./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/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_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/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_5b2b11b9-7bf1-4198-8976-d57e6524c297/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 dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:13:03,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:13:03,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:13:03,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:13:03,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:13:03,969 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:13:03,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:13:03,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:13:03,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:13:03,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:13:03,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:13:03,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:13:03,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:13:03,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:13:03,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:13:03,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:13:03,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:13:03,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:13:04,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:13:04,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:13:04,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:13:04,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:13:04,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:13:04,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:13:04,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:13:04,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:13:04,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:13:04,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:13:04,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:13:04,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:13:04,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:13:04,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:13:04,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:13:04,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:13:04,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:13:04,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:13:04,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:13:04,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:13:04,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:13:04,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:13:04,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:13:04,038 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:13:04,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:13:04,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:13:04,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:13:04,082 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:13:04,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:13:04,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:13:04,083 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:13:04,084 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:13:04,084 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:13:04,084 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:13:04,084 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:13:04,084 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:13:04,085 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:13:04,085 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:13:04,085 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:13:04,085 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:13:04,086 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:13:04,086 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:13:04,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:13:04,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:13:04,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:13:04,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:13:04,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:13:04,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:13:04,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:13:04,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:13:04,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:13:04,088 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:13:04,088 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:13:04,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:13:04,089 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:13:04,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:13:04,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:13:04,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:13:04,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:04,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:13:04,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:13:04,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:13:04,091 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:13:04,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:13:04,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:13:04,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:13:04,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:13:04,092 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_5b2b11b9-7bf1-4198-8976-d57e6524c297/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c [2021-11-20 23:13:04,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:13:04,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:13:04,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:13:04,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:13:04,391 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:13:04,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2021-11-20 23:13:04,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/data/bc26eff29/ad6e5311affa49f3abb8481640bf36dc/FLAGea9de2b0c [2021-11-20 23:13:05,180 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:13:05,181 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2021-11-20 23:13:05,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/data/bc26eff29/ad6e5311affa49f3abb8481640bf36dc/FLAGea9de2b0c [2021-11-20 23:13:05,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/data/bc26eff29/ad6e5311affa49f3abb8481640bf36dc [2021-11-20 23:13:05,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:13:05,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:13:05,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:05,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:13:05,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:13:05,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:05" (1/1) ... [2021-11-20 23:13:05,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdf4d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:05, skipping insertion in model container [2021-11-20 23:13:05,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:05" (1/1) ... [2021-11-20 23:13:05,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:13:05,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:13:05,920 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_5b2b11b9-7bf1-4198-8976-d57e6524c297/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[37019,37032] [2021-11-20 23:13:06,071 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_5b2b11b9-7bf1-4198-8976-d57e6524c297/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[47352,47365] [2021-11-20 23:13:06,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:06,088 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:13:06,146 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_5b2b11b9-7bf1-4198-8976-d57e6524c297/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[37019,37032] [2021-11-20 23:13:06,199 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_5b2b11b9-7bf1-4198-8976-d57e6524c297/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[47352,47365] [2021-11-20 23:13:06,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:06,257 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:13:06,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06 WrapperNode [2021-11-20 23:13:06,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:06,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:06,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:13:06,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:13:06,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,348 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-20 23:13:06,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:06,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:13:06,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:13:06,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:13:06,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:13:06,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:13:06,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:13:06,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:13:06,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (1/1) ... [2021-11-20 23:13:06,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:06,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:06,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:13:06,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:13:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:13:06,593 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:13:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:13:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:13:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:13:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:13:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:13:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:13:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:13:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:13:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:13:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:13:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:13:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:13:06,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:13:06,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:13:06,807 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:13:06,809 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:13:07,762 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:13:08,126 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:13:08,126 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-20 23:13:08,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:08 BoogieIcfgContainer [2021-11-20 23:13:08,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:13:08,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:13:08,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:13:08,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:13:08,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:13:05" (1/3) ... [2021-11-20 23:13:08,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5508830c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:13:08, skipping insertion in model container [2021-11-20 23:13:08,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:06" (2/3) ... [2021-11-20 23:13:08,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5508830c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:13:08, skipping insertion in model container [2021-11-20 23:13:08,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:13:08" (3/3) ... [2021-11-20 23:13:08,148 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-1.i [2021-11-20 23:13:08,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:13:08,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-20 23:13:08,205 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:13:08,212 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 [2021-11-20 23:13:08,212 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-20 23:13:08,232 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) [2021-11-20 23:13:08,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:13:08,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:08,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:13:08,237 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)] === [2021-11-20 23:13:08,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:08,242 INFO L85 PathProgramCache]: Analyzing trace with hash 22945886, now seen corresponding path program 1 times [2021-11-20 23:13:08,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:08,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129371663] [2021-11-20 23:13:08,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:08,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:08,374 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:08,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [609017411] [2021-11-20 23:13:08,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:08,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:08,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:08,382 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:08,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:13:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:13:08,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:13:08,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:08,612 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 [2021-11-20 23:13:08,698 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 [2021-11-20 23:13:08,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:13:08,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:13:08,710 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:08,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129371663] [2021-11-20 23:13:08,711 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:08,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609017411] [2021-11-20 23:13:08,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609017411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:13:08,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:13:08,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:13:08,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755354] [2021-11-20 23:13:08,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:13:08,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:13:08,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:13:08,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:13:08,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:13:08,766 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) [2021-11-20 23:13:10,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:13:12,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:13:12,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:12,503 INFO L93 Difference]: Finished difference Result 308 states and 522 transitions. [2021-11-20 23:13:12,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:13:12,524 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 [2021-11-20 23:13:12,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:12,534 INFO L225 Difference]: With dead ends: 308 [2021-11-20 23:13:12,535 INFO L226 Difference]: Without dead ends: 187 [2021-11-20 23:13:12,538 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 [2021-11-20 23:13:12,541 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 75 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 3.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:13:12,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 337 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-11-20 23:13:12,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-20 23:13:12,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-20 23:13:12,591 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) [2021-11-20 23:13:12,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-20 23:13:12,595 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-20 23:13:12,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:12,596 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-20 23:13:12,596 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) [2021-11-20 23:13:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-20 23:13:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-20 23:13:12,598 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:12,598 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] [2021-11-20 23:13:12,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:13:12,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:13:12,802 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)] === [2021-11-20 23:13:12,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:12,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1811846183, now seen corresponding path program 1 times [2021-11-20 23:13:12,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:12,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218237636] [2021-11-20 23:13:12,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:12,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:13:12,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:13:12,901 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:12,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218237636] [2021-11-20 23:13:12,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218237636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:13:12,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:13:12,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:13:12,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842612118] [2021-11-20 23:13:12,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:13:12,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:13:12,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:13:12,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:13:12,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:13:12,911 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) [2021-11-20 23:13:15,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:13:15,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:15,339 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-20 23:13:15,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:13:15,345 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 [2021-11-20 23:13:15,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:15,347 INFO L225 Difference]: With dead ends: 230 [2021-11-20 23:13:15,347 INFO L226 Difference]: Without dead ends: 174 [2021-11-20 23:13:15,348 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 [2021-11-20 23:13:15,350 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2021-11-20 23:13:15,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-20 23:13:15,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-20 23:13:15,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-20 23:13:15,389 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) [2021-11-20 23:13:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-20 23:13:15,391 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-20 23:13:15,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:15,391 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-20 23:13:15,391 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) [2021-11-20 23:13:15,392 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-20 23:13:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:13:15,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:15,393 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] [2021-11-20 23:13:15,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:13:15,397 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)] === [2021-11-20 23:13:15,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:15,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1081850416, now seen corresponding path program 1 times [2021-11-20 23:13:15,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:15,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796933584] [2021-11-20 23:13:15,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:15,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:15,419 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:15,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221788632] [2021-11-20 23:13:15,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:15,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:15,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:15,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:15,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:13:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:13:15,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:13:15,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:13:15,764 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:13:15,764 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:15,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796933584] [2021-11-20 23:13:15,764 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:15,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221788632] [2021-11-20 23:13:15,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221788632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:13:15,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:13:15,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:13:15,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206782521] [2021-11-20 23:13:15,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:13:15,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:13:15,767 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:13:15,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:13:15,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:13:15,768 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) [2021-11-20 23:13:17,576 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:13:17,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:17,935 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-20 23:13:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:13:17,944 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 [2021-11-20 23:13:17,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:17,946 INFO L225 Difference]: With dead ends: 288 [2021-11-20 23:13:17,946 INFO L226 Difference]: Without dead ends: 172 [2021-11-20 23:13:17,947 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 [2021-11-20 23:13:17,949 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:13:17,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-20 23:13:17,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-20 23:13:17,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-20 23:13:17,967 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) [2021-11-20 23:13:17,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-20 23:13:17,969 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-20 23:13:17,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:17,970 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-20 23:13:17,970 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) [2021-11-20 23:13:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-20 23:13:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 23:13:17,972 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:17,972 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] [2021-11-20 23:13:18,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:13:18,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:18,199 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)] === [2021-11-20 23:13:18,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:18,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1435534316, now seen corresponding path program 1 times [2021-11-20 23:13:18,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:18,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645017047] [2021-11-20 23:13:18,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:18,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:18,221 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:18,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1077559819] [2021-11-20 23:13:18,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:18,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:18,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:18,223 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:18,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:13:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:13:18,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:13:18,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:13:18,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:13:18,815 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:18,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645017047] [2021-11-20 23:13:18,815 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:18,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077559819] [2021-11-20 23:13:18,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077559819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:13:18,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:13:18,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:13:18,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64001329] [2021-11-20 23:13:18,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:13:18,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:13:18,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:13:18,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:13:18,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:13:18,818 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) [2021-11-20 23:13:20,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:13:20,337 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-20 23:13:20,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:13:20,346 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 [2021-11-20 23:13:20,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:13:20,348 INFO L225 Difference]: With dead ends: 320 [2021-11-20 23:13:20,348 INFO L226 Difference]: Without dead ends: 170 [2021-11-20 23:13:20,349 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 [2021-11-20 23:13:20,353 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 [2021-11-20 23:13:20,354 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] [2021-11-20 23:13:20,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-20 23:13:20,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-20 23:13:20,383 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) [2021-11-20 23:13:20,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-20 23:13:20,387 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-20 23:13:20,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:13:20,388 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-20 23:13:20,388 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) [2021-11-20 23:13:20,388 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-20 23:13:20,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 23:13:20,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:13:20,391 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] [2021-11-20 23:13:20,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:13:20,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:20,612 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)] === [2021-11-20 23:13:20,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:13:20,612 INFO L85 PathProgramCache]: Analyzing trace with hash -2090279668, now seen corresponding path program 1 times [2021-11-20 23:13:20,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:13:20,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676618044] [2021-11-20 23:13:20,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:20,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:13:20,625 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:13:20,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1440732203] [2021-11-20 23:13:20,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:13:20,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:13:20,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:20,633 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:13:20,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b2b11b9-7bf1-4198-8976-d57e6524c297/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:13:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:13:21,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 23:13:21,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:13:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:13:21,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:13:21,315 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:13:21,316 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:13:21,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676618044] [2021-11-20 23:13:21,316 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:13:21,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440732203] [2021-11-20 23:13:21,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440732203] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:13:21,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [613094355] [2021-11-20 23:13:21,337 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-20 23:13:21,337 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:13:21,342 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:13:21,348 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:13:21,348 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:13:21,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,460 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-20 23:13:21,461 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 [2021-11-20 23:13:21,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,486 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 [2021-11-20 23:13:21,509 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 [2021-11-20 23:13:21,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,550 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:13:21,551 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 [2021-11-20 23:13:21,605 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 [2021-11-20 23:13:21,727 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 [2021-11-20 23:13:21,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,794 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 23:13:21,794 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 [2021-11-20 23:13:21,832 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 [2021-11-20 23:13:21,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,855 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 [2021-11-20 23:13:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:21,899 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:21,899 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 [2021-11-20 23:13:22,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:22,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:22,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:22,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:22,109 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 [2021-11-20 23:13:22,143 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 [2021-11-20 23:13:22,202 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 [2021-11-20 23:13:23,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,530 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 [2021-11-20 23:13:23,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,552 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 [2021-11-20 23:13:23,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,607 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 [2021-11-20 23:13:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,676 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 [2021-11-20 23:13:23,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,759 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 [2021-11-20 23:13:23,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,802 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 [2021-11-20 23:13:23,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,839 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 [2021-11-20 23:13:23,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:23,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,005 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:13:24,005 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 [2021-11-20 23:13:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,086 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 [2021-11-20 23:13:24,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,170 INFO L354 Elim1Store]: treesize reduction 120, result has 14.9 percent of original size [2021-11-20 23:13:24,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:13:24,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,255 INFO L354 Elim1Store]: treesize reduction 224, result has 10.4 percent of original size [2021-11-20 23:13:24,256 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 [2021-11-20 23:13:24,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:24,373 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 [2021-11-20 23:13:24,882 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 [2021-11-20 23:13:24,890 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 [2021-11-20 23:13:24,897 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 [2021-11-20 23:13:24,951 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:13:24,952 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 [2021-11-20 23:13:24,977 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:13:24,978 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 [2021-11-20 23:13:25,003 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:13:25,003 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 [2021-11-20 23:13:25,116 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 [2021-11-20 23:13:25,124 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 [2021-11-20 23:13:25,132 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 [2021-11-20 23:13:25,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,200 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 [2021-11-20 23:13:25,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,241 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 [2021-11-20 23:13:25,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,283 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 [2021-11-20 23:13:25,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,604 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 [2021-11-20 23:13:25,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,679 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 [2021-11-20 23:13:25,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:25,753 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 [2021-11-20 23:13:33,739 WARN L227 SmtUtils]: Spent 7.89s 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) [2021-11-20 23:13:33,741 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:13:33,741 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 [2021-11-20 23:13:33,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:45,521 WARN L227 SmtUtils]: Spent 11.73s 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) [2021-11-20 23:13:45,522 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:13:45,522 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 [2021-11-20 23:13:58,574 WARN L227 SmtUtils]: Spent 12.94s 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) [2021-11-20 23:13:58,575 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-20 23:13:58,576 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 [2021-11-20 23:13:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:13:59,897 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:13:59,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 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 [2021-11-20 23:14:00,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:00,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:01,095 INFO L354 Elim1Store]: treesize reduction 204, result has 13.2 percent of original size [2021-11-20 23:14:01,096 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 [2021-11-20 23:14:02,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:02,803 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-20 23:14:02,803 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 [2021-11-20 23:14:03,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:03,837 INFO L354 Elim1Store]: treesize reduction 11, result has 56.0 percent of original size [2021-11-20 23:14:03,838 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 [2021-11-20 23:14:05,101 INFO L244 Elim1Store]: Index analysis took 262 ms [2021-11-20 23:14:07,950 INFO L354 Elim1Store]: treesize reduction 448, result has 75.9 percent of original size [2021-11-20 23:14:07,951 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 [2021-11-20 23:14:14,188 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 23:14:14,188 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 [2021-11-20 23:14:15,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:15,204 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 [2021-11-20 23:14:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:16,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:17,359 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-20 23:14:17,359 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 [2021-11-20 23:14:18,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:18,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:18,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:18,377 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 [2021-11-20 23:14:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:14:28,114 INFO L190 IndexEqualityManager]: detected not equals via solver