./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.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_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/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_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/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_1b1839e4-dc83-4798-9562-f4aa06208ebe/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 c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:03:38,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:03:38,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:03:38,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:03:38,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:03:38,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:03:38,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:03:38,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:03:38,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:03:38,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:03:38,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:03:38,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:03:38,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:03:38,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:03:38,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:03:38,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:03:38,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:03:38,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:03:38,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:03:38,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:03:38,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:03:38,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:03:38,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:03:38,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:03:38,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:03:38,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:03:38,721 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:03:38,722 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:03:38,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:03:38,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:03:38,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:03:38,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:03:38,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:03:38,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:03:38,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:03:38,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:03:38,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:03:38,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:03:38,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:03:38,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:03:38,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:03:38,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 01:03:38,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:03:38,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:03:38,758 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:03:38,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:03:38,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:03:38,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:03:38,760 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:03:38,760 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:03:38,760 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:03:38,761 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:03:38,761 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:03:38,761 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:03:38,761 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:03:38,762 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:03:38,762 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:03:38,762 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:03:38,763 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:03:38,763 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:03:38,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:03:38,764 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:03:38,764 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:03:38,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:03:38,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:03:38,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:03:38,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:03:38,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:03:38,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:03:38,766 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 01:03:38,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:03:38,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:03:38,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:03:38,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:03:38,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:03:38,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:03:38,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:03:38,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:03:38,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:03:38,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:03:38,770 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:03:38,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:03:38,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:03:38,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:03:38,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:03:38,771 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_1b1839e4-dc83-4798-9562-f4aa06208ebe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e [2021-11-21 01:03:39,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:03:39,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:03:39,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:03:39,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:03:39,036 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:03:39,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-21 01:03:39,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/data/48bc3ae53/48613bae8a124b999bbdcf57ba079397/FLAG2f8a5e56c [2021-11-21 01:03:39,771 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:03:39,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-21 01:03:39,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/data/48bc3ae53/48613bae8a124b999bbdcf57ba079397/FLAG2f8a5e56c [2021-11-21 01:03:39,998 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/data/48bc3ae53/48613bae8a124b999bbdcf57ba079397 [2021-11-21 01:03:40,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:03:40,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:03:40,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:40,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:03:40,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:03:40,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:39" (1/1) ... [2021-11-21 01:03:40,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f7a73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40, skipping insertion in model container [2021-11-21 01:03:40,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:03:39" (1/1) ... [2021-11-21 01:03:40,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:03:40,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:03:40,571 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_1b1839e4-dc83-4798-9562-f4aa06208ebe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2021-11-21 01:03:40,741 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_1b1839e4-dc83-4798-9562-f4aa06208ebe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2021-11-21 01:03:40,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:03:40,758 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:03:40,795 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_1b1839e4-dc83-4798-9562-f4aa06208ebe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2021-11-21 01:03:40,884 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_1b1839e4-dc83-4798-9562-f4aa06208ebe/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2021-11-21 01:03:40,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:03:40,962 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:03:40,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40 WrapperNode [2021-11-21 01:03:40,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:03:40,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:03:40,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:03:40,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:03:40,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,092 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-21 01:03:41,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:03:41,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:03:41,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:03:41,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:03:41,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:03:41,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:03:41,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:03:41,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:03:41,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (1/1) ... [2021-11-21 01:03:41,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:03:41,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:03:41,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:03:41,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:03:41,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:03:41,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:03:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:03:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:03:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:03:41,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:03:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:03:41,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 01:03:41,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 01:03:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:03:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:03:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:03:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:03:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:03:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:03:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:03:41,586 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:03:41,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:03:42,339 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:03:42,688 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:03:42,688 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-21 01:03:42,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:42 BoogieIcfgContainer [2021-11-21 01:03:42,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:03:42,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:03:42,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:03:42,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:03:42,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:03:39" (1/3) ... [2021-11-21 01:03:42,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462151d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:03:42, skipping insertion in model container [2021-11-21 01:03:42,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:03:40" (2/3) ... [2021-11-21 01:03:42,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@462151d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:03:42, skipping insertion in model container [2021-11-21 01:03:42,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:03:42" (3/3) ... [2021-11-21 01:03:42,705 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test2-1.i [2021-11-21 01:03:42,711 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:03:42,711 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-21 01:03:42,774 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:03:42,787 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 01:03:42,787 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-21 01:03:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 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 01:03:42,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:03:42,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:42,843 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:03:42,843 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 01:03:42,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:42,849 INFO L85 PathProgramCache]: Analyzing trace with hash 22945886, now seen corresponding path program 1 times [2021-11-21 01:03:42,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:03:42,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045367019] [2021-11-21 01:03:42,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:42,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:03:42,974 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:03:42,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1955418374] [2021-11-21 01:03:42,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:42,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:03:42,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:03:42,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:03:43,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:03:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:43,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:03:43,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:03:43,255 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 01:03:43,336 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 01:03:43,348 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 01:03:43,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:03:43,349 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:03:43,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045367019] [2021-11-21 01:03:43,350 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:03:43,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955418374] [2021-11-21 01:03:43,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955418374] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:03:43,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:03:43,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:03:43,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856552259] [2021-11-21 01:03:43,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:03:43,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:03:43,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:03:43,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:03:43,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:03:43,399 INFO L87 Difference]: Start difference. First operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 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 01:03:45,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:03:47,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:03:47,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:03:47,324 INFO L93 Difference]: Finished difference Result 308 states and 522 transitions. [2021-11-21 01:03:47,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:03:47,345 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 01:03:47,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:03:47,355 INFO L225 Difference]: With dead ends: 308 [2021-11-21 01:03:47,355 INFO L226 Difference]: Without dead ends: 187 [2021-11-21 01:03:47,359 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 01:03:47,362 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 75 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:03:47,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 337 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-21 01:03:47,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-21 01:03:47,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-21 01:03:47,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 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 01:03:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-21 01:03:47,411 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-21 01:03:47,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:03:47,411 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-21 01:03:47,412 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 01:03:47,412 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-21 01:03:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:03:47,414 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:47,414 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] [2021-11-21 01:03:47,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:03:47,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-21 01:03:47,634 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-21 01:03:47,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:47,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1811846183, now seen corresponding path program 1 times [2021-11-21 01:03:47,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:03:47,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533866075] [2021-11-21 01:03:47,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:47,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:03:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:47,740 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 01:03:47,741 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:03:47,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533866075] [2021-11-21 01:03:47,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533866075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:03:47,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:03:47,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:03:47,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098600097] [2021-11-21 01:03:47,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:03:47,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:03:47,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:03:47,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:03:47,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:03:47,745 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 01:03:50,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:03:50,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:03:50,393 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-21 01:03:50,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:03:50,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-21 01:03:50,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:03:50,401 INFO L225 Difference]: With dead ends: 230 [2021-11-21 01:03:50,401 INFO L226 Difference]: Without dead ends: 174 [2021-11-21 01:03:50,402 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 01:03:50,404 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:03:50,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-21 01:03:50,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-21 01:03:50,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-21 01:03:50,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 states have internal predecessors, (130), 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 01:03:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-21 01:03:50,420 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-21 01:03:50,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:03:50,420 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-21 01:03:50,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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 01:03:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-21 01:03:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 01:03:50,421 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:50,422 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 01:03:50,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:03:50,422 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 01:03:50,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:50,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1081850416, now seen corresponding path program 1 times [2021-11-21 01:03:50,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:03:50,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15572515] [2021-11-21 01:03:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:50,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:03:50,466 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:03:50,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367725653] [2021-11-21 01:03:50,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:50,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:03:50,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:03:50,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:03:50,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:03:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:50,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:03:50,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:03:50,796 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 01:03:50,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:03:50,796 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:03:50,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15572515] [2021-11-21 01:03:50,797 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:03:50,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367725653] [2021-11-21 01:03:50,797 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367725653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:03:50,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:03:50,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:03:50,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024161038] [2021-11-21 01:03:50,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:03:50,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:03:50,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:03:50,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:03:50,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:03:50,801 INFO L87 Difference]: Start difference. First operand 121 states and 146 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 01:03:52,799 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 01:03:53,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:03:53,139 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-21 01:03:53,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:03:53,148 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 01:03:53,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:03:53,149 INFO L225 Difference]: With dead ends: 288 [2021-11-21 01:03:53,149 INFO L226 Difference]: Without dead ends: 172 [2021-11-21 01:03:53,151 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 01:03:53,152 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:03:53,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-21 01:03:53,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-21 01:03:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-21 01:03:53,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-21 01:03:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-21 01:03:53,174 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-21 01:03:53,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:03:53,174 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-21 01:03:53,175 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 01:03:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-21 01:03:53,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 01:03:53,176 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:53,177 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 01:03:53,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 01:03:53,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:03:53,390 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 01:03:53,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:53,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1435534316, now seen corresponding path program 1 times [2021-11-21 01:03:53,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:03:53,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594004718] [2021-11-21 01:03:53,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:53,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:03:53,425 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:03:53,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [709860520] [2021-11-21 01:03:53,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:53,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:03:53,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:03:53,430 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:03:53,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:03:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:53,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 01:03:53,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:03:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:03:54,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:03:54,075 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:03:54,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594004718] [2021-11-21 01:03:54,076 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:03:54,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709860520] [2021-11-21 01:03:54,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709860520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:03:54,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:03:54,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:03:54,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488992343] [2021-11-21 01:03:54,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:03:54,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:03:54,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:03:54,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:03:54,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:03:54,080 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:03:55,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:03:55,640 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-21 01:03:55,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:03:55,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-21 01:03:55,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:03:55,652 INFO L225 Difference]: With dead ends: 320 [2021-11-21 01:03:55,652 INFO L226 Difference]: Without dead ends: 170 [2021-11-21 01:03:55,653 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 01:03:55,655 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:03:55,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-21 01:03:55,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-21 01:03:55,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-21 01:03:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2021-11-21 01:03:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-21 01:03:55,694 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-21 01:03:55,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:03:55,695 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-21 01:03:55,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 01:03:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-21 01:03:55,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 01:03:55,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:03:55,698 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 01:03:55,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:03:55,913 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:03:55,914 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 01:03:55,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:03:55,915 INFO L85 PathProgramCache]: Analyzing trace with hash -2090279668, now seen corresponding path program 1 times [2021-11-21 01:03:55,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:03:55,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660628192] [2021-11-21 01:03:55,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:55,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:03:55,931 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 01:03:55,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119437609] [2021-11-21 01:03:55,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:03:55,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:03:55,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:03:55,933 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:03:55,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b1839e4-dc83-4798-9562-f4aa06208ebe/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:03:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:03:56,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:03:56,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:03:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:03:56,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:03:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:03:56,653 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:03:56,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660628192] [2021-11-21 01:03:56,654 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 01:03:56,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119437609] [2021-11-21 01:03:56,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119437609] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:03:56,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [915414888] [2021-11-21 01:03:56,686 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-21 01:03:56,686 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:03:56,690 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:03:56,694 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:03:56,695 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:03:56,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:56,814 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:03:56,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-21 01:03:56,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:56,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-21 01:03:56,854 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 01:03:56,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:56,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:56,886 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:03:56,886 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 01:03:56,916 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 01:03:57,022 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 01:03:57,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,080 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 01:03:57,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 49 [2021-11-21 01:03:57,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 01:03:57,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,138 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 37 treesize of output 38 [2021-11-21 01:03:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,225 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:03:57,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-21 01:03:57,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:57,494 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 01:03:57,525 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 01:03:57,586 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 01:03:58,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,938 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 01:03:58,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:58,981 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 01:03:59,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,036 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 01:03:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,112 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 01:03:59,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,179 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 01:03:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,222 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 01:03:59,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,259 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 01:03:59,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,421 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 01:03:59,421 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 01:03:59,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,500 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 01:03:59,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,567 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-21 01:03:59,568 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 01:03:59,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,643 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-21 01:03:59,644 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 01:03:59,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:03:59,777 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 01:04:00,333 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 01:04:00,341 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 01:04:00,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 01:04:00,410 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:04:00,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 01:04:00,437 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 01:04:00,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 01:04:00,462 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 01:04:00,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 01:04:00,565 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 01:04:00,572 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 01:04:00,580 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 01:04:00,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,652 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 01:04:00,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,698 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 01:04:00,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:00,737 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 01:04:01,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,052 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 01:04:01,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,125 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 01:04:01,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:01,194 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 01:04:08,432 WARN L227 SmtUtils]: Spent 7.15s 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 01:04:08,433 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 01:04:08,436 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 01:04:08,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:19,768 WARN L227 SmtUtils]: Spent 11.28s 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 01:04:19,769 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 01:04:19,770 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 01:04:31,219 WARN L227 SmtUtils]: Spent 11.31s 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 01:04:31,220 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-21 01:04:31,221 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 01:04:31,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:31,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:32,410 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-21 01:04:32,411 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 25950 treesize of output 25964 [2021-11-21 01:04:32,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:32,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:32,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:33,501 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-21 01:04:33,502 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 25949 treesize of output 25964 [2021-11-21 01:04:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:35,065 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-21 01:04:35,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-21 01:04:35,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:35,977 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-21 01:04:35,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 44 [2021-11-21 01:04:37,163 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-11-21 01:04:39,550 INFO L354 Elim1Store]: treesize reduction 448, result has 75.9 percent of original size [2021-11-21 01:04:39,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2228 treesize of output 3182 [2021-11-21 01:04:45,552 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-21 01:04:45,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 1405 treesize of output 1413 [2021-11-21 01:04:46,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:46,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-21 01:04:47,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:47,639 INFO L244 Elim1Store]: Index analysis took 103 ms [2021-11-21 01:04:47,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:48,570 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-21 01:04:48,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-21 01:04:49,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:49,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:49,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-11-21 01:04:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:04:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver