./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7 --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 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:57:57,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:57:57,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:57:57,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:57:57,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:57:57,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:57:57,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:57:57,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:57:57,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:57:57,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:57:57,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:57:57,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:57:57,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:57:57,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:57:57,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:57:57,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:57:57,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:57:57,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:57:57,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:57:57,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:57:57,539 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:57:57,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:57:57,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:57:57,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:57:57,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:57:57,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:57:57,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:57:57,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:57:57,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:57:57,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:57:57,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:57:57,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:57:57,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:57:57,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:57:57,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:57:57,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:57:57,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:57:57,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:57:57,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:57:57,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:57:57,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:57:57,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 17:57:57,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:57:57,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:57:57,622 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:57:57,622 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:57:57,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:57:57,626 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:57:57,627 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:57:57,627 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:57:57,627 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:57:57,627 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:57:57,627 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:57:57,628 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:57:57,628 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:57:57,628 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:57:57,628 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:57:57,628 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:57:57,628 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:57:57,629 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:57:57,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:57:57,630 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:57:57,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:57:57,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:57:57,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:57:57,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:57:57,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:57:57,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:57:57,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:57:57,631 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 17:57:57,631 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:57:57,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:57:57,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:57:57,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:57:57,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:57:57,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:57:57,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:57:57,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:57:57,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:57:57,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:57:57,633 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:57:57,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:57:57,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:57:57,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:57:57,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:57:57,634 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_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2021-11-25 17:57:57,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:57:57,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:57:57,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:57:57,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:57:57,964 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:57:57,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2021-11-25 17:57:58,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/data/891cff34f/e2c081b2a04e4bc5a3078a5d064fabe0/FLAG4df87856a [2021-11-25 17:57:58,662 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:57:58,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2021-11-25 17:57:58,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/data/891cff34f/e2c081b2a04e4bc5a3078a5d064fabe0/FLAG4df87856a [2021-11-25 17:57:58,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/data/891cff34f/e2c081b2a04e4bc5a3078a5d064fabe0 [2021-11-25 17:57:58,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:57:58,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:57:58,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:57:58,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:57:58,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:57:58,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:57:58" (1/1) ... [2021-11-25 17:57:58,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e77073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:58, skipping insertion in model container [2021-11-25 17:57:58,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:57:58" (1/1) ... [2021-11-25 17:57:58,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:57:58,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:57:59,514 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_b694ff08-10cf-4ddb-82df-805e2ca8b039/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2021-11-25 17:57:59,699 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_b694ff08-10cf-4ddb-82df-805e2ca8b039/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2021-11-25 17:57:59,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:57:59,718 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:57:59,747 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_b694ff08-10cf-4ddb-82df-805e2ca8b039/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2021-11-25 17:57:59,881 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_b694ff08-10cf-4ddb-82df-805e2ca8b039/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2021-11-25 17:57:59,887 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:57:59,955 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:57:59,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59 WrapperNode [2021-11-25 17:57:59,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:57:59,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:57:59,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:57:59,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:57:59,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,139 INFO L137 Inliner]: procedures = 177, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1412 [2021-11-25 17:58:00,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:58:00,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:58:00,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:58:00,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:58:00,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:58:00,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:58:00,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:58:00,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:58:00,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (1/1) ... [2021-11-25 17:58:00,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:58:00,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:58:00,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:58:00,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:58:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:58:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 17:58:00,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 17:58:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:58:00,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:58:00,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:58:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:58:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:58:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:58:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:58:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 17:58:00,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:58:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:58:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:58:00,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:58:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:58:00,691 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:58:00,693 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:58:01,921 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:58:02,353 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:58:02,353 INFO L301 CfgBuilder]: Removed 83 assume(true) statements. [2021-11-25 17:58:02,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:58:02 BoogieIcfgContainer [2021-11-25 17:58:02,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:58:02,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:58:02,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:58:02,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:58:02,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:57:58" (1/3) ... [2021-11-25 17:58:02,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a97e255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:58:02, skipping insertion in model container [2021-11-25 17:58:02,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:59" (2/3) ... [2021-11-25 17:58:02,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a97e255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:58:02, skipping insertion in model container [2021-11-25 17:58:02,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:58:02" (3/3) ... [2021-11-25 17:58:02,364 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-1.i [2021-11-25 17:58:02,369 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:58:02,369 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-25 17:58:02,418 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:58:02,425 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:58:02,425 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-25 17:58:02,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 17:58:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 17:58:02,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:02,450 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-25 17:58:02,451 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 17:58:02,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:02,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1119808, now seen corresponding path program 1 times [2021-11-25 17:58:02,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:58:02,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799544706] [2021-11-25 17:58:02,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:02,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:58:02,584 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:58:02,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1961751888] [2021-11-25 17:58:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:02,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:02,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:58:02,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:58:02,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 17:58:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:02,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 17:58:02,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:58:02,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:58:02,863 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:58:02,864 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:58:02,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799544706] [2021-11-25 17:58:02,865 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:58:02,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961751888] [2021-11-25 17:58:02,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961751888] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:58:02,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:58:02,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-25 17:58:02,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320239394] [2021-11-25 17:58:02,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:58:02,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:58:02,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:58:02,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:58:02,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:58:02,929 INFO L87 Difference]: Start difference. First operand has 164 states, 140 states have (on average 1.8357142857142856) internal successors, (257), 155 states have internal predecessors, (257), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:58:05,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:05,190 INFO L93 Difference]: Finished difference Result 476 states and 831 transitions. [2021-11-25 17:58:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:58:05,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-25 17:58:05,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:05,215 INFO L225 Difference]: With dead ends: 476 [2021-11-25 17:58:05,215 INFO L226 Difference]: Without dead ends: 312 [2021-11-25 17:58:05,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:58:05,222 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 159 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:05,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 351 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 17:58:05,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-25 17:58:05,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-25 17:58:05,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 186 states have (on average 1.2473118279569892) internal successors, (232), 203 states have internal predecessors, (232), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-25 17:58:05,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-25 17:58:05,310 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-25 17:58:05,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:05,311 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-25 17:58:05,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:58:05,311 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-25 17:58:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 17:58:05,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:05,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:58:05,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 17:58:05,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-25 17:58:05,536 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 17:58:05,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:05,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1087819107, now seen corresponding path program 1 times [2021-11-25 17:58:05,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:58:05,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512824962] [2021-11-25 17:58:05,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:05,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:58:05,776 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:58:05,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760313011] [2021-11-25 17:58:05,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:05,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:05,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:58:05,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:58:05,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 17:58:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:06,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 3028 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 17:58:06,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:58:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:58:07,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:58:07,084 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:58:07,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512824962] [2021-11-25 17:58:07,084 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:58:07,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760313011] [2021-11-25 17:58:07,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760313011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:58:07,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:58:07,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:58:07,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868770101] [2021-11-25 17:58:07,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:58:07,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:58:07,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:58:07,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:58:07,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:58:07,088 INFO L87 Difference]: Start difference. First operand 212 states and 264 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:58:11,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:58:11,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:11,993 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-25 17:58:12,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:58:12,008 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-25 17:58:12,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:12,012 INFO L225 Difference]: With dead ends: 312 [2021-11-25 17:58:12,012 INFO L226 Difference]: Without dead ends: 311 [2021-11-25 17:58:12,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:58:12,014 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 116 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:12,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 534 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-11-25 17:58:12,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-25 