./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.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_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/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_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/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_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/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 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:40:44,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:40:44,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:40:44,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:40:44,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:40:44,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:40:44,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:40:44,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:40:44,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:40:44,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:40:44,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:40:44,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:40:44,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:40:44,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:40:44,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:40:44,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:40:44,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:40:44,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:40:44,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:40:44,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:40:44,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:40:44,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:40:44,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:40:44,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:40:44,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:40:44,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:40:44,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:40:44,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:40:44,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:40:44,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:40:44,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:40:44,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:40:44,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:40:44,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:40:44,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:40:44,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:40:44,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:40:44,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:40:44,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:40:44,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:40:44,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:40:44,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:40:44,552 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:40:44,552 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:40:44,553 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:40:44,553 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:40:44,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:40:44,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:40:44,561 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:40:44,561 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:40:44,561 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:40:44,562 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:40:44,563 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:40:44,563 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:40:44,563 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:40:44,564 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:40:44,564 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:40:44,564 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:40:44,564 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:40:44,565 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:40:44,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:40:44,566 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:40:44,566 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:40:44,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:40:44,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:40:44,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:40:44,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:40:44,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:40:44,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:40:44,569 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:40:44,569 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:40:44,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:40:44,570 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:40:44,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:40:44,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:40:44,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:40:44,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:40:44,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:40:44,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:40:44,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:40:44,572 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:40:44,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:40:44,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:40:44,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:40:44,573 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:40:44,573 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_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6560568361eacef24363f4e5a58f5226b4c8bc2851167e042d4f8ce61eb0aa48 [2021-11-21 00:40:44,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:40:44,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:40:44,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:40:44,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:40:44,846 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:40:44,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-21 00:40:44,930 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/data/65478e109/3fd9513f9dcf4da59ef91fd4ef06e87b/FLAGf9abbdb53 [2021-11-21 00:40:45,595 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:40:45,595 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i [2021-11-21 00:40:45,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/data/65478e109/3fd9513f9dcf4da59ef91fd4ef06e87b/FLAGf9abbdb53 [2021-11-21 00:40:45,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/data/65478e109/3fd9513f9dcf4da59ef91fd4ef06e87b [2021-11-21 00:40:45,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:40:45,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:40:45,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:40:45,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:40:45,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:40:45,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:40:45" (1/1) ... [2021-11-21 00:40:45,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a1bb41a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:45, skipping insertion in model container [2021-11-21 00:40:45,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:40:45" (1/1) ... [2021-11-21 00:40:45,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:40:45,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:40:46,317 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_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-11-21 00:40:46,496 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_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-11-21 00:40:46,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:40:46,526 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:40:46,556 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_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[33021,33034] [2021-11-21 00:40:46,608 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_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-2.i[44590,44603] [2021-11-21 00:40:46,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:40:46,681 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:40:46,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46 WrapperNode [2021-11-21 00:40:46,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:40:46,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:40:46,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:40:46,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:40:46,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,842 INFO L137 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1189 [2021-11-21 00:40:46,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:40:46,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:40:46,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:40:46,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:40:46,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:40:46,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:40:46,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:40:46,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:40:46,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (1/1) ... [2021-11-21 00:40:46,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:40:46,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:46,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:40:47,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:40:47,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:40:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:40:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:40:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:40:47,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:40:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:40:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:40:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:40:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:40:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:40:47,047 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:40:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:40:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:40:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:40:47,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:40:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:40:47,277 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:40:47,279 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:40:48,315 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:40:48,791 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:40:48,791 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 00:40:48,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:40:48 BoogieIcfgContainer [2021-11-21 00:40:48,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:40:48,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:40:48,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:40:48,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:40:48,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:40:45" (1/3) ... [2021-11-21 00:40:48,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a9ff1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:40:48, skipping insertion in model container [2021-11-21 00:40:48,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:40:46" (2/3) ... [2021-11-21 00:40:48,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a9ff1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:40:48, skipping insertion in model container [2021-11-21 00:40:48,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:40:48" (3/3) ... [2021-11-21 00:40:48,809 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-2.i [2021-11-21 00:40:48,814 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:40:48,815 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 00:40:48,893 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:40:48,900 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 00:40:48,900 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 00:40:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 128 states have (on average 1.8125) internal successors, (232), 141 states have internal predecessors, (232), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:40:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:40:48,926 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:48,926 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:40:48,927 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:40:48,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:48,932 INFO L85 PathProgramCache]: Analyzing trace with hash 30014351, now seen corresponding path program 1 times [2021-11-21 00:40:48,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:48,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017257027] [2021-11-21 00:40:48,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:48,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:49,054 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:49,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [280293942] [2021-11-21 00:40:49,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:49,055 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:49,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:49,057 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:49,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:40:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:49,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 00:40:49,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:49,350 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 00:40:49,363 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 00:40:49,444 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 00:40:49,458 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 00:40:49,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:40:49,458 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:49,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017257027] [2021-11-21 00:40:49,459 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:49,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280293942] [2021-11-21 00:40:49,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280293942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:49,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:49,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:40:49,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122023086] [2021-11-21 00:40:49,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:49,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:40:49,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:49,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:40:49,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:40:49,507 INFO L87 Difference]: Start difference. First operand has 147 states, 128 states have (on average 1.8125) internal successors, (232), 141 states have internal predecessors, (232), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 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 00:40:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:51,308 INFO L93 Difference]: Finished difference Result 365 states and 629 transitions. [2021-11-21 00:40:51,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:40:51,313 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 00:40:51,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:51,324 INFO L225 Difference]: With dead ends: 365 [2021-11-21 00:40:51,324 INFO L226 Difference]: Without dead ends: 201 [2021-11-21 00:40:51,328 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 00:40:51,332 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 77 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:51,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 401 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:40:51,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-21 00:40:51,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 136. [2021-11-21 00:40:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:40:51,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2021-11-21 00:40:51,397 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2021-11-21 00:40:51,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:51,398 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2021-11-21 00:40:51,398 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 00:40:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2021-11-21 00:40:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 00:40:51,399 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:51,399 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:40:51,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:40:51,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 00:40:51,604 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:40:51,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:51,604 INFO L85 PathProgramCache]: Analyzing trace with hash -2038898776, now seen corresponding path program 1 times [2021-11-21 00:40:51,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:51,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587216585] [2021-11-21 00:40:51,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:51,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:51,697 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 00:40:51,697 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:51,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587216585] [2021-11-21 00:40:51,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587216585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:51,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:51,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:40:51,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180573757] [2021-11-21 00:40:51,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:51,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:40:51,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:51,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:40:51,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:40:51,701 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 00:40:53,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:53,423 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2021-11-21 00:40:53,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:40:53,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-11-21 00:40:53,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:53,435 INFO L225 Difference]: With dead ends: 266 [2021-11-21 00:40:53,435 INFO L226 Difference]: Without dead ends: 195 [2021-11-21 00:40:53,436 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 00:40:53,437 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:53,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 383 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-21 00:40:53,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-21 00:40:53,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2021-11-21 00:40:53,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:40:53,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2021-11-21 00:40:53,453 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2021-11-21 00:40:53,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:53,454 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2021-11-21 00:40:53,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 00:40:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2021-11-21 00:40:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 00:40:53,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:53,456 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 00:40:53,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:40:53,456 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:40:53,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:53,457 INFO L85 PathProgramCache]: Analyzing trace with hash -446847579, now seen corresponding path program 1 times [2021-11-21 00:40:53,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:53,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026458113] [2021-11-21 00:40:53,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:53,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:53,481 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:53,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166699568] [2021-11-21 00:40:53,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:53,482 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:53,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:53,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:53,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:40:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:53,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:40:53,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:53,909 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 00:40:53,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:40:53,909 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:53,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026458113] [2021-11-21 00:40:53,912 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:53,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166699568] [2021-11-21 00:40:53,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166699568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:53,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:53,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:40:53,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730891811] [2021-11-21 00:40:53,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:53,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:40:53,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:53,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:40:53,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:40:53,916 INFO L87 Difference]: Start difference. First operand 136 states and 164 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 00:40:54,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:54,489 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2021-11-21 00:40:54,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:40:54,493 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 00:40:54,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:54,495 INFO L225 Difference]: With dead ends: 332 [2021-11-21 00:40:54,495 INFO L226 Difference]: Without dead ends: 201 [2021-11-21 00:40:54,496 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 00:40:54,498 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:54,498 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 302 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 00:40:54,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-21 00:40:54,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2021-11-21 00:40:54,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 00:40:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2021-11-21 00:40:54,517 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2021-11-21 00:40:54,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:54,517 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2021-11-21 00:40:54,517 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 00:40:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2021-11-21 00:40:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 00:40:54,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:54,520 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 00:40:54,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:40:54,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-11-21 00:40:54,735 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:40:54,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:54,739 INFO L85 PathProgramCache]: Analyzing trace with hash 599024343, now seen corresponding path program 1 times [2021-11-21 00:40:54,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:54,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688666157] [2021-11-21 00:40:54,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:54,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:54,761 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:54,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1976667015] [2021-11-21 00:40:54,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:54,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:54,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:54,764 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:54,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:40:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:55,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 00:40:55,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:40:55,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:40:55,247 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:55,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688666157] [2021-11-21 00:40:55,247 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:55,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976667015] [2021-11-21 00:40:55,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976667015] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:55,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:55,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:40:55,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500258942] [2021-11-21 00:40:55,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:55,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:40:55,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:55,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:40:55,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:40:55,250 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:40:56,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:56,402 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2021-11-21 00:40:56,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:40:56,407 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-21 00:40:56,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:56,409 INFO L225 Difference]: With dead ends: 346 [2021-11-21 00:40:56,409 INFO L226 Difference]: Without dead ends: 183 [2021-11-21 00:40:56,410 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 00:40:56,412 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:56,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 416 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-21 00:40:56,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-21 00:40:56,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-11-21 00:40:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 00:40:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2021-11-21 00:40:56,428 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2021-11-21 00:40:56,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:56,429 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2021-11-21 00:40:56,429 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 00:40:56,429 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2021-11-21 00:40:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 00:40:56,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:56,431 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 00:40:56,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:40:56,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:56,659 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 00:40:56,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:56,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1293090091, now seen corresponding path program 1 times [2021-11-21 00:40:56,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:56,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832122245] [2021-11-21 00:40:56,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:56,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:56,693 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:40:56,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749466773] [2021-11-21 00:40:56,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:56,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:40:56,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:40:56,712 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:40:56,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e05f57e-f5a8-4285-8ca3-83fd9eddfe10/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:40:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:57,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 00:40:57,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:40:57,319 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 00:40:57,319 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:40:57,504 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 00:40:57,505 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:57,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832122245] [2021-11-21 00:40:57,505 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:40:57,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749466773] [2021-11-21 00:40:57,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749466773] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:40:57,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [317432379] [2021-11-21 00:40:57,526 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 00:40:57,526 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:40:57,530 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:40:57,536 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:40:57,536 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:40:57,610 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 00:40:57,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:57,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:57,642 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:40:57,643 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 00:40:57,666 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 00:40:57,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:57,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 00:40:57,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:57,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 00:40:57,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:57,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:57,855 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 00:40:57,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 00:40:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:57,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:57,931 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:40:57,931 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 00:40:57,972 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 00:40:57,985 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 00:40:58,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,043 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:40:58,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 00:40:58,273 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 00:40:58,312 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 00:40:58,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:58,369 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 00:40:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,626 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 00:40:59,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,652 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 00:40:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,712 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 00:40:59,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,767 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 00:40:59,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,879 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 94 treesize of output 96 [2021-11-21 00:40:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,909 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 00:40:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:40:59,971 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 00:41:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,044 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 00:41:00,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,147 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 00:41:00,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,255 INFO L354 Elim1Store]: treesize reduction 202, result has 21.7 percent of original size [2021-11-21 00:41:00,255 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 127 treesize of output 163 [2021-11-21 00:41:00,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,313 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-21 00:41:00,313 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 145 treesize of output 156 [2021-11-21 00:41:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,434 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 00:41:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:00,530 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 00:41:00,987 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 00:41:00,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 00:41:00,999 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 00:41:01,070 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:41:01,071 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 85 treesize of output 88 [2021-11-21 00:41:01,089 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:41:01,089 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 88 treesize of output 91 [2021-11-21 00:41:01,123 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:41:01,123 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 91 treesize of output 94 [2021-11-21 00:41:01,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:41:01,232 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 00:41:01,240 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 00:41:01,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,320 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 00:41:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,360 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 00:41:01,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,398 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 00:41:01,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,690 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 00:41:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,769 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 00:41:01,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:01,857 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 00:41:07,034 WARN L227 SmtUtils]: Spent 5.03s 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 00:41:07,034 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:41:07,035 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 00:41:07,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:17,150 WARN L227 SmtUtils]: Spent 10.06s 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 00:41:17,151 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:41:17,151 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 00:41:26,222 WARN L227 SmtUtils]: Spent 8.96s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:41:26,223 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 00:41:26,223 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 2852 treesize of output 2682 [2021-11-21 00:41:26,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:26,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:26,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:28,006 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 00:41:28,007 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 25950 treesize of output 25981 [2021-11-21 00:41:28,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:28,804 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 00:41:28,805 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 25960 treesize of output 25974 [2021-11-21 00:41:30,292 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:41:30,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:30,730 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 00:41:30,731 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 46 treesize of output 30 [2021-11-21 00:41:31,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:31,339 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 00:41:31,340 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 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-21 00:41:33,151 INFO L244 Elim1Store]: Index analysis took 156 ms [2021-11-21 00:41:34,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:41:34,792 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 11475 treesize of output 12521 [2021-11-21 00:41:50,445 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 00:41:50,446 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 18499 treesize of output 18507 [2021-11-21 00:41:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:52,318 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 00:41:52,319 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 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-21 00:41:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:52,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:41:52,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2021-11-21 00:42:05,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:42:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver