./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_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_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/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_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/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_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/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 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:04:02,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:04:02,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:04:02,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:04:02,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:04:02,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:04:02,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:04:02,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:04:02,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:04:02,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:04:02,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:04:02,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:04:02,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:04:02,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:04:02,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:04:02,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:04:02,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:04:02,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:04:02,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:04:02,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:04:02,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:04:02,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:04:02,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:04:02,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:04:02,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:04:02,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:04:02,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:04:02,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:04:02,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:04:02,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:04:02,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:04:02,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:04:02,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:04:02,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:04:02,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:04:02,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:04:02,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:04:02,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:04:02,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:04:02,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:04:02,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:04:02,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-23 02:04:02,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:04:02,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:04:02,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:04:02,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:04:02,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:04:02,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:04:02,947 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:04:02,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:04:02,947 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:04:02,948 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:04:02,949 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:04:02,949 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:04:02,949 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:04:02,949 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:04:02,950 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:04:02,950 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:04:02,950 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:04:02,950 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:04:02,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:04:02,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:04:02,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:04:02,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:04:02,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:04:02,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:04:02,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:04:02,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:04:02,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:04:02,954 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:04:02,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:04:02,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:04:02,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:04:02,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:04:02,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:04:02,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:04:02,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:04:02,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:04:02,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:04:02,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:04:02,957 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:04:02,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:04:02,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:04:02,957 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:04:02,958 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:04:02,960 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_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eb0e4c4138981b5d0263d433279609e9b809291f20fa6c19565d53ef342ae2b [2021-11-23 02:04:03,290 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:04:03,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:04:03,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:04:03,325 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:04:03,326 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:04:03,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-23 02:04:03,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/data/6dc85a430/d9b1987199c74f9cac2df1c5c5fa88a8/FLAGd30de6f23 [2021-11-23 02:04:04,036 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:04:04,036 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i [2021-11-23 02:04:04,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/data/6dc85a430/d9b1987199c74f9cac2df1c5c5fa88a8/FLAGd30de6f23 [2021-11-23 02:04:04,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/data/6dc85a430/d9b1987199c74f9cac2df1c5c5fa88a8 [2021-11-23 02:04:04,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:04:04,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:04:04,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:04:04,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:04:04,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:04:04,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:04" (1/1) ... [2021-11-23 02:04:04,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4025aca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:04, skipping insertion in model container [2021-11-23 02:04:04,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:04:04" (1/1) ... [2021-11-23 02:04:04,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:04:04,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:04:04,790 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_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-23 02:04:04,883 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_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-23 02:04:04,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:04:04,899 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:04:04,937 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_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[37019,37032] [2021-11-23 02:04:04,994 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_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test2-1.i[47352,47365] [2021-11-23 02:04:04,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:04:05,044 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:04:05,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05 WrapperNode [2021-11-23 02:04:05,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:04:05,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:04:05,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:04:05,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:04:05,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,142 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-23 02:04:05,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:04:05,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:04:05,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:04:05,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:04:05,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:04:05,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:04:05,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:04:05,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:04:05,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (1/1) ... [2021-11-23 02:04:05,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:04:05,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:04:05,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:04:05,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:04:05,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:04:05,414 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:04:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:04:05,414 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 02:04:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:04:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:04:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:04:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 02:04:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 02:04:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:04:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:04:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:04:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:04:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:04:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:04:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:04:05,627 