./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.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_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/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_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/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_81fb4045-ef50-458a-9803-b1c7114af30c/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 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:43:05,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:43:05,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:43:05,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:43:05,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:43:05,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:43:05,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:43:05,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:43:05,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:43:05,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:43:05,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:43:05,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:43:05,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:43:05,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:43:05,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:43:05,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:43:05,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:43:05,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:43:05,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:43:05,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:43:05,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:43:05,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:43:05,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:43:05,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:43:05,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:43:05,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:43:05,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:43:05,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:43:05,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:43:05,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:43:05,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:43:05,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:43:05,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:43:05,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:43:05,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:43:05,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:43:05,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:43:05,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:43:05,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:43:05,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:43:05,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:43:05,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-20 23:43:05,574 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:43:05,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:43:05,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:43:05,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:43:05,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:43:05,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:43:05,577 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:43:05,578 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:43:05,578 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:43:05,578 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:43:05,579 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:43:05,580 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:43:05,580 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:43:05,580 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:43:05,580 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:43:05,581 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:43:05,581 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:43:05,581 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:43:05,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:43:05,583 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 23:43:05,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:43:05,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:43:05,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 23:43:05,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:43:05,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:43:05,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:43:05,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:43:05,587 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-20 23:43:05,587 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 23:43:05,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:43:05,587 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:43:05,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:43:05,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:43:05,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:43:05,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:43:05,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:43:05,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:43:05,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:43:05,590 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:43:05,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:43:05,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:43:05,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:43:05,591 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:43:05,591 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_81fb4045-ef50-458a-9803-b1c7114af30c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a24617e0b83f023304780397185eef703cdbd26842fbad821fea93a0f1f12f [2021-11-20 23:43:05,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:43:05,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:43:05,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:43:05,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:43:05,920 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:43:05,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2021-11-20 23:43:05,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/data/b550de606/5fb1b7c8a13f40649008257ce6179f9e/FLAG109930e5d [2021-11-20 23:43:06,844 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:43:06,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i [2021-11-20 23:43:06,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/data/b550de606/5fb1b7c8a13f40649008257ce6179f9e/FLAG109930e5d [2021-11-20 23:43:06,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/data/b550de606/5fb1b7c8a13f40649008257ce6179f9e [2021-11-20 23:43:06,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:43:07,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:43:07,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:43:07,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:43:07,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:43:07,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:43:06" (1/1) ... [2021-11-20 23:43:07,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2adc820f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07, skipping insertion in model container [2021-11-20 23:43:07,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:43:06" (1/1) ... [2021-11-20 23:43:07,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:43:07,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:43:07,589 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_81fb4045-ef50-458a-9803-b1c7114af30c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2021-11-20 23:43:07,780 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_81fb4045-ef50-458a-9803-b1c7114af30c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2021-11-20 23:43:07,781 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_81fb4045-ef50-458a-9803-b1c7114af30c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2021-11-20 23:43:07,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:43:07,813 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:43:07,853 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_81fb4045-ef50-458a-9803-b1c7114af30c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[33021,33034] [2021-11-20 23:43:07,923 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_81fb4045-ef50-458a-9803-b1c7114af30c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44124,44137] [2021-11-20 23:43:07,924 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_81fb4045-ef50-458a-9803-b1c7114af30c/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test7-2.i[44245,44258] [2021-11-20 23:43:07,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:43:07,989 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:43:07,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07 WrapperNode [2021-11-20 23:43:07,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:43:07,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:43:07,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:43:07,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:43:08,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,120 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-20 23:43:08,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:43:08,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:43:08,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:43:08,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:43:08,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:43:08,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:43:08,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:43:08,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:43:08,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (1/1) ... [2021-11-20 23:43:08,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:43:08,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:43:08,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:43:08,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:43:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:43:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:43:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 23:43:08,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 23:43:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:43:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:43:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:43:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:43:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 23:43:08,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:43:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:43:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:43:08,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:43:08,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:43:08,799 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:43:08,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:43:10,076 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:43:10,600 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:43:10,601 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-20 23:43:10,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:43:10 BoogieIcfgContainer [2021-11-20 23:43:10,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:43:10,608 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:43:10,608 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:43:10,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:43:10,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:43:06" (1/3) ... [2021-11-20 23:43:10,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738a6486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:43:10, skipping insertion in model container [2021-11-20 23:43:10,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:43:07" (2/3) ... [2021-11-20 23:43:10,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738a6486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:43:10, skipping insertion in model container [2021-11-20 23:43:10,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:43:10" (3/3) ... [2021-11-20 23:43:10,621 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test7-2.i [2021-11-20 23:43:10,633 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:43:10,634 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-20 23:43:10,709 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:43:10,722 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 23:43:10,722 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-20 23:43:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:43:10,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-20 23:43:10,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:43:10,764 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-20 23:43:10,764 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:43:10,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:43:10,777 INFO L85 PathProgramCache]: Analyzing trace with hash 28375133, now seen corresponding path program 1 times [2021-11-20 23:43:10,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:43:10,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857664113] [2021-11-20 23:43:10,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:10,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:43:10,968 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:43:10,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289373341] [2021-11-20 23:43:10,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:10,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:43:10,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:43:10,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:43:10,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:43:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:43:11,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 23:43:11,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:43:11,317 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 23:43:11,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-20 23:43:11,432 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 25 treesize of output 17 [2021-11-20 23:43:11,450 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 23:43:11,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:43:11,451 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:43:11,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857664113] [2021-11-20 23:43:11,451 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:43:11,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289373341] [2021-11-20 23:43:11,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289373341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:43:11,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:43:11,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:43:11,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185595620] [2021-11-20 23:43:11,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:43:11,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:43:11,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:43:11,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:43:11,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:43:11,506 INFO L87 Difference]: Start difference. First operand has 130 states, 119 states have (on average 1.815126050420168) internal successors, (216), 125 states have internal predecessors, (216), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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 23:43:14,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:43:14,176 INFO L93 Difference]: Finished difference Result 316 states and 552 transitions. [2021-11-20 23:43:14,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:43:14,197 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 23:43:14,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:43:14,207 INFO L225 Difference]: With dead ends: 316 [2021-11-20 23:43:14,207 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:43:14,211 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 23:43:14,215 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 61 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:43:14,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-20 23:43:14,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:43:14,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 117. [2021-11-20 23:43:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 112 states have internal predecessors, (130), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:43:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 136 transitions. [2021-11-20 23:43:14,271 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 136 transitions. Word has length 4 [2021-11-20 23:43:14,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:43:14,272 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 136 transitions. [2021-11-20 23:43:14,272 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 23:43:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 136 transitions. [2021-11-20 23:43:14,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-20 23:43:14,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:43:14,275 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] [2021-11-20 23:43:14,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 23:43:14,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-20 23:43:14,495 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:43:14,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:43:14,496 INFO L85 PathProgramCache]: Analyzing trace with hash 637186690, now seen corresponding path program 1 times [2021-11-20 23:43:14,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:43:14,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913127478] [2021-11-20 23:43:14,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:14,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:43:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:43:14,655 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 23:43:14,655 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:43:14,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913127478] [2021-11-20 23:43:14,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913127478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:43:14,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:43:14,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:43:14,656 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202562129] [2021-11-20 23:43:14,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:43:14,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:43:14,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:43:14,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:43:14,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:43:14,659 INFO L87 Difference]: Start difference. First operand 117 states and 136 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 23:43:16,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:43:16,231 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2021-11-20 23:43:16,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:43:16,241 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-11-20 23:43:16,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:43:16,243 INFO L225 Difference]: With dead ends: 211 [2021-11-20 23:43:16,243 INFO L226 Difference]: Without dead ends: 159 [2021-11-20 23:43:16,244 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 23:43:16,246 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-20 23:43:16,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 300 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-20 23:43:16,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-20 23:43:16,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 117. [2021-11-20 23:43:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.205607476635514) internal successors, (129), 112 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:43:16,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2021-11-20 23:43:16,262 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 25 [2021-11-20 23:43:16,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:43:16,262 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2021-11-20 23:43:16,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 23:43:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2021-11-20 23:43:16,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-20 23:43:16,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:43:16,265 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 23:43:16,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:43:16,265 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:43:16,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:43:16,266 INFO L85 PathProgramCache]: Analyzing trace with hash -401054575, now seen corresponding path program 1 times [2021-11-20 23:43:16,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:43:16,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917641487] [2021-11-20 23:43:16,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:16,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:43:16,293 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:43:16,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [768250030] [2021-11-20 23:43:16,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:16,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:43:16,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:43:16,306 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:43:16,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 23:43:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:43:16,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 23:43:16,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:43:16,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 23:43:16,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:43:16,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:43:16,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917641487] [2021-11-20 23:43:16,786 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:43:16,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768250030] [2021-11-20 23:43:16,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768250030] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:43:16,786 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:43:16,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 23:43:16,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79389486] [2021-11-20 23:43:16,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:43:16,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:43:16,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:43:16,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:43:16,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:43:16,791 INFO L87 Difference]: Start difference. First operand 117 states and 135 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 23:43:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:43:18,899 INFO L93 Difference]: Finished difference Result 277 states and 319 transitions. [2021-11-20 23:43:18,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:43:18,913 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 23:43:18,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:43:18,915 INFO L225 Difference]: With dead ends: 277 [2021-11-20 23:43:18,915 INFO L226 Difference]: Without dead ends: 165 [2021-11-20 23:43:18,916 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 23:43:18,918 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 46 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:43:18,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 218 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-20 23:43:18,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-20 23:43:18,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-11-20 23:43:18,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 152 states have (on average 1.1842105263157894) internal successors, (180), 157 states have internal predecessors, (180), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-20 23:43:18,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 186 transitions. [2021-11-20 23:43:18,936 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 186 transitions. Word has length 28 [2021-11-20 23:43:18,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:43:18,937 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 186 transitions. [2021-11-20 23:43:18,937 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 23:43:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 186 transitions. [2021-11-20 23:43:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 23:43:18,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:43:18,939 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 23:43:18,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 23:43:19,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:43:19,144 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:43:19,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:43:19,145 INFO L85 PathProgramCache]: Analyzing trace with hash -886306081, now seen corresponding path program 1 times [2021-11-20 23:43:19,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:43:19,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705297816] [2021-11-20 23:43:19,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:19,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:43:19,172 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:43:19,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1037727382] [2021-11-20 23:43:19,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:19,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:43:19,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:43:19,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:43:19,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 23:43:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:43:19,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:43:19,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:43:19,972 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 23:43:19,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 23:43:19,973 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:43:19,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705297816] [2021-11-20 23:43:19,974 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:43:19,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037727382] [2021-11-20 23:43:19,974 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037727382] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:43:19,974 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:43:19,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 23:43:19,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942274936] [2021-11-20 23:43:19,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:43:19,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 23:43:19,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:43:19,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 23:43:19,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 23:43:19,978 INFO L87 Difference]: Start difference. First operand 162 states and 186 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 23:43:21,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:43:21,208 INFO L93 Difference]: Finished difference Result 308 states and 358 transitions. [2021-11-20 23:43:21,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 23:43:21,219 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 23:43:21,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:43:21,223 INFO L225 Difference]: With dead ends: 308 [2021-11-20 23:43:21,223 INFO L226 Difference]: Without dead ends: 164 [2021-11-20 23:43:21,224 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 23:43:21,226 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-20 23:43:21,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 335 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-20 23:43:21,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-11-20 23:43:21,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-11-20 23:43:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 153 states have (on average 1.1895424836601307) internal successors, (182), 159 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-20 23:43:21,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 189 transitions. [2021-11-20 23:43:21,260 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 189 transitions. Word has length 41 [2021-11-20 23:43:21,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:43:21,261 INFO L470 AbstractCegarLoop]: Abstraction has 164 states and 189 transitions. [2021-11-20 23:43:21,261 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 23:43:21,262 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 189 transitions. [2021-11-20 23:43:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-20 23:43:21,272 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:43:21,272 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 23:43:21,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-20 23:43:21,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:43:21,486 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-20 23:43:21,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:43:21,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1426734659, now seen corresponding path program 1 times [2021-11-20 23:43:21,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:43:21,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659998843] [2021-11-20 23:43:21,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:21,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:43:21,510 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 23:43:21,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672020385] [2021-11-20 23:43:21,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:43:21,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:43:21,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:43:21,513 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:43:21,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81fb4045-ef50-458a-9803-b1c7114af30c/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 23:43:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:43:22,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 23:43:22,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:43:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 23:43:22,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 23:43:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 23:43:22,501 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:43:22,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659998843] [2021-11-20 23:43:22,502 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 23:43:22,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672020385] [2021-11-20 23:43:22,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672020385] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 23:43:22,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [238463847] [2021-11-20 23:43:22,537 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-20 23:43:22,537 INFO L166 IcfgInterpreter]: Building call graph [2021-11-20 23:43:22,542 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-20 23:43:22,550 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-20 23:43:22,551 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-20 23:43:22,672 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 23:43:22,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:22,683 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 23:43:22,703 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 23:43:22,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:22,729 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-20 23:43:22,730 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 23:43:22,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:22,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:22,793 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-20 23:43:22,795 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 23:43:22,950 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 23:43:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:22,985 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-20 23:43:22,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 42 [2021-11-20 23:43:23,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:23,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:23,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:23,105 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-20 23:43:23,106 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 23:43:23,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 23:43:23,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:23,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:23,205 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:43:23,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 30 [2021-11-20 23:43:23,443 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 23:43:23,468 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 23:43:23,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:23,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:23,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:23,496 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 23:43:25,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,093 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 23:43:25,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,120 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 23:43:25,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,192 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 23:43:25,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,239 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 23:43:25,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,418 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 23:43:25,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,505 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 23:43:25,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,590 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 23:43:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,689 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 23:43:25,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,746 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 23:43:25,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,877 INFO L354 Elim1Store]: treesize reduction 128, result has 14.1 percent of original size [2021-11-20 23:43:25,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 127 treesize of output 138 [2021-11-20 23:43:25,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:25,998 INFO L354 Elim1Store]: treesize reduction 232, result has 10.1 percent of original size [2021-11-20 23:43:25,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 126 treesize of output 132 [2021-11-20 23:43:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:26,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 14 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 77 [2021-11-20 23:43:26,781 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 23:43:26,788 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 23:43:26,797 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 23:43:26,866 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-20 23:43:26,867 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 23:43:26,899 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:43:26,900 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 23:43:26,934 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-20 23:43:26,935 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 23:43:27,068 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 23:43:27,082 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 23:43:27,092 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 23:43:27,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,180 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 23:43:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,210 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 23:43:27,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,357 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 23:43:27,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,730 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 23:43:27,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,798 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 23:43:27,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:27,861 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 23:43:35,694 WARN L227 SmtUtils]: Spent 7.64s 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 23:43:35,695 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-20 23:43:35,696 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 23:43:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:44,845 WARN L227 SmtUtils]: Spent 9.10s 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 23:43:44,846 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-20 23:43:44,847 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 23:43:56,720 WARN L227 SmtUtils]: Spent 11.68s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-20 23:43:56,721 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-20 23:43:56,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2916 treesize of output 2686 [2021-11-20 23:43:57,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:57,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:59,025 INFO L354 Elim1Store]: treesize reduction 188, result has 20.0 percent of original size [2021-11-20 23:43:59,026 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 25954 treesize of output 25985 [2021-11-20 23:43:59,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:43:59,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:00,441 INFO L354 Elim1Store]: treesize reduction 126, result has 17.1 percent of original size [2021-11-20 23:44:00,442 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 25964 treesize of output 25978 [2021-11-20 23:44:02,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:02,883 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-20 23:44:02,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 32 [2021-11-20 23:44:03,262 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:03,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:04,054 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-20 23:44:04,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-20 23:44:04,664 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:04,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:04,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:04,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:04,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:05,638 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:44:05,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1210 treesize of output 1926 [2021-11-20 23:44:07,304 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:07,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:07,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:07,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:07,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1133 treesize of output 769 [2021-11-20 23:44:07,882 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:08,963 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:09,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:09,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:09,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:09,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:09,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1201 treesize of output 769 [2021-11-20 23:44:09,812 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:10,653 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:10,862 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:10,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:10,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:10,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:10,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:11,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:11,069 INFO L244 Elim1Store]: Index analysis took 209 ms [2021-11-20 23:44:11,081 INFO L354 Elim1Store]: treesize reduction 217, result has 0.5 percent of original size [2021-11-20 23:44:11,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1210 treesize of output 772 [2021-11-20 23:44:11,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:11,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:11,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1133 treesize of output 769 [2021-11-20 23:44:11,953 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:12,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:12,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:12,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:12,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:12,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:12,960 INFO L244 Elim1Store]: Index analysis took 138 ms [2021-11-20 23:44:12,961 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 1222 treesize of output 772 [2021-11-20 23:44:14,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:14,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:14,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:14,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:14,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:14,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:14,294 INFO L244 Elim1Store]: Index analysis took 122 ms [2021-11-20 23:44:14,312 INFO L354 Elim1Store]: treesize reduction 70, result has 1.4 percent of original size [2021-11-20 23:44:14,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 1222 treesize of output 772 [2021-11-20 23:44:15,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:15,892 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:15,921 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:15,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:15,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:16,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:16,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:16,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:16,064 INFO L244 Elim1Store]: Index analysis took 188 ms [2021-11-20 23:44:16,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 1231 treesize of output 775 [2021-11-20 23:44:16,640 INFO L244 Elim1Store]: Index analysis took 191 ms [2021-11-20 23:44:18,317 INFO L354 Elim1Store]: treesize reduction 981, result has 47.3 percent of original size [2021-11-20 23:44:18,318 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 1231 treesize of output 1654 [2021-11-20 23:44:20,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:21,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:21,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:21,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:21,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:21,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:21,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:21,132 INFO L244 Elim1Store]: Index analysis took 148 ms [2021-11-20 23:44:21,149 INFO L354 Elim1Store]: treesize reduction 189, result has 0.5 percent of original size [2021-11-20 23:44:21,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 1154 treesize of output 772 [2021-11-20 23:44:22,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:22,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:22,774 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:22,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:22,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:22,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:22,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:22,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:22,897 INFO L244 Elim1Store]: Index analysis took 146 ms [2021-11-20 23:44:22,899 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 1222 treesize of output 772 [2021-11-20 23:44:28,644 INFO L354 Elim1Store]: treesize reduction 16, result has 61.0 percent of original size [2021-11-20 23:44:28,645 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 13501 treesize of output 13509 [2021-11-20 23:44:30,088 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:30,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:30,357 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-20 23:44:30,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 21 treesize of output 11 [2021-11-20 23:44:30,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:30,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:30,806 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-20 23:44:30,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 14 [2021-11-20 23:44:31,719 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:44:32,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:32,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:44:32,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:44:32,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-20 23:44:41,290 INFO L190 IndexEqualityManager]: detected not equals via solver