./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:22:24,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:22:24,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:22:24,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:22:24,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:22:24,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:22:24,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:22:24,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:22:24,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:22:24,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:22:24,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:22:24,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:22:25,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:22:25,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:22:25,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:22:25,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:22:25,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:22:25,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:22:25,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:22:25,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:22:25,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:22:25,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:22:25,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:22:25,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:22:25,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:22:25,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:22:25,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:22:25,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:22:25,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:22:25,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:22:25,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:22:25,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:22:25,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:22:25,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:22:25,052 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:22:25,052 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:22:25,053 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:22:25,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:22:25,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:22:25,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:22:25,055 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:22:25,056 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:22:25,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:22:25,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:22:25,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:22:25,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:22:25,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:22:25,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:22:25,114 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:22:25,114 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:22:25,114 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:22:25,114 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:22:25,115 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:22:25,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:22:25,116 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:22:25,116 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:22:25,116 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:22:25,116 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:22:25,117 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:22:25,117 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:22:25,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:22:25,118 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:22:25,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:22:25,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:22:25,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:22:25,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:22:25,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:22:25,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:22:25,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:22:25,120 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:22:25,120 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:22:25,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:22:25,120 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:22:25,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:22:25,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:22:25,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:22:25,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:22:25,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:22:25,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:22:25,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:22:25,122 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:22:25,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:22:25,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:22:25,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:22:25,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:22:25,125 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_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c [2021-11-23 02:22:25,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:22:25,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:22:25,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:22:25,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:22:25,408 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:22:25,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2021-11-23 02:22:25,471 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/data/adb58e4fc/65b01327a6924192911915f1a9c808e6/FLAG79a0ece5b [2021-11-23 02:22:26,124 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:22:26,125 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2021-11-23 02:22:26,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/data/adb58e4fc/65b01327a6924192911915f1a9c808e6/FLAG79a0ece5b [2021-11-23 02:22:26,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/data/adb58e4fc/65b01327a6924192911915f1a9c808e6 [2021-11-23 02:22:26,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:22:26,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:22:26,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:22:26,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:22:26,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:22:26,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:26" (1/1) ... [2021-11-23 02:22:26,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d5efac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:26, skipping insertion in model container [2021-11-23 02:22:26,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:26" (1/1) ... [2021-11-23 02:22:26,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:22:26,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:22:26,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[37019,37032] [2021-11-23 02:22:27,081 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_675d7983-ecfb-4a18-a2fc-3f5db1c73373/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[47352,47365] [2021-11-23 02:22:27,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:22:27,107 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:22:27,139 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_675d7983-ecfb-4a18-a2fc-3f5db1c73373/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[37019,37032] [2021-11-23 02:22:27,213 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_675d7983-ecfb-4a18-a2fc-3f5db1c73373/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i[47352,47365] [2021-11-23 02:22:27,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:22:27,274 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:22:27,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27 WrapperNode [2021-11-23 02:22:27,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:22:27,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:22:27,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:22:27,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:22:27,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,444 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-23 02:22:27,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:22:27,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:22:27,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:22:27,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:22:27,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:22:27,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:22:27,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:22:27,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:22:27,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (1/1) ... [2021-11-23 02:22:27,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:22:27,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:22:27,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:22:27,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:22:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:22:27,616 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:22:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:22:27,616 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:22:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:22:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:22:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:22:27,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:22:27,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:22:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:22:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:22:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:22:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:22:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:22:27,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:22:27,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:22:27,873 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:22:27,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:22:28,695 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:22:29,041 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:22:29,041 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-23 02:22:29,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:29 BoogieIcfgContainer [2021-11-23 02:22:29,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:22:29,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:22:29,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:22:29,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:22:29,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:22:26" (1/3) ... [2021-11-23 02:22:29,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f32546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:22:29, skipping insertion in model container [2021-11-23 02:22:29,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:27" (2/3) ... [2021-11-23 02:22:29,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f32546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:22:29, skipping insertion in model container [2021-11-23 02:22:29,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:29" (3/3) ... [2021-11-23 02:22:29,063 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-1.i [2021-11-23 02:22:29,070 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:22:29,070 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 02:22:29,140 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:22:29,149 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 [2021-11-23 02:22:29,149 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 02:22:29,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:22:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 02:22:29,175 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:22:29,176 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 02:22:29,177 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:22:29,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:22:29,182 INFO L85 PathProgramCache]: Analyzing trace with hash 22945886, now seen corresponding path program 1 times [2021-11-23 02:22:29,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:22:29,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509575475] [2021-11-23 02:22:29,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:22:29,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:22:29,340 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:22:29,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631413502] [2021-11-23 02:22:29,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:22:29,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:22:29,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:22:29,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:22:29,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:22:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:22:29,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:22:29,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:22:29,618 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 [2021-11-23 02:22:29,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-23 02:22:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:22:29,749 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:22:29,749 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:22:29,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509575475] [2021-11-23 02:22:29,750 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:22:29,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631413502] [2021-11-23 02:22:29,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631413502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:22:29,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:22:29,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:22:29,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863983293] [2021-11-23 02:22:29,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:22:29,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:22:29,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:22:29,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:22:29,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:22:29,808 INFO L87 Difference]: Start difference. First operand has 119 states, 100 states have (on average 1.82) internal successors, (182), 113 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:22:31,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:22:33,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:22:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:22:33,737 INFO L93 Difference]: Finished difference Result 308 states and 522 transitions. [2021-11-23 02:22:33,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:22:33,761 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 [2021-11-23 02:22:33,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:22:33,772 INFO L225 Difference]: With dead ends: 308 [2021-11-23 02:22:33,772 INFO L226 Difference]: Without dead ends: 187 [2021-11-23 02:22:33,775 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 [2021-11-23 02:22:33,780 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 75 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:22:33,781 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 337 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-23 02:22:33,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-23 02:22:33,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-23 02:22:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2718446601941749) internal successors, (131), 115 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:22:33,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-23 02:22:33,833 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-23 02:22:33,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:22:33,834 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-23 02:22:33,834 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) [2021-11-23 02:22:33,835 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-23 02:22:33,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:22:33,837 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:22:33,837 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:22:33,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:22:34,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:22:34,061 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:22:34,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:22:34,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1811846183, now seen corresponding path program 1 times [2021-11-23 02:22:34,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:22:34,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702257491] [2021-11-23 02:22:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:22:34,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:22:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:22:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:22:34,193 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:22:34,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702257491] [2021-11-23 02:22:34,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702257491] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:22:34,200 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:22:34,200 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:22:34,200 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822602799] [2021-11-23 02:22:34,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:22:34,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:22:34,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:22:34,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:22:34,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:22:34,203 INFO L87 Difference]: Start difference. First operand 121 states and 147 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:22:36,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:22:36,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:22:36,794 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-23 02:22:36,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:22:36,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-23 02:22:36,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:22:36,804 INFO L225 Difference]: With dead ends: 230 [2021-11-23 02:22:36,804 INFO L226 Difference]: Without dead ends: 174 [2021-11-23 02:22:36,805 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 [2021-11-23 02:22:36,807 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:22:36,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2021-11-23 02:22:36,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-23 02:22:36,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-23 02:22:36,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 115 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-23 02:22:36,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-23 02:22:36,826 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-23 02:22:36,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:22:36,826 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-23 02:22:36,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:22:36,827 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-23 02:22:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:22:36,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:22:36,828 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] [2021-11-23 02:22:36,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:22:36,828 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:22:36,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:22:36,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1081850416, now seen corresponding path program 1 times [2021-11-23 02:22:36,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:22:36,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692809327] [2021-11-23 02:22:36,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:22:36,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:22:36,870 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:22:36,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1347731830] [2021-11-23 02:22:36,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:22:36,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:22:36,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:22:36,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:22:36,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:22:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:22:37,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:22:37,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:22:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:22:37,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:22:37,280 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:22:37,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692809327] [2021-11-23 02:22:37,280 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:22:37,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347731830] [2021-11-23 02:22:37,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347731830] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:22:37,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:22:37,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:22:37,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199299787] [2021-11-23 02:22:37,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:22:37,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:22:37,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:22:37,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:22:37,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:22:37,289 INFO L87 Difference]: Start difference. First operand 121 states and 146 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:22:39,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:22:39,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:22:39,369 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-23 02:22:39,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:22:39,378 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 [2021-11-23 02:22:39,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:22:39,380 INFO L225 Difference]: With dead ends: 288 [2021-11-23 02:22:39,380 INFO L226 Difference]: Without dead ends: 172 [2021-11-23 02:22:39,381 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 [2021-11-23 02:22:39,383 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:22:39,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-23 02:22:39,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-23 02:22:39,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-23 02:22:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 145 states have (on average 1.2620689655172415) internal successors, (183), 162 states have internal predecessors, (183), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2021-11-23 02:22:39,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-23 02:22:39,406 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-23 02:22:39,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:22:39,406 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-23 02:22:39,406 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) [2021-11-23 02:22:39,407 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-23 02:22:39,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 02:22:39,408 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:22:39,408 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] [2021-11-23 02:22:39,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:22:39,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:22:39,629 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:22:39,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:22:39,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1435534316, now seen corresponding path program 1 times [2021-11-23 02:22:39,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:22:39,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767246797] [2021-11-23 02:22:39,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:22:39,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:22:39,655 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:22:39,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653449090] [2021-11-23 02:22:39,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:22:39,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:22:39,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:22:39,657 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:22:39,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:22:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:22:40,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:22:40,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:22:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:22:40,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:22:40,257 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:22:40,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767246797] [2021-11-23 02:22:40,258 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:22:40,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653449090] [2021-11-23 02:22:40,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653449090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:22:40,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:22:40,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:22:40,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990959241] [2021-11-23 02:22:40,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:22:40,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:22:40,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:22:40,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:22:40,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:22:40,261 INFO L87 Difference]: Start difference. First operand 168 states and 209 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:22:41,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:22:41,727 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-23 02:22:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:22:41,737 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 [2021-11-23 02:22:41,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:22:41,739 INFO L225 Difference]: With dead ends: 320 [2021-11-23 02:22:41,739 INFO L226 Difference]: Without dead ends: 170 [2021-11-23 02:22:41,740 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 [2021-11-23 02:22:41,741 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:22:41,741 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-23 02:22:41,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-23 02:22:41,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-23 02:22:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 146 states have (on average 1.2671232876712328) internal successors, (185), 164 states have internal predecessors, (185), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2021-11-23 02:22:41,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-23 02:22:41,761 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-23 02:22:41,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:22:41,761 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-23 02:22:41,761 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) [2021-11-23 02:22:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-23 02:22:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 02:22:41,763 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:22:41,763 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] [2021-11-23 02:22:41,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:22:41,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:22:41,973 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-11-23 02:22:41,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:22:41,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2090279668, now seen corresponding path program 1 times [2021-11-23 02:22:41,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:22:41,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190254297] [2021-11-23 02:22:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:22:41,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:22:41,992 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:22:41,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1860304310] [2021-11-23 02:22:41,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:22:41,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:22:41,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:22:41,994 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:22:41,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675d7983-ecfb-4a18-a2fc-3f5db1c73373/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:22:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:22:42,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 02:22:42,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:22:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:22:42,496 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:22:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:22:42,651 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:22:42,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190254297] [2021-11-23 02:22:42,651 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:22:42,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860304310] [2021-11-23 02:22:42,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860304310] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:22:42,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [119210614] [2021-11-23 02:22:42,672 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 02:22:42,672 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:22:42,676 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:22:42,681 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:22:42,681 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:22:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:42,782 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 02:22:42,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2021-11-23 02:22:42,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:42,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2021-11-23 02:22:42,808 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 [2021-11-23 02:22:42,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:42,843 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:22:42,843 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 [2021-11-23 02:22:42,859 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 [2021-11-23 02:22:42,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 02:22:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:42,956 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:22:42,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-23 02:22:42,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-23 02:22:42,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:42,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2021-11-23 02:22:43,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2021-11-23 02:22:43,066 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 19 treesize of output 1 [2021-11-23 02:22:43,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2021-11-23 02:22:43,104 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 19 treesize of output 1 [2021-11-23 02:22:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 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 [2021-11-23 02:22:43,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 14 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 [2021-11-23 02:22:43,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-23 02:22:43,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 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 [2021-11-23 02:22:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 23 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 [2021-11-23 02:22:43,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-23 02:22:43,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 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 [2021-11-23 02:22:43,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 18 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 [2021-11-23 02:22:43,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-23 02:22:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,791 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:22:43,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 127 treesize of output 138 [2021-11-23 02:22:43,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,867 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 02:22:43,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 10 case distinctions, treesize of input 126 treesize of output 132 [2021-11-23 02:22:43,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:43,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 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 [2021-11-23 02:22:44,033 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 [2021-11-23 02:22:44,038 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 [2021-11-23 02:22:44,042 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 [2021-11-23 02:22:44,095 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:22:44,095 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 [2021-11-23 02:22:44,122 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:22:44,122 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 [2021-11-23 02:22:44,146 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:22:44,146 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 [2021-11-23 02:22:44,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 02:22:44,194 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 [2021-11-23 02:22:44,201 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 [2021-11-23 02:22:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:22:44,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 56 treesize of output 22 [2021-11-23 02:22:44,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-23 02:22:44,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 56 treesize of output 22 [2021-11-23 02:22:44,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 30 [2021-11-23 02:22:44,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:22:44,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 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 [2021-11-23 02:22:50,962 WARN L227 SmtUtils]: Spent 6.34s 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) [2021-11-23 02:22:50,963 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:22:50,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2851 treesize of output 2328 [2021-11-23 02:22:51,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:00,989 WARN L227 SmtUtils]: Spent 9.98s 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) [2021-11-23 02:23:00,989 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:23:00,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2952 treesize of output 2670 [2021-11-23 02:23:12,849 WARN L227 SmtUtils]: Spent 11.74s on a formula simplification. DAG size of input: 252 DAG size of output: 143 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-23 02:23:12,851 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 02:23:12,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2856 treesize of output 2686 [2021-11-23 02:23:13,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:13,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:14,398 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:23:14,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 25954 treesize of output 25968 [2021-11-23 02:23:14,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:14,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:15,384 INFO L354 Elim1Store]: treesize reduction 172, result has 15.3 percent of original size [2021-11-23 02:23:15,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 25953 treesize of output 25968 [2021-11-23 02:23:16,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:16,232 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:23:16,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 30 [2021-11-23 02:23:16,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:16,682 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:23:16,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 63 [2021-11-23 02:23:16,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:16,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:16,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:16,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:16,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:16,969 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-23 02:23:17,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:23:17,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:17,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:17,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:17,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:17,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:17,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:17,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:17,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:17,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:17,742 INFO L244 Elim1Store]: Index analysis took 234 ms [2021-11-23 02:23:17,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-23 02:23:17,997 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:18,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:18,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:18,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,178 INFO L244 Elim1Store]: Index analysis took 181 ms [2021-11-23 02:23:18,322 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:23:18,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 2156 treesize of output 1758 [2021-11-23 02:23:18,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,529 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:23:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:18,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2156 treesize of output 1706 [2021-11-23 02:23:19,012 INFO L244 Elim1Store]: Index analysis took 295 ms [2021-11-23 02:23:21,381 INFO L354 Elim1Store]: treesize reduction 488, result has 73.7 percent of original size [2021-11-23 02:23:21,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 2167 treesize of output 3081 [2021-11-23 02:23:23,602 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:23:24,402 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:23:24,545 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:23:25,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:25,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-11-23 02:23:25,381 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:23:25,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:25,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-23 02:23:25,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:25,714 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-11-23 02:23:25,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:26,497 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-23 02:23:26,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 75 treesize of output 87 [2021-11-23 02:23:26,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:26,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:26,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:26,666 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 47 [2021-11-23 02:23:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:28,650 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-23 02:23:28,651 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 82536 treesize of output 82550 [2021-11-23 02:23:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:23:38,643 INFO L190 IndexEqualityManager]: detected not equals via solver