./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:39:33,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:39:33,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:39:33,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:39:33,502 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:39:33,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:39:33,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:39:33,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:39:33,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:39:33,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:39:33,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:39:33,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:39:33,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:39:33,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:39:33,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:39:33,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:39:33,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:39:33,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:39:33,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:39:33,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:39:33,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:39:33,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:39:33,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:39:33,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:39:33,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:39:33,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:39:33,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:39:33,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:39:33,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:39:33,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:39:33,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:39:33,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:39:33,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:39:33,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:39:33,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:39:33,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:39:33,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:39:33,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:39:33,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:39:33,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:39:33,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:39:33,581 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:39:33,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:39:33,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:39:33,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:39:33,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:39:33,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:39:33,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:39:33,628 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:39:33,628 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:39:33,628 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:39:33,628 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:39:33,629 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:39:33,629 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:39:33,629 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:39:33,629 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:39:33,629 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:39:33,630 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:39:33,630 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:39:33,630 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:39:33,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:39:33,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:39:33,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:39:33,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:39:33,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:39:33,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:39:33,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:39:33,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:39:33,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:39:33,632 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:39:33,633 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:39:33,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:39:33,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:39:33,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:39:33,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:39:33,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:39:33,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:39:33,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:39:33,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:39:33,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:39:33,636 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:39:33,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:39:33,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:39:33,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:39:33,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:39:33,639 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_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b724500cddd07446974ec59df8ac86aa980f4ff713324fa73d397377235cbe2 [2021-11-21 01:39:33,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:39:33,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:39:33,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:39:33,942 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:39:33,943 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:39:33,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2021-11-21 01:39:34,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/data/452e8b3f2/b3c843c95b9e4fecac51a2a021771aa6/FLAG4c9b5d7ab [2021-11-21 01:39:34,668 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:39:34,672 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i [2021-11-21 01:39:34,701 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/data/452e8b3f2/b3c843c95b9e4fecac51a2a021771aa6/FLAG4c9b5d7ab [2021-11-21 01:39:34,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/data/452e8b3f2/b3c843c95b9e4fecac51a2a021771aa6 [2021-11-21 01:39:34,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:39:34,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:39:34,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:39:34,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:39:34,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:39:34,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:39:34" (1/1) ... [2021-11-21 01:39:34,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f8c368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:34, skipping insertion in model container [2021-11-21 01:39:34,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:39:34" (1/1) ... [2021-11-21 01:39:34,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:39:35,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:39:35,596 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_3137b600-a0bc-497e-b007-5fa5ccc623cc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i[33021,33034] [2021-11-21 01:39:35,765 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_3137b600-a0bc-497e-b007-5fa5ccc623cc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i[49681,49694] [2021-11-21 01:39:35,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:39:35,796 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:39:35,830 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_3137b600-a0bc-497e-b007-5fa5ccc623cc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i[33021,33034] [2021-11-21 01:39:35,939 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_3137b600-a0bc-497e-b007-5fa5ccc623cc/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test5-3.i[49681,49694] [2021-11-21 01:39:35,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:39:36,033 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:39:36,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36 WrapperNode [2021-11-21 01:39:36,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:39:36,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:39:36,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:39:36,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:39:36,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,186 INFO L137 Inliner]: procedures = 177, calls = 487, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1704 [2021-11-21 01:39:36,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:39:36,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:39:36,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:39:36,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:39:36,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:39:36,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:39:36,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:39:36,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:39:36,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (1/1) ... [2021-11-21 01:39:36,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:39:36,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:36,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:39:36,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:39:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:39:36,502 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:39:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:39:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:39:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:39:36,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:39:36,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:39:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:39:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:39:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:39:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:39:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:39:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:39:36,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:39:36,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:39:36,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:39:36,935 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:39:36,937 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:39:38,454 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:39:38,984 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:39:38,984 INFO L301 CfgBuilder]: Removed 100 assume(true) statements. [2021-11-21 01:39:38,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:39:38 BoogieIcfgContainer [2021-11-21 01:39:38,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:39:38,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:39:38,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:39:38,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:39:38,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:39:34" (1/3) ... [2021-11-21 01:39:38,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c299a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:39:38, skipping insertion in model container [2021-11-21 01:39:38,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:39:36" (2/3) ... [2021-11-21 01:39:38,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c299a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:39:38, skipping insertion in model container [2021-11-21 01:39:38,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:39:38" (3/3) ... [2021-11-21 01:39:38,997 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_BER_test5-3.i [2021-11-21 01:39:39,003 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:39:39,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-11-21 01:39:39,057 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:39:39,064 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:39:39,064 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-11-21 01:39:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 190 states, 166 states have (on average 1.8313253012048192) internal successors, (304), 181 states have internal predecessors, (304), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-21 01:39:39,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 01:39:39,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:39,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 01:39:39,092 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:39:39,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:39,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1340156, now seen corresponding path program 1 times [2021-11-21 01:39:39,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:39,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692731501] [2021-11-21 01:39:39,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:39,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:39,224 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:39:39,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688221840] [2021-11-21 01:39:39,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:39,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:39,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:39,228 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:39:39,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:39:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:39:39,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:39:39,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:39:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:39:39,529 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:39:39,530 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:39:39,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692731501] [2021-11-21 01:39:39,531 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:39:39,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688221840] [2021-11-21 01:39:39,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688221840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:39:39,534 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:39:39,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:39:39,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883435482] [2021-11-21 01:39:39,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:39:39,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:39:39,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:39:39,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:39:39,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:39:39,584 INFO L87 Difference]: Start difference. First operand has 190 states, 166 states have (on average 1.8313253012048192) internal successors, (304), 181 states have internal predecessors, (304), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:39:41,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:39:41,274 INFO L93 Difference]: Finished difference Result 528 states and 925 transitions. [2021-11-21 01:39:41,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:39:41,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-11-21 01:39:41,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:39:41,295 INFO L225 Difference]: With dead ends: 528 [2021-11-21 01:39:41,295 INFO L226 Difference]: Without dead ends: 312 [2021-11-21 01:39:41,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:39:41,303 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 159 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:39:41,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 381 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 01:39:41,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2021-11-21 01:39:41,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 212. [2021-11-21 01:39:41,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 186 states have (on average 1.2473118279569892) internal successors, (232), 203 states have internal predecessors, (232), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 8 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 01:39:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 264 transitions. [2021-11-21 01:39:41,380 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 264 transitions. Word has length 3 [2021-11-21 01:39:41,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:39:41,381 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 264 transitions. [2021-11-21 01:39:41,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:39:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 264 transitions. [2021-11-21 01:39:41,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 01:39:41,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:41,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:39:41,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:39:41,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:39:41,607 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:39:41,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:41,608 INFO L85 PathProgramCache]: Analyzing trace with hash -938569559, now seen corresponding path program 1 times [2021-11-21 01:39:41,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:41,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234654748] [2021-11-21 01:39:41,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:41,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:41,663 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:39:41,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854312796] [2021-11-21 01:39:41,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:41,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:41,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:41,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:39:41,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:39:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:39:41,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:39:41,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:39:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:39:42,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:39:42,194 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:39:42,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234654748] [2021-11-21 01:39:42,194 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:39:42,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854312796] [2021-11-21 01:39:42,195 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854312796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:39:42,195 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:39:42,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:39:42,196 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827395388] [2021-11-21 01:39:42,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:39:42,197 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:39:42,197 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:39:42,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:39:42,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:39:42,198 INFO L87 Difference]: Start difference. First operand 212 states and 264 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:39:46,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:39:46,718 INFO L93 Difference]: Finished difference Result 312 states and 378 transitions. [2021-11-21 01:39:46,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:39:46,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-11-21 