17:58:12,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-25 17:58:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 275 states have (on average 1.2036363636363636) internal successors, (331), 292 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 17:58:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-25 17:58:12,048 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-25 17:58:12,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:12,049 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-25 17:58:12,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:58:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-25 17:58:12,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 17:58:12,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:12,051 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:58:12,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-25 17:58:12,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:12,268 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 17:58:12,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:12,269 INFO L85 PathProgramCache]: Analyzing trace with hash -637345286, now seen corresponding path program 1 times [2021-11-25 17:58:12,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:58:12,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953079588] [2021-11-25 17:58:12,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:12,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:58:12,510 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:58:12,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [222579777] [2021-11-25 17:58:12,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:12,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:12,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:58:12,512 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:58:12,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 17:58:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:13,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 3029 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 17:58:13,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:58:13,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:58:13,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:58:13,948 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:58:13,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953079588] [2021-11-25 17:58:13,948 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:58:13,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222579777] [2021-11-25 17:58:13,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222579777] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:58:13,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:58:13,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:58:13,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142442798] [2021-11-25 17:58:13,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:58:13,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:58:13,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:58:13,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:58:13,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:58:13,951 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:58:15,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:15,781 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-25 17:58:15,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:58:15,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-25 17:58:15,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:15,792 INFO L225 Difference]: With dead ends: 307 [2021-11-25 17:58:15,792 INFO L226 Difference]: Without dead ends: 305 [2021-11-25 17:58:15,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:58:15,794 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:15,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 17:58:15,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-25 17:58:15,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-25 17:58:15,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 274 states have (on average 1.197080291970803) internal successors, (328), 289 states have internal predecessors, (328), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-25 17:58:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-25 17:58:15,827 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-25 17:58:15,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:15,828 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-25 17:58:15,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:58:15,828 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-25 17:58:15,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 17:58:15,831 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:15,831 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:58:15,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-25 17:58:16,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:16,044 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 17:58:16,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:16,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1691543126, now seen corresponding path program 1 times [2021-11-25 17:58:16,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:58:16,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217026576] [2021-11-25 17:58:16,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:16,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:58:16,235 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:58:16,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1744720523] [2021-11-25 17:58:16,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:16,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:16,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:58:16,237 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:58:16,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-25 17:58:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:17,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 3058 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:58:17,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:58:17,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:58:17,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:58:17,911 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:58:17,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217026576] [2021-11-25 17:58:17,911 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:58:17,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744720523] [2021-11-25 17:58:17,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744720523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:58:17,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:58:17,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:58:17,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388465998] [2021-11-25 17:58:17,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:58:17,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:58:17,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:58:17,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:58:17,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:58:17,915 INFO L87 Difference]: Start difference. First operand 304 states and 372 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:58:19,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:19,678 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-25 17:58:19,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:58:19,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-25 17:58:19,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:19,689 INFO L225 Difference]: With dead ends: 589 [2021-11-25 17:58:19,689 INFO L226 Difference]: Without dead ends: 357 [2021-11-25 17:58:19,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:58:19,692 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:19,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 17:58:19,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-25 17:58:19,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-25 17:58:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 338 states have internal predecessors, (383), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-25 17:58:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-25 17:58:19,722 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-25 17:58:19,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:19,722 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-25 17:58:19,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:58:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-25 17:58:19,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 17:58:19,725 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:19,725 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:58:19,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-25 17:58:19,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:19,940 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 17:58:19,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:19,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1425254209, now seen corresponding path program 1 times [2021-11-25 17:58:19,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:58:19,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716984338] [2021-11-25 17:58:19,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:19,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:58:20,057 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:58:20,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1165751156] [2021-11-25 17:58:20,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:20,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:20,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:58:20,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:58:20,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-25 17:58:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:21,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:58:21,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:58:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 17:58:21,504 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:58:21,504 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:58:21,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716984338] [2021-11-25 17:58:21,505 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:58:21,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1165751156] [2021-11-25 17:58:21,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1165751156] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:58:21,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:58:21,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:58:21,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775243216] [2021-11-25 17:58:21,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:58:21,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 17:58:21,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:58:21,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 17:58:21,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:58:21,509 INFO L87 Difference]: Start difference. First operand 353 states and 447 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 17:58:22,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:22,546 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-25 17:58:22,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 17:58:22,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-25 17:58:22,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:22,552 INFO L225 Difference]: With dead ends: 678 [2021-11-25 17:58:22,552 INFO L226 Difference]: Without dead ends: 351 [2021-11-25 17:58:22,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 17:58:22,555 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:22,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 17:58:22,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-25 17:58:22,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-25 17:58:22,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 336 states have internal predecessors, (380), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-25 17:58:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-25 17:58:22,580 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-25 17:58:22,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:22,580 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-25 17:58:22,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 17:58:22,581 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-25 17:58:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 17:58:22,584 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:22,584 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:58:22,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-25 17:58:22,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:22,796 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 17:58:22,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1252483932, now seen corresponding path program 1 times [2021-11-25 17:58:22,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:58:22,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6448725] [2021-11-25 17:58:22,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:22,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:58:22,882 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:58:22,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1017191111] [2021-11-25 17:58:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:22,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:22,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:58:22,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:58:22,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-25 17:58:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:27,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 1332 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 17:58:27,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:58:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 17:58:27,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:58:27,248 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:58:27,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6448725] [2021-11-25 17:58:27,248 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:58:27,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017191111] [2021-11-25 17:58:27,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017191111] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:58:27,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:58:27,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 17:58:27,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652609709] [2021-11-25 17:58:27,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:58:27,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 17:58:27,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:58:27,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 17:58:27,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 17:58:27,253 INFO L87 Difference]: Start difference. First operand 351 states and 444 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 17:58:29,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 17:58:30,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:30,757 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-25 17:58:30,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 17:58:30,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-25 17:58:30,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:30,778 INFO L225 Difference]: With dead ends: 684 [2021-11-25 17:58:30,778 INFO L226 Difference]: Without dead ends: 353 [2021-11-25 17:58:30,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:58:30,780 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:30,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-11-25 17:58:30,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-25 17:58:30,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-25 17:58:30,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 338 states have internal predecessors, (382), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-25 17:58:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-25 17:58:30,804 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-25 17:58:30,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:30,804 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-25 17:58:30,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-25 17:58:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-25 17:58:30,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 17:58:30,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:30,808 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:58:30,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-25 17:58:31,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-25 17:58:31,024 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-25 17:58:31,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:31,024 INFO L85 PathProgramCache]: Analyzing trace with hash -754730984, now seen corresponding path program 1 times [2021-11-25 17:58:31,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:58:31,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632716746] [2021-11-25 17:58:31,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:31,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:58:31,093 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 17:58:31,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271154791] [2021-11-25 17:58:31,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:31,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 17:58:31,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:58:31,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 17:58:31,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b694ff08-10cf-4ddb-82df-805e2ca8b039/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-25 17:58:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:34,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 17:58:34,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:58:34,850 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 17:58:34,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-25 17:58:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-25 17:58:35,074 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:58:35,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632716746] [2021-11-25 17:58:35,074 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 17:58:35,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271154791] [2021-11-25 17:58:35,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271154791] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-25 17:58:35,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1892243636] [2021-11-25 17:58:35,099 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-25 17:58:35,099 INFO L166 IcfgInterpreter]: Building call graph [2021-11-25 17:58:35,106 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-25 17:58:35,110 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-25 17:58:35,111 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-25 17:58:35,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:35,341 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-25 17:58:35,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-25 17:58:35,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:35,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-25 17:58:35,404 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 [2021-11-25 17:58:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:35,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:35,434 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-25 17:58:35,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-25 17:58:35,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:35,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:35,485 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-25 17:58:35,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-25 17:58:35,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-25 17:58:35,514 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 15 treesize of output 1 [2021-11-25 17:58:35,568 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 19 treesize of output 1 [2021-11-25 17:58:35,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:35,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-25 17:58:35,609 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 19 treesize of output 1 [2021-11-25 17:58:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-25 17:58:36,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-25 17:58:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 17:58:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-25 17:58:36,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 17:58:36,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-25 17:58:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 17:58:36,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 17:58:36,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 17:58:36,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,473 INFO L354 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2021-11-25 17:58:36,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2021-11-25 17:58:36,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 44 [2021-11-25 17:58:36,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-25 17:58:36,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 17:58:36,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 17:58:36,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 17:58:36,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 17:58:36,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-25 17:58:36,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 17:58:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 67 [2021-11-25 17:58:36,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 17:58:36,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-25 17:58:36,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-25 17:58:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 17:58:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 17:58:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:36,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 17:58:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-25 17:58:37,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2021-11-25 17:58:37,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:37,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-25 17:58:44,809 WARN L227 SmtUtils]: Spent 7.42s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:58:44,810 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-25 17:58:44,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1998 treesize of output 1475 [2021-11-25 17:58:44,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:52,724 WARN L227 SmtUtils]: Spent 7.78s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:58:52,725 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-25 17:58:52,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2099 treesize of output 1817 [2021-11-25 17:58:52,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:58:53,245 INFO L244 Elim1Store]: Index analysis took 307 ms [2021-11-25 17:59:02,628 WARN L227 SmtUtils]: Spent 9.01s on a formula simplification. DAG size of input: 244 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-25 17:59:02,629 INFO L354 Elim1Store]: treesize reduction 2566, result has 31.1 percent of original size [2021-11-25 17:59:02,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 1377 [2021-11-25 17:59:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,242 INFO L244 Elim1Store]: Index analysis took 147 ms [2021-11-25 17:59:03,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-25 17:59:03,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:03,609 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-25 17:59:03,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 57 [2021-11-25 17:59:04,094 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:04,119 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:04,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:04,294 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-25 17:59:04,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-25 17:59:04,328 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:04,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:04,676 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:59:04,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 61 [2021-11-25 17:59:04,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:04,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:04,821 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:04,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 32 [2021-11-25 17:59:04,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:04,968 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-25 17:59:04,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 32 [2021-11-25 17:59:05,007 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:05,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:05,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:05,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2021-11-25 17:59:05,155 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:05,277 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:59:05,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 11 [2021-11-25 17:59:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:05,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:05,473 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-25 17:59:05,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-25 17:59:05,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:05,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:05,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:05,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:05,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:05,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 57 [2021-11-25 17:59:05,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:05,681 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:06,831 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:06,866 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:06,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:06,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:07,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,122 INFO L244 Elim1Store]: Index analysis took 172 ms [2021-11-25 17:59:07,124 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 2700 treesize of output 2244 [2021-11-25 17:59:07,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,232 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:07,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:07,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:07,317 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 2800 treesize of output 2338 [2021-11-25 17:59:07,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:07,600 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:07,662 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:07,699 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:07,769 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:07,807 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:07,868 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:07,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,081 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,177 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,204 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,271 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,296 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:08,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:08,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:08,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:08,534 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-11-25 17:59:08,840 INFO L354 Elim1Store]: treesize reduction 8, result has 88.7 percent of original size [2021-11-25 17:59:08,840 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 4 new quantified variables, introduced 2 case distinctions, treesize of input 2700 treesize of output 2306 [2021-11-25 17:59:08,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,965 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:08,999 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:09,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:09,054 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:09,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:09,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:09,190 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:09,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:09,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:09,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:09,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:09,325 INFO L244 Elim1Store]: Index analysis took 150 ms [2021-11-25 17:59:09,462 INFO L354 Elim1Store]: treesize reduction 6, result has 88.5 percent of original size [2021-11-25 17:59:09,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2800 treesize of output 2384 [2021-11-25 17:59:09,842 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:09,883 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:09,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:09,989 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,084 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,129 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,190 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,233 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,323 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,420 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,555 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:10,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2779 treesize of output 2335 [2021-11-25 17:59:10,754 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,779 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,808 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,850 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:10,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:10,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:10,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:10,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2679 treesize of output 2241 [2021-11-25 17:59:11,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:11,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:11,740 INFO L354 Elim1Store]: treesize reduction 362, result has 68.8 percent of original size [2021-11-25 17:59:11,740 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 3 case distinctions, treesize of input 2688 treesize of output 3042 [2021-11-25 17:59:11,821 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:11,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:11,885 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:11,926 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:11,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:11,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:12,563 INFO L354 Elim1Store]: treesize reduction 362, result has 69.0 percent of original size [2021-11-25 17:59:12,564 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 3 case distinctions, treesize of input 2788 treesize of output 3142 [2021-11-25 17:59:12,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:12,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2611 treesize of output 2241 [2021-11-25 17:59:12,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:12,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:12,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:12,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:12,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2711 treesize of output 2335 [2021-11-25 17:59:12,993 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:13,016 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:13,050 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:13,082 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,467 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 17:59:13,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2688 treesize of output 2244 [2021-11-25 17:59:13,541 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:13,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:13,596 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:13,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:13,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,726 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:13,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,793 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-25 17:59:13,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2788 treesize of output 2338 [2021-11-25 17:59:13,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:13,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 2611 treesize of output 2241 [2021-11-25 17:59:14,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:14,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2711 treesize of output 2335 [2021-11-25 17:59:14,138 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,169 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,193 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,241 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:14,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,592 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 17:59:14,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2632 treesize of output 2244 [2021-11-25 17:59:14,657 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,694 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,718 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,741 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,774 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,815 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:14,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:14,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,890 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:14,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:14,963 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-25 17:59:14,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2732 treesize of output 2338 [2021-11-25 17:59:15,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:15,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:15,365 INFO L244 Elim1Store]: Index analysis took 151 ms [2021-11-25 17:59:16,379 INFO L354 Elim1Store]: treesize reduction 1299, result has 30.6 percent of original size [2021-11-25 17:59:16,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 2809 treesize of output 2914 [2021-11-25 17:59:16,711 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:16,744 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:16,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:16,825 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:16,883 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:17,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:17,282 INFO L244 Elim1Store]: Index analysis took 140 ms [2021-11-25 17:59:18,195 INFO L354 Elim1Store]: treesize reduction 1289, result has 29.3 percent of original size [2021-11-25 17:59:18,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 2709 treesize of output 2780 [2021-11-25 17:59:19,620 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:19,668 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:19,695 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:19,731 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:19,755 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:19,783 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:19,824 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:19,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:19,993 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,146 INFO L244 Elim1Store]: Index analysis took 153 ms [2021-11-25 17:59:20,154 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 2700 treesize of output 2244 [2021-11-25 17:59:20,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:20,236 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:20,265 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:20,289 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:20,317 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:20,374 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:20,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:20,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 17:59:20,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:20,584 INFO L244 Elim1Store]: Index analysis took 149 ms [2021-11-25 17:59:20,585 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 2800 treesize of output 2338 [2021-11-25 17:59:20,843 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:20,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:20,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:20,972 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,052 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,087 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,110 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,150 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,232 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,303 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,375 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,435 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,504 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,561 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,591 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,624 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:21,672 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 17:59:22,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:22,784 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-25 17:59:23,525 INFO L354 Elim1Store]: treesize reduction 2096, result has 10.4 percent of original size [2021-11-25 17:59:23,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 7891 treesize of output 7665 [2021-11-25 17:59:25,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:25,590 INFO L244 Elim1Store]: Index analysis took 139 ms [2021-11-25 17:59:25,931 INFO L354 Elim1Store]: treesize reduction 1848, result has 0.1 percent of original size [2021-11-25 17:59:25,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 4034 treesize of output 3578 [2021-11-25 17:59:28,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:28,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:28,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:59:28,379 INFO L244 Elim1Store]: Index analysis took 312 ms [2021-11-25 17:59:33,037 INFO L354 Elim1Store]: treesize reduction 1554, result has 60.1 percent of original size [2021-11-25 17:59:33,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 7 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 31 case distinctions, treesize of input 136599 treesize of output 137059