./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/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_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/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_cab5b2f8-d04d-4fba-9730-bb57af438124/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 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:30:20,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:30:20,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:30:20,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:30:20,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:30:20,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:30:20,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:30:20,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:30:20,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:30:20,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:30:20,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:30:20,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:30:20,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:30:20,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:30:20,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:30:20,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:30:20,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:30:20,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:30:20,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:30:20,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:30:20,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:30:20,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:30:20,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:30:20,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:30:20,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:30:20,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:30:20,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:30:20,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:30:20,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:30:20,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:30:20,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:30:20,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:30:20,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:30:20,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:30:20,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:30:20,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:30:20,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:30:20,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:30:20,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:30:20,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:30:20,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:30:20,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:30:20,600 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:30:20,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:30:20,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:30:20,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:30:20,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:30:20,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:30:20,603 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:30:20,603 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:30:20,603 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:30:20,604 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:30:20,604 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:30:20,605 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:30:20,605 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:30:20,605 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:30:20,606 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:30:20,606 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:30:20,606 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:30:20,607 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:30:20,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:30:20,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:30:20,609 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:30:20,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:30:20,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:30:20,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:30:20,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:30:20,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:30:20,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:30:20,611 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:30:20,612 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:30:20,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:30:20,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:30:20,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:30:20,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:30:20,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:30:20,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:30:20,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:30:20,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:30:20,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:30:20,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:30:20,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:30:20,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:30:20,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:30:20,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:30:20,615 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_cab5b2f8-d04d-4fba-9730-bb57af438124/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f1aaf5276e100f83cf10565e66c3b5d8c0baa3bbd1a1424b76fbee71241f226 [2021-11-21 01:30:20,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:30:20,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:30:20,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:30:20,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:30:20,897 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:30:20,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2021-11-21 01:30:20,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/data/9f887cc19/99b40e0e418746bd935e56fe5d58a6f0/FLAG5e030ee6c [2021-11-21 01:30:21,551 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:30:21,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i [2021-11-21 01:30:21,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/data/9f887cc19/99b40e0e418746bd935e56fe5d58a6f0/FLAG5e030ee6c [2021-11-21 01:30:21,772 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/data/9f887cc19/99b40e0e418746bd935e56fe5d58a6f0 [2021-11-21 01:30:21,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:30:21,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:30:21,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:30:21,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:30:21,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:30:21,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:30:21" (1/1) ... [2021-11-21 01:30:21,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e6d34a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:21, skipping insertion in model container [2021-11-21 01:30:21,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:30:21" (1/1) ... [2021-11-21 01:30:21,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:30:21,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:30:22,295 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_cab5b2f8-d04d-4fba-9730-bb57af438124/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2021-11-21 01:30:22,409 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_cab5b2f8-d04d-4fba-9730-bb57af438124/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2021-11-21 01:30:22,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:30:22,438 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:30:22,473 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_cab5b2f8-d04d-4fba-9730-bb57af438124/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[33021,33034] [2021-11-21 01:30:22,571 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_cab5b2f8-d04d-4fba-9730-bb57af438124/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test3-1.i[44590,44603] [2021-11-21 01:30:22,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:30:22,631 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:30:22,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22 WrapperNode [2021-11-21 01:30:22,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:30:22,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:30:22,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:30:22,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:30:22,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,745 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-21 01:30:22,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:30:22,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:30:22,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:30:22,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:30:22,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:30:22,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:30:22,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:30:22,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:30:22,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (1/1) ... [2021-11-21 01:30:22,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:30:22,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:30:22,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:30:23,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:30:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:30:23,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:30:23,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:30:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:30:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:30:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:30:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:30:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:30:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:30:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:30:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:30:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:30:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:30:23,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:30:23,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:30:23,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:30:23,304 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:30:23,306 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:30:24,443 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:30:24,817 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:30:24,818 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-21 01:30:24,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:30:24 BoogieIcfgContainer [2021-11-21 01:30:24,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:30:24,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:30:24,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:30:24,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:30:24,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:30:21" (1/3) ... [2021-11-21 