01:39:46,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:39:46,728 INFO L225 Difference]: With dead ends: 312 [2021-11-21 01:39:46,728 INFO L226 Difference]: Without dead ends: 311 [2021-11-21 01:39:46,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:39:46,730 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 116 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:39:46,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 521 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-11-21 01:39:46,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2021-11-21 01:39:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 307. [2021-11-21 01:39:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 275 states have (on average 1.2036363636363636) internal successors, (331), 292 states have internal predecessors, (331), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:39:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 375 transitions. [2021-11-21 01:39:46,759 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 375 transitions. Word has length 48 [2021-11-21 01:39:46,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:39:46,760 INFO L470 AbstractCegarLoop]: Abstraction has 307 states and 375 transitions. [2021-11-21 01:39:46,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:39:46,760 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 375 transitions. [2021-11-21 01:39:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 01:39:46,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:46,763 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:39:46,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 01:39:46,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:46,987 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:39:46,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:46,988 INFO L85 PathProgramCache]: Analyzing trace with hash 969115508, now seen corresponding path program 1 times [2021-11-21 01:39:46,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:46,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011392479] [2021-11-21 01:39:46,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:46,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:47,043 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:39:47,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1678492650] [2021-11-21 01:39:47,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:47,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:47,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:47,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:39:47,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:39:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:39:47,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 01:39:47,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:39:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:39:47,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:39:47,454 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:39:47,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011392479] [2021-11-21 01:39:47,454 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:39:47,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678492650] [2021-11-21 01:39:47,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678492650] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:39:47,455 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:39:47,455 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:39:47,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277888072] [2021-11-21 01:39:47,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:39:47,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:39:47,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:39:47,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:39:47,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:39:47,457 INFO L87 Difference]: Start difference. First operand 307 states and 375 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:39:48,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:39:48,650 INFO L93 Difference]: Finished difference Result 307 states and 375 transitions. [2021-11-21 01:39:48,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:39:48,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-21 01:39:48,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:39:48,666 INFO L225 Difference]: With dead ends: 307 [2021-11-21 01:39:48,666 INFO L226 Difference]: Without dead ends: 305 [2021-11-21 01:39:48,666 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:39:48,667 INFO L933 BasicCegarLoop]: 157 mSDtfsCounter, 118 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:39:48,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 327 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-21 01:39:48,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-11-21 01:39:48,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 304. [2021-11-21 01:39:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 274 states have (on average 1.197080291970803) internal successors, (328), 289 states have internal predecessors, (328), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 01:39:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 372 transitions. [2021-11-21 01:39:48,690 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 372 transitions. Word has length 49 [2021-11-21 01:39:48,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:39:48,690 INFO L470 AbstractCegarLoop]: Abstraction has 304 states and 372 transitions. [2021-11-21 01:39:48,691 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:39:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 372 transitions. [2021-11-21 01:39:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 01:39:48,693 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:48,693 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:39:48,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:39:48,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:48,919 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:39:48,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:48,920 INFO L85 PathProgramCache]: Analyzing trace with hash -687852433, now seen corresponding path program 1 times [2021-11-21 01:39:48,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:48,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267705970] [2021-11-21 01:39:48,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:48,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:48,952 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:39:48,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936137838] [2021-11-21 01:39:48,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:48,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:48,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:48,956 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:39:48,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:39:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:39:49,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:39:49,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:39:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:39:49,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:39:49,583 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:39:49,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267705970] [2021-11-21 01:39:49,584 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:39:49,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936137838] [2021-11-21 01:39:49,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936137838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:39:49,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:39:49,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:39:49,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823171095] [2021-11-21 01:39:49,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:39:49,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:39:49,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:39:49,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:39:49,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:39:49,587 INFO L87 Difference]: Start difference. First operand 304 states and 372 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:39:51,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:39:51,934 INFO L93 Difference]: Finished difference Result 589 states and 737 transitions. [2021-11-21 01:39:51,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:39:51,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-21 01:39:51,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:39:51,951 INFO L225 Difference]: With dead ends: 589 [2021-11-21 01:39:51,951 INFO L226 Difference]: Without dead ends: 357 [2021-11-21 01:39:51,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:39:51,954 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 76 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:39:51,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 346 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:39:51,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-21 01:39:51,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2021-11-21 01:39:51,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 338 states have internal predecessors, (383), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-21 01:39:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 447 transitions. [2021-11-21 01:39:51,981 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 447 transitions. Word has length 51 [2021-11-21 01:39:51,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:39:51,981 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 447 transitions. [2021-11-21 01:39:51,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:39:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 447 transitions. [2021-11-21 01:39:51,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 01:39:51,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:51,985 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:39:52,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:39:52,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:52,199 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:39:52,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:52,200 INFO L85 PathProgramCache]: Analyzing trace with hash 275991936, now seen corresponding path program 1 times [2021-11-21 01:39:52,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:52,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166680764] [2021-11-21 01:39:52,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:52,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:52,243 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:39:52,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1677789173] [2021-11-21 01:39:52,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:52,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:52,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:52,260 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:39:52,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:39:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:39:52,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:39:52,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:39:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 01:39:52,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:39:52,750 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:39:52,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166680764] [2021-11-21 01:39:52,750 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:39:52,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677789173] [2021-11-21 01:39:52,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677789173] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:39:52,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:39:52,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:39:52,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156821086] [2021-11-21 01:39:52,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:39:52,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:39:52,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:39:52,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:39:52,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:39:52,754 INFO L87 Difference]: Start difference. First operand 353 states and 447 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:39:55,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:39:56,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:39:56,825 INFO L93 Difference]: Finished difference Result 678 states and 862 transitions. [2021-11-21 01:39:56,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:39:56,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 01:39:56,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:39:56,841 INFO L225 Difference]: With dead ends: 678 [2021-11-21 01:39:56,841 INFO L226 Difference]: Without dead ends: 351 [2021-11-21 01:39:56,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:39:56,843 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 11 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.0s IncrementalHoareTripleChecker+Time [2021-11-21 01:39:56,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 328 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2021-11-21 01:39:56,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2021-11-21 01:39:56,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2021-11-21 01:39:56,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 311 states have (on average 1.2218649517684887) internal successors, (380), 336 states have internal predecessors, (380), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 16 states have call predecessors, (32), 32 states have call successors, (32) [2021-11-21 01:39:56,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 444 transitions. [2021-11-21 01:39:56,867 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 444 transitions. Word has length 64 [2021-11-21 01:39:56,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:39:56,868 INFO L470 AbstractCegarLoop]: Abstraction has 351 states and 444 transitions. [2021-11-21 01:39:56,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:39:56,868 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 444 transitions. [2021-11-21 01:39:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 01:39:56,871 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:39:56,871 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:39:56,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 01:39:57,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:57,099 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:39:57,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:39:57,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1091525609, now seen corresponding path program 1 times [2021-11-21 01:39:57,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:39:57,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011001931] [2021-11-21 01:39:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:57,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:39:57,125 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:39:57,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1593533851] [2021-11-21 01:39:57,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:39:57,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:39:57,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:39:57,127 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:39:57,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:40:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:40:48,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:40:48,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:40:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 01:40:49,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:40:49,010 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:40:49,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011001931] [2021-11-21 01:40:49,010 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:40:49,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1593533851] [2021-11-21 01:40:49,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1593533851] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:40:49,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:40:49,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:40:49,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489779167] [2021-11-21 01:40:49,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:40:49,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:40:49,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:40:49,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:40:49,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:40:49,013 INFO L87 Difference]: Start difference. First operand 351 states and 444 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:40:53,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:40:53,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:40:53,344 INFO L93 Difference]: Finished difference Result 684 states and 880 transitions. [2021-11-21 01:40:53,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:40:53,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-21 01:40:53,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:40:53,368 INFO L225 Difference]: With dead ends: 684 [2021-11-21 01:40:53,368 INFO L226 Difference]: Without dead ends: 353 [2021-11-21 01:40:53,369 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:40:53,370 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:40:53,370 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 01:40:53,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-11-21 01:40:53,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2021-11-21 01:40:53,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 338 states have internal predecessors, (382), 32 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (36), 16 states have call predecessors, (36), 32 states have call successors, (36) [2021-11-21 01:40:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2021-11-21 01:40:53,394 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 77 [2021-11-21 01:40:53,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:40:53,394 INFO L470 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2021-11-21 01:40:53,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 01:40:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2021-11-21 01:40:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 01:40:53,397 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:40:53,397 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:40:53,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:40:53,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 01:40:53,611 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2021-11-21 01:40:53,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:40:53,612 INFO L85 PathProgramCache]: Analyzing trace with hash 465521, now seen corresponding path program 1 times [2021-11-21 01:40:53,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:40:53,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967337681] [2021-11-21 01:40:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:40:53,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:40:53,632 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:40:53,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171736016] [2021-11-21 01:40:53,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:40:53,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:40:53,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:40:53,633 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:40:53,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3137b600-a0bc-497e-b007-5fa5ccc623cc/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:40:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:40:55,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-21 01:40:55,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:40:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 01:40:55,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:40:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 01:40:56,197 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:40:56,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967337681] [2021-11-21 01:40:56,197 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:40:56,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171736016] [2021-11-21 01:40:56,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171736016] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:40:56,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [944197930] [2021-11-21 01:40:56,220 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-21 01:40:56,220 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:40:56,225 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:40:56,230 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:40:56,230 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:40:56,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:56,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:56,420 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:40:56,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-21 01:40:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:56,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:40:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:56,532 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 01:40:56,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 01:40:56,636 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:40:56,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 01:40:56,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:40:56,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:40:56,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:56,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:56,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:56,735 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:40:56,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:40:56,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:40:57,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 01:40:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:57,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:57,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:40:58,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 01:40:58,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:40:58,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:40:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 01:40:58,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 01:40:58,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:58,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:40:59,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:40:59,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 01:40:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 01:40:59,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,281 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:40:59,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 01:40:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 115 [2021-11-21 01:40:59,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,451 INFO L354 Elim1Store]: treesize reduction 194, result has 22.4 percent of original size [2021-11-21 01:40:59,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 127 treesize of output 163 [2021-11-21 01:40:59,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:40:59,516 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:40:59,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 156 [2021-11-21 01:41:00,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:41:00,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:41:00,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:41:00,264 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:41:00,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 97 [2021-11-21 01:41:00,290 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:41:00,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 93 [2021-11-21 01:41:00,313 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:41:00,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 89 [2021-11-21 01:41:00,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:41:00,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 01:41:00,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 01:41:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:41:00,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:41:00,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:41:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 01:41:00,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:00,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 01:41:01,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:01,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:01,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:01,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:01,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:01,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:01,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:01,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:01,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 01:41:09,978 WARN L227 SmtUtils]: Spent 8.85s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:41:09,979 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:41:09,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2847 treesize of output 2324 [2021-11-21 01:41:10,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:22,143 WARN L227 SmtUtils]: Spent 12.12s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:41:22,144 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:41:22,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2948 treesize of output 2666 [2021-11-21 01:41:34,490 WARN L227 SmtUtils]: Spent 12.18s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:41:34,491 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 01:41:34,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-21 01:41:35,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:35,498 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:41:35,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-21 01:41:35,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:35,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:35,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:36,364 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 01:41:36,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-21 01:41:38,078 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:38,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:38,496 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 01:41:38,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-21 01:41:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:39,087 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 01:41:39,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-21 01:41:43,994 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:44,133 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:44,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:44,631 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:46,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:46,734 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:50,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:54,006 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:54,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:55,189 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:55,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:55,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:56,136 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:56,809 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:57,120 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:41:57,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:41:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:57,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:57,825 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:41:57,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:57,841 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:41:57,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:41:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:57,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:41:57,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 866 treesize of output 400 [2021-11-21 01:42:03,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:03,483 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:03,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:03,750 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:03,935 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:13,946 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:14,048 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:18,551 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:18,732 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:19,212 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:19,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:20,603 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:20,712 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:42:33,157 WARN L227 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 100 DAG size of output: 92 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:42:33,158 INFO L354 Elim1Store]: treesize reduction 122, result has 93.4 percent of original size [2021-11-21 01:42:33,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 25954 treesize of output 27158 [2021-11-21 01:42:33,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:42:39,240 WARN L227 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 101 DAG size of output: 89 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:42:39,241 INFO L354 Elim1Store]: treesize reduction 114, result has 93.8 percent of original size [2021-11-21 01:42:39,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 28211 treesize of output 29401 [2021-11-21 01:43:17,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:17,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:17,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:17,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:17,733 INFO L244 Elim1Store]: Index analysis took 116 ms [2021-11-21 01:43:17,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1708 treesize of output 1302 [2021-11-21 01:43:18,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:18,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:18,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:18,510 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:18,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:18,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:18,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:18,631 INFO L244 Elim1Store]: Index analysis took 200 ms [2021-11-21 01:43:18,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2325 treesize of output 1913 [2021-11-21 01:43:19,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:19,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:19,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:19,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:19,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:19,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:19,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:19,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:19,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:19,581 INFO L244 Elim1Store]: Index analysis took 249 ms [2021-11-21 01:43:19,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 753 treesize of output 371 [2021-11-21 01:43:19,966 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:20,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:20,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:20,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:20,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:20,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:20,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:20,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:20,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:20,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:20,600 INFO L244 Elim1Store]: Index analysis took 297 ms [2021-11-21 01:43:20,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 753 treesize of output 371 [2021-11-21 01:43:20,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:21,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:21,012 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:21,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:21,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:21,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:21,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:21,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:21,207 INFO L244 Elim1Store]: Index analysis took 227 ms [2021-11-21 01:43:21,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1314 treesize of output 926 [2021-11-21 01:43:21,519 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:23,096 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:23,264 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:23,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:23,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:23,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:23,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:23,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:23,701 INFO L244 Elim1Store]: Index analysis took 160 ms [2021-11-21 01:43:23,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2304 treesize of output 1910 [2021-11-21 01:43:24,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:24,513 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:24,725 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:24,908 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:25,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:25,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:25,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:25,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:25,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:25,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:25,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1687 treesize of output 1299 [2021-11-21 01:43:26,142 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:26,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:26,918 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:27,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:27,219 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:27,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:27,286 INFO L244 Elim1Store]: Index analysis took 112 ms [2021-11-21 01:43:27,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2304 treesize of output 1910 [2021-11-21 01:43:27,748 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:27,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:28,211 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:28,436 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:28,646 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:29,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:29,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:29,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:29,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:29,127 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-11-21 01:43:29,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1687 treesize of output 1299 [2021-11-21 01:43:29,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:31,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:31,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:31,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:31,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:31,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:31,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:31,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:31,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:31,974 INFO L244 Elim1Store]: Index analysis took 274 ms [2021-11-21 01:43:31,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:43:32,312 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:33,166 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:33,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:33,214 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:33,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:33,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:33,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:33,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:33,366 INFO L244 Elim1Store]: Index analysis took 202 ms [2021-11-21 01:43:33,565 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-21 01:43:33,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 2402 treesize of output 1916 [2021-11-21 01:43:33,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:33,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:33,974 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:34,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:34,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:34,033 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-11-21 01:43:35,043 INFO L354 Elim1Store]: treesize reduction 921, result has 32.4 percent of original size [2021-11-21 01:43:35,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 830 treesize of output 815 [2021-11-21 01:43:35,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:35,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:35,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:35,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:36,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:36,089 INFO L244 Elim1Store]: Index analysis took 155 ms [2021-11-21 01:43:36,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 815 treesize of output 365 [2021-11-21 01:43:37,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:37,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:37,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:37,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:37,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:37,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:37,588 INFO L244 Elim1Store]: Index analysis took 409 ms [2021-11-21 01:43:38,614 INFO L354 Elim1Store]: treesize reduction 1219, result has 22.9 percent of original size [2021-11-21 01:43:38,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 1391 treesize of output 1291 [2021-11-21 01:43:39,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:39,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:39,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:39,808 INFO L244 Elim1Store]: Index analysis took 358 ms [2021-11-21 01:43:39,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 830 treesize of output 374 [2021-11-21 01:43:40,347 INFO L244 Elim1Store]: Index analysis took 310 ms [2021-11-21 01:43:41,679 INFO L354 Elim1Store]: treesize reduction 1423, result has 23.7 percent of original size [2021-11-21 01:43:41,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 830 treesize of output 815 [2021-11-21 01:43:45,132 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:45,174 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:45,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:45,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:45,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:45,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:45,402 INFO L244 Elim1Store]: Index analysis took 278 ms [2021-11-21 01:43:45,421 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 01:43:45,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1785 treesize of output 1305 [2021-11-21 01:43:49,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:49,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:49,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:49,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:49,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:49,257 INFO L244 Elim1Store]: Index analysis took 197 ms [2021-11-21 01:43:49,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:43:49,377 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:50,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:50,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:50,223 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:50,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:50,271 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:50,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:50,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:50,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:50,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:50,494 INFO L244 Elim1Store]: Index analysis took 305 ms [2021-11-21 01:43:50,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:43:51,205 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:52,334 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:52,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:52,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:52,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:52,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:52,405 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:52,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:52,436 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-21 01:43:52,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2393 treesize of output 1913 [2021-11-21 01:43:52,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:52,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:53,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,166 INFO L244 Elim1Store]: Index analysis took 224 ms [2021-11-21 01:43:53,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:43:53,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,459 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:53,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:53,631 INFO L244 Elim1Store]: Index analysis took 259 ms [2021-11-21 01:43:53,652 INFO L354 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2021-11-21 01:43:53,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1382 treesize of output 926 [2021-11-21 01:43:54,600 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:54,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:54,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:54,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:43:54,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:54,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:54,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:43:54,837 INFO L244 Elim1Store]: Index analysis took 247 ms [2021-11-21 01:43:54,867 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-21 01:43:54,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 821 treesize of output 371 [2021-11-21 01:43:55,790 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:43:59,947 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:00,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:00,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:00,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:00,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:00,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:00,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:00,440 INFO L244 Elim1Store]: Index analysis took 186 ms [2021-11-21 01:44:00,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1764 treesize of output 1302 [2021-11-21 01:44:01,558 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:01,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:02,017 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:02,184 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:02,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:02,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:02,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:02,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:02,851 INFO L244 Elim1Store]: Index analysis took 211 ms [2021-11-21 01:44:03,144 INFO L354 Elim1Store]: treesize reduction 1154, result has 0.1 percent of original size [2021-11-21 01:44:03,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1370 treesize of output 926 [2021-11-21 01:44:03,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:03,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:03,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:03,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:03,941 INFO L244 Elim1Store]: Index analysis took 250 ms [2021-11-21 01:44:05,104 INFO L354 Elim1Store]: treesize reduction 793, result has 31.3 percent of original size [2021-11-21 01:44:05,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 2381 treesize of output 2275 [2021-11-21 01:44:08,254 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:08,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:08,295 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:08,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:08,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2372 treesize of output 1910 [2021-11-21 01:44:09,149 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:09,332 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:09,449 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:09,595 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:09,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:09,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:09,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:09,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1361 treesize of output 923 [2021-11-21 01:44:10,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:10,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:10,774 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:12,366 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:12,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:12,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:12,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:12,923 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:13,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:13,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:13,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:13,292 INFO L244 Elim1Store]: Index analysis took 530 ms [2021-11-21 01:44:13,316 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-21 01:44:13,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1764 treesize of output 1302 [2021-11-21 01:44:14,650 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:14,818 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:15,118 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:15,274 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:15,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:15,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:15,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:15,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:15,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:15,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:15,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:15,954 INFO L244 Elim1Store]: Index analysis took 290 ms [2021-11-21 01:44:15,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1370 treesize of output 926 [2021-11-21 01:44:16,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:16,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:16,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:16,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:16,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:44:16,842 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:44:16,842 INFO L244 Elim1Store]: Index analysis took 174 ms [2021-11-21 01:44:16,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2381 treesize of output 1913 [2021-11-21 01:44:18,307 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:18,560 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:44:31,834 INFO L244 Elim1Store]: Index analysis took 349 ms [2021-11-21 01:44:36,134 INFO L354 Elim1Store]: treesize reduction 7354, result has 50.2 percent of original size [2021-11-21 01:44:36,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 5771 treesize of output 11341