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:04:05,629 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:04:06,656 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:04:07,046 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:04:07,046 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-23 02:04:07,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:07 BoogieIcfgContainer [2021-11-23 02:04:07,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:04:07,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:04:07,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:04:07,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:04:07,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:04:04" (1/3) ... [2021-11-23 02:04:07,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b98de86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:04:07, skipping insertion in model container [2021-11-23 02:04:07,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:04:05" (2/3) ... [2021-11-23 02:04:07,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b98de86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:04:07, skipping insertion in model container [2021-11-23 02:04:07,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:04:07" (3/3) ... [2021-11-23 02:04:07,063 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test2-1.i [2021-11-23 02:04:07,069 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:04:07,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-23 02:04:07,131 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:04:07,147 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 02:04:07,147 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-23 02:04:07,173 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 02:04:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 02:04:07,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:04:07,178 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 02:04:07,178 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 02:04:07,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:04:07,189 INFO L85 PathProgramCache]: Analyzing trace with hash 22945886, now seen corresponding path program 1 times [2021-11-23 02:04:07,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:04:07,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526309547] [2021-11-23 02:04:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:07,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:04:07,360 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:04:07,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [754484748] [2021-11-23 02:04:07,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:07,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:04:07,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:04:07,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:04:07,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:04:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:04:07,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:04:07,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:04:07,655 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 02:04:07,774 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 02:04:07,786 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 02:04:07,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:04:07,786 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:04:07,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526309547] [2021-11-23 02:04:07,787 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:04:07,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [754484748] [2021-11-23 02:04:07,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [754484748] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:04:07,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:04:07,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:04:07,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366517597] [2021-11-23 02:04:07,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:04:07,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:04:07,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:04:07,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:04:07,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:04:07,842 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 02:04:09,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:04:11,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:04:11,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:04:11,991 INFO L93 Difference]: Finished difference Result 308 states and 522 transitions. [2021-11-23 02:04:12,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:04:12,021 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 02:04:12,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:04:12,033 INFO L225 Difference]: With dead ends: 308 [2021-11-23 02:04:12,033 INFO L226 Difference]: Without dead ends: 187 [2021-11-23 02:04:12,037 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 02:04:12,041 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 75 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:04:12,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 337 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-11-23 02:04:12,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-11-23 02:04:12,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 121. [2021-11-23 02:04:12,095 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 02:04:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 147 transitions. [2021-11-23 02:04:12,099 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 147 transitions. Word has length 4 [2021-11-23 02:04:12,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:04:12,100 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 147 transitions. [2021-11-23 02:04:12,100 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 02:04:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 147 transitions. [2021-11-23 02:04:12,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 02:04:12,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:04:12,103 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 02:04:12,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:04:12,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-23 02:04:12,328 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 02:04:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:04:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1811846183, now seen corresponding path program 1 times [2021-11-23 02:04:12,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:04:12,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90689436] [2021-11-23 02:04:12,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:12,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:04:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:04:12,417 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 02:04:12,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:04:12,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90689436] [2021-11-23 02:04:12,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90689436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:04:12,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:04:12,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:04:12,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670112523] [2021-11-23 02:04:12,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:04:12,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:04:12,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:04:12,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:04:12,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:04:12,421 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 02:04:15,007 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 02:04:15,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:04:15,138 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2021-11-23 02:04:15,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:04:15,142 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 02:04:15,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:04:15,145 INFO L225 Difference]: With dead ends: 230 [2021-11-23 02:04:15,145 INFO L226 Difference]: Without dead ends: 174 [2021-11-23 02:04:15,146 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 02:04:15,148 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 61 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 2.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:04:15,148 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 343 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-11-23 02:04:15,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2021-11-23 02:04:15,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 121. [2021-11-23 02:04:15,162 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 02:04:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 146 transitions. [2021-11-23 02:04:15,164 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 146 transitions. Word has length 20 [2021-11-23 02:04:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:04:15,165 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 146 transitions. [2021-11-23 02:04:15,165 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 02:04:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 146 transitions. [2021-11-23 02:04:15,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 02:04:15,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:04:15,167 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 02:04:15,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:04:15,168 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 02:04:15,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:04:15,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1081850416, now seen corresponding path program 1 times [2021-11-23 02:04:15,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:04:15,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49488463] [2021-11-23 02:04:15,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:15,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:04:15,190 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:04:15,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416033856] [2021-11-23 02:04:15,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:15,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:04:15,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:04:15,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:04:15,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:04:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:04:15,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 02:04:15,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:04:15,549 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 02:04:15,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:04:15,550 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:04:15,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49488463] [2021-11-23 02:04:15,550 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:04:15,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416033856] [2021-11-23 02:04:15,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416033856] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:04:15,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:04:15,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:04:15,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449025276] [2021-11-23 02:04:15,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:04:15,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:04:15,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:04:15,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:04:15,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:04:15,556 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 02:04:17,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-23 02:04:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:04:17,891 INFO L93 Difference]: Finished difference Result 288 states and 352 transitions. [2021-11-23 02:04:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:04:17,900 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 02:04:17,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:04:17,902 INFO L225 Difference]: With dead ends: 288 [2021-11-23 02:04:17,903 INFO L226 Difference]: Without dead ends: 172 [2021-11-23 02:04:17,904 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 02:04:17,905 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 49 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:04:17,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 256 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-23 02:04:17,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-11-23 02:04:17,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2021-11-23 02:04:17,934 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 02:04:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 209 transitions. [2021-11-23 02:04:17,936 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 209 transitions. Word has length 28 [2021-11-23 02:04:17,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:04:17,937 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 209 transitions. [2021-11-23 02:04:17,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:04:17,938 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2021-11-23 02:04:17,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 02:04:17,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:04:17,939 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:04:17,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:04:18,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:04:18,148 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 02:04:18,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:04:18,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1435534316, now seen corresponding path program 1 times [2021-11-23 02:04:18,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:04:18,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638373250] [2021-11-23 02:04:18,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:18,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:04:18,174 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:04:18,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [192108485] [2021-11-23 02:04:18,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:18,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:04:18,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:04:18,177 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:04:18,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:04:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:04:18,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 02:04:18,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:04:18,882 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 02:04:18,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:04:18,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:04:18,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638373250] [2021-11-23 02:04:18,883 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:04:18,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192108485] [2021-11-23 02:04:18,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192108485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:04:18,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:04:18,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:04:18,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884027626] [2021-11-23 02:04:18,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:04:18,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:04:18,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:04:18,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:04:18,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:04:18,886 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 02:04:20,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:04:20,613 INFO L93 Difference]: Finished difference Result 320 states and 404 transitions. [2021-11-23 02:04:20,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:04:20,624 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 02:04:20,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:04:20,626 INFO L225 Difference]: With dead ends: 320 [2021-11-23 02:04:20,626 INFO L226 Difference]: Without dead ends: 170 [2021-11-23 02:04:20,628 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 02:04:20,629 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 1 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:04:20,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 374 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-23 02:04:20,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-23 02:04:20,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2021-11-23 02:04:20,647 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 02:04:20,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 212 transitions. [2021-11-23 02:04:20,650 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 212 transitions. Word has length 41 [2021-11-23 02:04:20,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:04:20,650 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 212 transitions. [2021-11-23 02:04:20,651 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 02:04:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2021-11-23 02:04:20,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 02:04:20,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:04:20,653 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 02:04:20,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:04:20,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:04:20,880 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 02:04:20,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:04:20,881 INFO L85 PathProgramCache]: Analyzing trace with hash -2090279668, now seen corresponding path program 1 times [2021-11-23 02:04:20,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:04:20,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166665217] [2021-11-23 02:04:20,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:20,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:04:20,901 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-23 02:04:20,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1143298680] [2021-11-23 02:04:20,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:04:20,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:04:20,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:04:20,903 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:04:20,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_387b2b85-a9c4-4d83-89c9-e8b8e977eda3/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:04:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:04:21,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 02:04:21,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:04:21,429 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 02:04:21,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:04:21,598 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 02:04:21,598 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:04:21,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166665217] [2021-11-23 02:04:21,598 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-23 02:04:21,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143298680] [2021-11-23 02:04:21,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143298680] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:04:21,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1062555664] [2021-11-23 02:04:21,619 INFO L159 IcfgInterpreter]: Started Sifa with 39 locations of interest [2021-11-23 02:04:21,619 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:04:21,624 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:04:21,630 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:04:21,630 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:04:21,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:21,726 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-23 02:04:21,727 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 02:04:21,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:21,743 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 02:04:21,755 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 02:04:21,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:21,806 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 02:04:21,806 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 02:04:21,819 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 02:04:21,874 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 02:04:21,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:21,926 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 02:04:21,927 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 02:04:21,940 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 02:04:21,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:21,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:21,957 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 02:04:21,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:21,977 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 02:04:22,058 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 02:04:22,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,081 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 02:04:22,102 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 02:04:22,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,481 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 02:04:22,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,506 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 02:04:22,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,536 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 02:04:22,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,563 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 02:04:22,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,669 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 02:04:22,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,692 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 02:04:22,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,710 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 02:04:22,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,776 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 02:04:22,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,809 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 02:04:22,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,880 INFO L354 Elim1Store]: treesize reduction 104, result has 16.8 percent of original size [2021-11-23 02:04:22,881 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 02:04:22,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,959 INFO L354 Elim1Store]: treesize reduction 200, result has 11.5 percent of original size [2021-11-23 02:04:22,960 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 02:04:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:22,998 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 02:04:23,111 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 02:04:23,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 02:04:23,121 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 02:04:23,176 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:04:23,176 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 02:04:23,205 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-23 02:04:23,206 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 02:04:23,233 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-23 02:04:23,234 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 02:04:23,275 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 02:04:23,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-23 02:04:23,288 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 02:04:23,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,345 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 02:04:23,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,372 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 02:04:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,393 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 02:04:23,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,559 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 02:04:23,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,577 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 02:04:23,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:23,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 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 02:04:30,705 WARN L227 SmtUtils]: Spent 6.98s 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 02:04:30,706 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-23 02:04:30,707 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 02:04:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:42,053 WARN L227 SmtUtils]: Spent 11.30s 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 02:04:42,054 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-23 02:04:42,055 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 02:04:54,900 WARN L227 SmtUtils]: Spent 12.69s 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 02:04:54,901 INFO L354 Elim1Store]: treesize reduction 2662, result has 30.3 percent of original size [2021-11-23 02:04:54,903 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 02:04:55,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:56,458 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-23 02:04:56,459 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 02:04:56,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:56,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:57,365 INFO L354 Elim1Store]: treesize reduction 172, result has 15.3 percent of original size [2021-11-23 02:04:57,366 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 02:04:58,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:58,167 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-23 02:04:58,167 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 02:04:58,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:58,646 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:04:58,647 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 02:04:58,876 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:04:58,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:58,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:04:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:58,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:04:58,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:58,927 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:04:58,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:58,942 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 02:04:59,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:04:59,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:04:59,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:59,497 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:04:59,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:59,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:04:59,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:59,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:59,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:59,630 INFO L244 Elim1Store]: Index analysis took 182 ms [2021-11-23 02:04:59,632 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 02:04:59,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:04:59,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:59,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:04:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:04:59,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:05:00,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:00,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:00,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:00,068 INFO L244 Elim1Store]: Index analysis took 203 ms [2021-11-23 02:05:00,259 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 02:05:00,259 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 02:05:00,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:05:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:00,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:05:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:00,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 02:05:00,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:00,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:00,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:00,546 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 02:05:01,042 INFO L244 Elim1Store]: Index analysis took 348 ms [2021-11-23 02:05:03,631 INFO L354 Elim1Store]: treesize reduction 488, result has 73.7 percent of original size [2021-11-23 02:05:03,632 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 02:05:05,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:05:06,747 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:05:06,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:05:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:07,786 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 02:05:07,841 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 02:05:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:07,992 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 02:05:08,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:08,228 INFO L244 Elim1Store]: Index analysis took 127 ms [2021-11-23 02:05:08,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:09,133 INFO L354 Elim1Store]: treesize reduction 18, result has 66.0 percent of original size [2021-11-23 02:05:09,134 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 02:05:09,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:09,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:09,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:09,344 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 02:05:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:10,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:11,492 INFO L354 Elim1Store]: treesize reduction 28, result has 67.1 percent of original size [2021-11-23 02:05:11,493 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 02:05:21,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 02:05:21,451 INFO L190 IndexEqualityManager]: detected not equals via solver