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:49:01,572 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:49:01,572 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:49:01,572 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:49:01,573 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:49:01,573 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:49:01,573 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:49:01,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:49:01,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:49:01,574 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:49:01,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:49:01,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:49:01,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:49:01,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:49:01,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:49:01,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:49:01,576 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:49:01,576 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:49:01,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:49:01,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:49:01,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:49:01,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:49:01,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:49:01,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:49:01,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:49:01,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:49:01,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:49:01,578 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:49:01,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:49:01,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:49:01,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:49:01,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:49:01,579 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_396c60a6-0594-4b24-af81-4bb42fa794cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89806bf5e92e08240ee093afcceea93b900865db28253b34ac5f2402fc0c0eb8 [2021-11-21 00:49:01,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:49:01,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:49:01,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:49:01,862 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:49:01,863 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:49:01,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2021-11-21 00:49:01,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/data/a754e8aff/9dcca20a557c411a9636f996b6aaaa25/FLAG662e4b8a4 [2021-11-21 00:49:02,537 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:49:02,538 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i [2021-11-21 00:49:02,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/data/a754e8aff/9dcca20a557c411a9636f996b6aaaa25/FLAG662e4b8a4 [2021-11-21 00:49:02,781 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/data/a754e8aff/9dcca20a557c411a9636f996b6aaaa25 [2021-11-21 00:49:02,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:49:02,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:49:02,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:49:02,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:49:02,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:49:02,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:49:02" (1/1) ... [2021-11-21 00:49:02,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a9c714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:02, skipping insertion in model container [2021-11-21 00:49:02,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:49:02" (1/1) ... [2021-11-21 00:49:02,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:49:02,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:49:03,308 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_396c60a6-0594-4b24-af81-4bb42fa794cc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2021-11-21 00:49:03,423 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_396c60a6-0594-4b24-af81-4bb42fa794cc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2021-11-21 00:49:03,424 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_396c60a6-0594-4b24-af81-4bb42fa794cc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2021-11-21 00:49:03,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:49:03,450 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:49:03,481 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_396c60a6-0594-4b24-af81-4bb42fa794cc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[33021,33034] [2021-11-21 00:49:03,557 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_396c60a6-0594-4b24-af81-4bb42fa794cc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44124,44137] [2021-11-21 00:49:03,558 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_396c60a6-0594-4b24-af81-4bb42fa794cc/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test7-1.i[44245,44258] [2021-11-21 00:49:03,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:49:03,618 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:49:03,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03 WrapperNode [2021-11-21 00:49:03,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:49:03,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:49:03,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:49:03,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:49:03,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,723 INFO L137 Inliner]: procedures = 176, calls = 277, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-21 00:49:03,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:49:03,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:49:03,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:49:03,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:49:03,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:49:03,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:49:03,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:49:03,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:49:03,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (1/1) ... [2021-11-21 00:49:03,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:49:03,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:49:03,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:49:03,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:49:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:49:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:49:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:49:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:49:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:49:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:49:03,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:49:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:49:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:49:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:49:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:49:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:49:03,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:49:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:49:04,118 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:49:04,120 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:49:05,242 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:49:05,654 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:49:05,654 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 00:49:05,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:49:05 BoogieIcfgContainer [2021-11-21 00:49:05,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:49:05,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:49:05,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:49:05,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:49:05,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:49:02" (1/3) ... [2021-11-21 00:49:05,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c11f32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:49:05, skipping insertion in model container [2021-11-21 00:49:05,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:49:03" (2/3) ... [2021-11-21 00:49:05,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c11f32f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:49:05, skipping insertion in model container [2021-11-21 00:49:05,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:49:05" (3/3) ... [2021-11-21 00:49:05,673 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test7-1.i [2021-11-21 00:49:05,679 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:49:05,679 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 00:49:05,739 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:49:05,745 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 00:49:05,746 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 00:49:05,765 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 00:49:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:49:05,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:49:05,769 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:49:05,770 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 00:49:05,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:49:05,775 INFO L85 PathProgramCache]: Analyzing trace with hash 24617747, now seen corresponding path program 1 times [2021-11-21 00:49:05,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:49:05,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991069753] [2021-11-21 00:49:05,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:49:05,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:49:05,891 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:49:05,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726939814] [2021-11-21 00:49:05,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:49:05,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:49:05,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:49:05,894 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:49:05,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:49:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:49:06,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 00:49:06,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:49:06,182 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 00:49:06,192 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 00:49:06,265 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 00:49:06,279 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 00:49:06,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:49:06,280 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:49:06,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991069753] [2021-11-21 00:49:06,281 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:49:06,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726939814] [2021-11-21 00:49:06,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726939814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:49:06,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:49:06,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:49:06,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869544937] [2021-11-21 00:49:06,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:49:06,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:49:06,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:49:06,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:49:06,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:49:06,329 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 00:49:08,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:49:08,075 INFO L93 Difference]: Finished difference Result 285 states and 496 transitions. [2021-11-21 00:49:08,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:49:08,081 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 00:49:08,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:49:08,091 INFO L225 Difference]: With dead ends: 285 [2021-11-21 00:49:08,091 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:49:08,095 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 00:49:08,098 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 58 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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 00:49:08,100 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 00:49:08,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:49:08,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-21 00:49:08,146 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 00:49:08,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-21 00:49:08,150 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-21 00:49:08,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:49:08,151 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-21 00:49:08,151 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 00:49:08,151 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-21 00:49:08,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 00:49:08,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:49:08,154 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 00:49:08,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:49:08,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 00:49:08,368 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 00:49:08,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:49:08,369 INFO L85 PathProgramCache]: Analyzing trace with hash -179565833, now seen corresponding path program 1 times [2021-11-21 00:49:08,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:49:08,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441315609] [2021-11-21 00:49:08,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:49:08,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:49:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:49:08,476 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 00:49:08,476 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:49:08,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441315609] [2021-11-21 00:49:08,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441315609] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:49:08,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:49:08,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:49:08,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996815193] [2021-11-21 00:49:08,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:49:08,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:49:08,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:49:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:49:08,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:49:08,480 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 00:49:10,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:49:10,141 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-21 00:49:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:49:10,146 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 00:49:10,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:49:10,148 INFO L225 Difference]: With dead ends: 211 [2021-11-21 00:49:10,148 INFO L226 Difference]: Without dead ends: 159 [2021-11-21 00:49:10,149 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 00:49:10,150 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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 00:49:10,151 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 00:49:10,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-21 00:49:10,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-21 00:49:10,162 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 00:49:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-21 00:49:10,164 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-21 00:49:10,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:49:10,165 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-21 00:49:10,165 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 00:49:10,165 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-21 00:49:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:49:10,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:49:10,167 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 00:49:10,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:49:10,168 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 00:49:10,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:49:10,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1301143671, now seen corresponding path program 1 times [2021-11-21 00:49:10,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:49:10,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202833240] [2021-11-21 00:49:10,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:49:10,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:49:10,191 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:49:10,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063255133] [2021-11-21 00:49:10,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:49:10,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:49:10,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:49:10,201 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:49:10,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:49:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:49:10,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:49:10,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:49:10,575 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 00:49:10,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:49:10,577 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:49:10,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202833240] [2021-11-21 00:49:10,578 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:49:10,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063255133] [2021-11-21 00:49:10,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063255133] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:49:10,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:49:10,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:49:10,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451746667] [2021-11-21 00:49:10,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:49:10,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:49:10,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:49:10,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:49:10,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:49:10,582 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 00:49:11,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:49:11,355 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-21 00:49:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:49:11,362 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 00:49:11,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:49:11,363 INFO L225 Difference]: With dead ends: 277 [2021-11-21 00:49:11,364 INFO L226 Difference]: Without dead ends: 165 [2021-11-21 00:49:11,364 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 00:49:11,366 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:49:11,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-21 00:49:11,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-21 00:49:11,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-21 00:49:11,381 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 00:49:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-21 00:49:11,387 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-21 00:49:11,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:49:11,390 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-21 00:49:11,391 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 00:49:11,391 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-21 00:49:11,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 00:49:11,392 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:49:11,392 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 00:49:11,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:49:11,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:49:11,593 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 00:49:11,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:49:11,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1414874843, now seen corresponding path program 1 times [2021-11-21 00:49:11,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:49:11,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576012867] [2021-11-21 00:49:11,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:49:11,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:49:11,613 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:49:11,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [517730575] [2021-11-21 00:49:11,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:49:11,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:49:11,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:49:11,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:49:11,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:49:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:49:12,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:49:12,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:49:12,245 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 00:49:12,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:49:12,246 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:49:12,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576012867] [2021-11-21 00:49:12,246 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:49:12,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517730575] [2021-11-21 00:49:12,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517730575] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:49:12,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:49:12,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:49:12,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813337339] [2021-11-21 00:49:12,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:49:12,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:49:12,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:49:12,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:49:12,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:49:12,248 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 00:49:13,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:49:13,289 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-21 00:49:13,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:49:13,297 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 00:49:13,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:49:13,299 INFO L225 Difference]: With dead ends: 308 [2021-11-21 00:49:13,300 INFO L226 Difference]: Without dead ends: 164 [2021-11-21 00:49:13,301 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 00:49:13,302 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:49:13,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-21 00:49:13,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-21 00:49:13,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-21 00:49:13,317 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 00:49:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-21 00:49:13,319 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-21 00:49:13,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:49:13,319 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-21 00:49:13,320 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 00:49:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-21 00:49:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 00:49:13,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:49:13,322 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 00:49:13,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:49:13,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:49:13,548 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 00:49:13,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:49:13,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1751785293, now seen corresponding path program 1 times [2021-11-21 00:49:13,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:49:13,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401006790] [2021-11-21 00:49:13,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:49:13,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:49:13,560 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:49:13,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [541779182] [2021-11-21 00:49:13,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:49:13,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:49:13,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:49:13,562 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:49:13,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_396c60a6-0594-4b24-af81-4bb42fa794cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:49:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:49:14,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 00:49:14,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:49:14,573 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 00:49:14,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:49:14,754 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 00:49:14,754 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:49:14,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401006790] [2021-11-21 00:49:14,755 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:49:14,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541779182] [2021-11-21 00:49:14,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541779182] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:49:14,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [788259680] [2021-11-21 00:49:14,773 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 00:49:14,773 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:49:14,778 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:49:14,783 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:49:14,784 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:49:14,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:14,890 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:49:14,890 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 00:49:14,909 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 00:49:14,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:14,918 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 00:49:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:14,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:14,954 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:49:14,954 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 00:49:14,985 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 00:49:15,083 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 00:49:15,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,115 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:49:15,116 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 00:49:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,174 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:49:15,174 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 00:49:15,224 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 00:49:15,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,257 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:49:15,258 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 00:49:15,449 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 00:49:15,477 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 00:49:15,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:15,497 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 00:49:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,852 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 00:49:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,895 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 00:49:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,918 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 00:49:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:16,993 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 00:49:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,077 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 00:49:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,147 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 00:49:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,230 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 00:49:17,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,372 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 00:49:17,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,412 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 00:49:17,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,479 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-21 00:49:17,479 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 00:49:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,582 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-21 00:49:17,582 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 00:49:17,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,704 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 00:49:18,293 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 00:49:18,302 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 00:49:18,309 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 00:49:18,359 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 00:49:18,359 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 00:49:18,384 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:49:18,384 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 00:49:18,405 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 00:49:18,406 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 00:49:18,464 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 00:49:18,474 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 00:49:18,485 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 00:49:18,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,555 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 00:49:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,579 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 00:49:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,665 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 00:49:18,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,937 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 00:49:18,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:18,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:19,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:19,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:19,005 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 00:49:19,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:19,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:19,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:19,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:19,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:19,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:19,055 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 00:49:26,682 WARN L227 SmtUtils]: Spent 7.47s 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 00:49:26,683 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:49:26,685 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 00:49:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:37,276 WARN L227 SmtUtils]: Spent 10.55s 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 00:49:37,277 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:49:37,278 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 00:49:52,536 WARN L227 SmtUtils]: Spent 15.11s 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 00:49:52,538 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:49:52,539 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 00:49:53,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:53,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:54,143 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:49:54,144 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 00:49:54,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:54,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:54,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:55,567 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 00:49:55,568 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 00:49:57,467 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:49:57,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:49:57,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,052 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:49:58,053 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 00:49:58,234 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:49:58,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,986 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:49:58,986 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 00:50:00,092 INFO L244 Elim1Store]: Index analysis took 399 ms [2021-11-21 00:50:03,249 INFO L354 Elim1Store]: treesize reduction 458, result has 75.4 percent of original size [2021-11-21 00:50:03,249 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 00:50:24,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:50:24,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:24,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:50:24,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:24,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:50:24,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:24,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:24,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:24,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:24,401 INFO L244 Elim1Store]: Index analysis took 109 ms [2021-11-21 00:50:24,404 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 00:50:27,009 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:27,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:28,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:28,104 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:50:28,104 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 00:50:28,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:28,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:28,726 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 00:50:28,726 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 00:50:29,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:30,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:30,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:30,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:50:30,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-21 00:50:34,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:34,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:34,950 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 00:50:34,950 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 00:50:51,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:51,692 INFO L190 IndexEqualityManager]: detected not equals via solver