01:30:24,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fec5483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:30:24, skipping insertion in model container [2021-11-21 01:30:24,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:30:22" (2/3) ... [2021-11-21 01:30:24,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fec5483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:30:24, skipping insertion in model container [2021-11-21 01:30:24,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:30:24" (3/3) ... [2021-11-21 01:30:24,828 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test3-1.i [2021-11-21 01:30:24,834 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:30:24,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 01:30:24,881 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:30:24,888 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 01:30:24,888 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 01:30:24,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:30:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:30:24,910 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:24,911 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:30:24,911 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:30:24,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:24,916 INFO L85 PathProgramCache]: Analyzing trace with hash 26287934, now seen corresponding path program 1 times [2021-11-21 01:30:24,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:30:24,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467426980] [2021-11-21 01:30:24,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:24,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:30:25,027 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:30:25,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [144944108] [2021-11-21 01:30:25,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:25,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:30:25,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:30:25,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:30:25,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:30:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:25,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:30:25,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:30:25,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 01:30:25,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-21 01:30:25,351 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 01:30:25,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:30:25,352 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:30:25,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467426980] [2021-11-21 01:30:25,353 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:30:25,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144944108] [2021-11-21 01:30:25,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144944108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:25,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:25,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:30:25,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011783414] [2021-11-21 01:30:25,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:25,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:30:25,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:30:25,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:30:25,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:30:25,390 INFO L87 Difference]: Start difference. First operand has 133 states, 114 states have (on average 1.8157894736842106) internal successors, (207), 127 states have internal predecessors, (207), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:30:27,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:30:27,124 INFO L93 Difference]: Finished difference Result 341 states and 581 transitions. [2021-11-21 01:30:27,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:30:27,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 01:30:27,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:30:27,148 INFO L225 Difference]: With dead ends: 341 [2021-11-21 01:30:27,148 INFO L226 Difference]: Without dead ends: 208 [2021-11-21 01:30:27,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:30:27,155 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 81 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:30:27,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 374 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 01:30:27,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-21 01:30:27,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 136. [2021-11-21 01:30:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 130 states have internal predecessors, (149), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:30:27,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2021-11-21 01:30:27,209 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 4 [2021-11-21 01:30:27,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:30:27,210 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2021-11-21 01:30:27,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:30:27,211 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2021-11-21 01:30:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 01:30:27,211 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:27,212 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:27,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:30:27,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:30:27,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:30:27,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:27,428 INFO L85 PathProgramCache]: Analyzing trace with hash 554609707, now seen corresponding path program 1 times [2021-11-21 01:30:27,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:30:27,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755529916] [2021-11-21 01:30:27,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:27,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:30:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:27,526 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 01:30:27,526 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:30:27,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755529916] [2021-11-21 01:30:27,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755529916] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:27,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:27,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:30:27,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915760180] [2021-11-21 01:30:27,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:27,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:30:27,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:30:27,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:30:27,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:30:27,545 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:30:29,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:30:29,387 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2021-11-21 01:30:29,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:30:29,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-21 01:30:29,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:30:29,395 INFO L225 Difference]: With dead ends: 266 [2021-11-21 01:30:29,395 INFO L226 Difference]: Without dead ends: 195 [2021-11-21 01:30:29,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:30:29,398 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 68 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:30:29,398 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 383 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-21 01:30:29,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2021-11-21 01:30:29,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 136. [2021-11-21 01:30:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.2542372881355932) internal successors, (148), 130 states have internal predecessors, (148), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:30:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 164 transitions. [2021-11-21 01:30:29,416 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 164 transitions. Word has length 9 [2021-11-21 01:30:29,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:30:29,416 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 164 transitions. [2021-11-21 01:30:29,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:30:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 164 transitions. [2021-11-21 01:30:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:30:29,418 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:29,418 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:29,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:30:29,419 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:30:29,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:29,420 INFO L85 PathProgramCache]: Analyzing trace with hash 488272890, now seen corresponding path program 1 times [2021-11-21 01:30:29,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:30:29,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724869262] [2021-11-21 01:30:29,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:29,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:30:29,441 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:30:29,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [444982255] [2021-11-21 01:30:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:29,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:30:29,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:30:29,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:30:29,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:30:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:29,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:30:29,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:30:29,782 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 01:30:29,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:30:29,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:30:29,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724869262] [2021-11-21 01:30:29,783 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:30:29,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444982255] [2021-11-21 01:30:29,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444982255] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:29,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:29,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:30:29,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471571666] [2021-11-21 01:30:29,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:29,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:30:29,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:30:29,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:30:29,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:30:29,786 INFO L87 Difference]: Start difference. First operand 136 states and 164 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:30:31,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:30:31,976 INFO L93 Difference]: Finished difference Result 332 states and 405 transitions. [2021-11-21 01:30:31,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:30:31,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-21 01:30:31,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:30:31,991 INFO L225 Difference]: With dead ends: 332 [2021-11-21 01:30:31,991 INFO L226 Difference]: Without dead ends: 201 [2021-11-21 01:30:31,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:30:31,993 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 64 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:30:31,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 302 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-21 01:30:31,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-11-21 01:30:32,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2021-11-21 01:30:32,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 163 states have (on average 1.2269938650306749) internal successors, (200), 175 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-21 01:30:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2021-11-21 01:30:32,012 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 28 [2021-11-21 01:30:32,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:30:32,013 INFO L470 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2021-11-21 01:30:32,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:30:32,013 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2021-11-21 01:30:32,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 01:30:32,015 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:32,015 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:32,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 01:30:32,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:30:32,231 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:30:32,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:32,232 INFO L85 PathProgramCache]: Analyzing trace with hash -601106124, now seen corresponding path program 1 times [2021-11-21 01:30:32,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:30:32,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232643323] [2021-11-21 01:30:32,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:32,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:30:32,251 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:30:32,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1205507473] [2021-11-21 01:30:32,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:32,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:30:32,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:30:32,260 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:30:32,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:30:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:32,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:30:32,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:30:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:30:32,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:30:32,724 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:30:32,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232643323] [2021-11-21 01:30:32,724 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:30:32,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205507473] [2021-11-21 01:30:32,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205507473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:32,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:32,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:30:32,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102141340] [2021-11-21 01:30:32,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:32,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:30:32,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:30:32,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:30:32,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:30:32,727 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:30:34,883 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:30:35,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:30:35,079 INFO L93 Difference]: Finished difference Result 346 states and 418 transitions. [2021-11-21 01:30:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:30:35,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2021-11-21 01:30:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:30:35,088 INFO L225 Difference]: With dead ends: 346 [2021-11-21 01:30:35,088 INFO L226 Difference]: Without dead ends: 183 [2021-11-21 01:30:35,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:30:35,090 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 1 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:30:35,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 416 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:30:35,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-11-21 01:30:35,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-11-21 01:30:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.2317073170731707) internal successors, (202), 177 states have internal predecessors, (202), 8 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9) [2021-11-21 01:30:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 219 transitions. [2021-11-21 01:30:35,124 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 219 transitions. Word has length 41 [2021-11-21 01:30:35,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:30:35,124 INFO L470 AbstractCegarLoop]: Abstraction has 183 states and 219 transitions. [2021-11-21 01:30:35,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-21 01:30:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 219 transitions. [2021-11-21 01:30:35,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 01:30:35,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:35,127 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:30:35,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:30:35,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:30:35,328 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:30:35,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:35,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1335578956, now seen corresponding path program 1 times [2021-11-21 01:30:35,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:30:35,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314481325] [2021-11-21 01:30:35,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:35,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:30:35,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:30:35,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [707431372] [2021-11-21 01:30:35,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:35,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:30:35,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:30:35,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:30:35,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cab5b2f8-d04d-4fba-9730-bb57af438124/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:30:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:35,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:30:35,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:30:36,094 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:30:36,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:30:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:30:36,289 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:30:36,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314481325] [2021-11-21 01:30:36,290 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:30:36,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707431372] [2021-11-21 01:30:36,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707431372] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:30:36,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [149486627] [2021-11-21 01:30:36,310 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 01:30:36,310 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:30:36,314 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:30:36,318 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:30:36,318 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:30:36,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:30:36,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:30:36,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,479 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:30:36,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 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 01:30:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,508 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 01:30:36,535 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 01:30:36,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,700 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 01:30:36,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:30:36,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 01:30:36,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,786 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-21 01:30:36,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 38 [2021-11-21 01:30:36,820 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 01:30:36,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:36,898 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:30:36,898 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 01:30:37,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:37,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:37,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:37,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:37,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 59 [2021-11-21 01:30:37,197 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 01:30:37,231 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 01:30:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 75 [2021-11-21 01:30:38,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 74 [2021-11-21 01:30:38,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,620 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 01:30:38,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,649 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 01:30:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,750 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 01:30:38,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 86 [2021-11-21 01:30:38,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:38,889 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 01:30:39,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,043 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:30:39,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 17 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 75 treesize of output 77 [2021-11-21 01:30:39,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,106 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 01:30:39,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,169 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:30:39,170 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 127 treesize of output 138 [2021-11-21 01:30:39,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,260 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 01:30:39,260 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 126 treesize of output 132 [2021-11-21 01:30:39,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:39,369 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 01:30:39,905 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 01:30:39,912 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 01:30:39,919 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 01:30:39,978 INFO L354 Elim1Store]: treesize reduction 34, result has 22.7 percent of original size [2021-11-21 01:30:39,979 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 01:30:40,002 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:30:40,002 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 01:30:40,026 INFO L354 Elim1Store]: treesize reduction 32, result has 23.8 percent of original size [2021-11-21 01:30:40,027 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 01:30:40,091 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 01:30:40,101 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 01:30:40,109 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 01:30:40,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:30:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,225 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 01:30:40,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,266 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 01:30:40,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,558 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 01:30:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 22 [2021-11-21 01:30:40,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:40,707 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 01:30:47,402 WARN L227 SmtUtils]: Spent 6.55s 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 01:30:47,403 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:30:47,404 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 01:30:47,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:30:58,673 WARN L227 SmtUtils]: Spent 11.23s 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 01:30:58,674 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:30:58,675 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 01:31:10,644 WARN L227 SmtUtils]: Spent 11.82s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:31:10,645 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:31:10,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2852 treesize of output 2682 [2021-11-21 01:31:11,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:11,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:11,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:12,528 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-21 01:31:12,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25950 treesize of output 25981 [2021-11-21 01:31:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:12,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:13,536 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:31:13,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 25960 treesize of output 25974 [2021-11-21 01:31:16,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:16,242 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:31:16,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:31:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:17,456 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:31:17,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-21 01:31:19,147 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:19,812 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:20,453 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:21,101 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:22,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:22,391 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:23,025 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:23,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:23,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:24,003 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:25,871 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:26,396 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:27,022 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:27,344 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:27,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:27,616 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:29,986 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:30,451 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:32,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:32,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:32,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:32,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:32,243 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:32,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:32,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:32,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:32,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:32,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:32,309 INFO L244 Elim1Store]: Index analysis took 104 ms [2021-11-21 01:31:32,313 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 1319 treesize of output 865 [2021-11-21 01:31:33,932 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:34,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:41,026 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:41,854 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:42,499 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:42,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:43,894 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:44,044 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:44,507 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:44,634 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:45,047 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:45,166 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:48,356 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:48,691 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:49,014 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:49,869 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:51,221 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:51,338 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:51,762 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:51,892 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:52,389 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:31:52,528 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:32:01,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:01,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:01,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:01,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:01,577 INFO L244 Elim1Store]: Index analysis took 444 ms [2021-11-21 01:32:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:01,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:01,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:01,811 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-21 01:32:01,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4848 treesize of output 3280 [2021-11-21 01:32:02,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:02,677 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:02,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:02,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:02,982 INFO L244 Elim1Store]: Index analysis took 339 ms [2021-11-21 01:32:03,414 INFO L354 Elim1Store]: treesize reduction 392, result has 0.3 percent of original size [2021-11-21 01:32:03,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 4904 treesize of output 3326 [2021-11-21 01:32:05,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:05,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:05,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:05,445 INFO L244 Elim1Store]: Index analysis took 467 ms [2021-11-21 01:32:05,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,661 INFO L354 Elim1Store]: treesize reduction 6592, result has 45.3 percent of original size [2021-11-21 01:32:10,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 4848 treesize of output 8650 [2021-11-21 01:32:12,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:12,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,126 INFO L244 Elim1Store]: Index analysis took 597 ms [2021-11-21 01:32:13,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,848 INFO L354 Elim1Store]: treesize reduction 460, result has 0.2 percent of original size [2021-11-21 01:32:13,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 5685 treesize of output 3935 [2021-11-21 01:32:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:18,048 INFO L244 Elim1Store]: Index analysis took 1020 ms [2021-11-21 01:32:18,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:28,602 WARN L227 SmtUtils]: Spent 8.42s on a formula simplification. DAG size of input: 152 DAG size of output: 97 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:32:28,603 INFO L354 Elim1Store]: treesize reduction 8966, result has 44.9 percent of original size [2021-11-21 01:32:28,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 4869 treesize of output 10502 [2021-11-21 01:32:32,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:32,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:32,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:32,860 INFO L244 Elim1Store]: Index analysis took 662 ms [2021-11-21 01:32:33,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:36,458 INFO L354 Elim1Store]: treesize reduction 6628, result has 45.3 percent of original size [2021-11-21 01:32:36,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 5363 treesize of output 9105 [2021-11-21 01:32:44,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:44,301 INFO L244 Elim1Store]: Index analysis took 300 ms [2021-11-21 01:32:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:46,833 INFO L354 Elim1Store]: treesize reduction 7616, result has 37.8 percent of original size [2021-11-21 01:32:46,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 5083 treesize of output 7963 [2021-11-21 01:33:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:10,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-21 01:33:11,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:11,974 INFO L354 Elim1Store]: treesize reduction 17, result has 37.0 percent of original size [2021-11-21 01:33:11,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 32 [2021-11-21 01:33:12,852 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 01:33:13,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:13,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2021-11-21 01:33:24,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:24,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:24,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:33:25,325 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-21 01:33:25,325 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 10 case distinctions, treesize of input 76011 treesize of output 76025 [2021-11-21 01:35:51,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver