./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:27:19,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:27:19,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:27:19,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:27:19,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:27:19,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:27:19,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:27:19,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:27:19,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:27:19,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:27:19,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:27:19,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:27:19,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:27:19,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:27:19,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:27:19,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:27:19,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:27:19,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:27:20,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:27:20,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:27:20,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:27:20,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:27:20,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:27:20,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:27:20,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:27:20,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:27:20,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:27:20,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:27:20,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:27:20,030 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:27:20,031 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:27:20,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:27:20,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:27:20,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:27:20,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:27:20,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:27:20,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:27:20,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:27:20,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:27:20,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:27:20,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:27:20,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-21 00:27:20,094 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:27:20,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:27:20,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:27:20,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:27:20,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:27:20,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:27:20,103 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:27:20,103 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:27:20,104 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:27:20,104 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:27:20,105 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:27:20,105 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:27:20,105 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:27:20,106 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:27:20,106 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:27:20,106 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:27:20,106 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:27:20,107 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:27:20,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:27:20,108 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:27:20,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:27:20,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:27:20,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:27:20,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:27:20,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:27:20,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:27:20,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:27:20,112 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 00:27:20,112 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:27:20,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:27:20,112 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:27:20,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:27:20,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:27:20,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:27:20,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:27:20,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:27:20,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:27:20,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:27:20,115 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:27:20,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:27:20,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:27:20,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:27:20,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:27:20,116 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_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e [2021-11-21 00:27:20,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:27:20,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:27:20,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:27:20,461 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:27:20,462 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:27:20,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2021-11-21 00:27:20,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/data/b9e5db742/a32663d870694e69bbc7107737b764ff/FLAG989cccc75 [2021-11-21 00:27:21,253 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:27:21,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2021-11-21 00:27:21,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/data/b9e5db742/a32663d870694e69bbc7107737b764ff/FLAG989cccc75 [2021-11-21 00:27:21,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/data/b9e5db742/a32663d870694e69bbc7107737b764ff [2021-11-21 00:27:21,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:27:21,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:27:21,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:27:21,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:27:21,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:27:21,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:27:21" (1/1) ... [2021-11-21 00:27:21,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10fa73da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:21, skipping insertion in model container [2021-11-21 00:27:21,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:27:21" (1/1) ... [2021-11-21 00:27:21,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:27:21,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:27:21,954 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_24f6557c-6054-4fce-8c53-45d1eb8b47f1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i[33021,33034] [2021-11-21 00:27:22,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:27:22,081 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:27:22,109 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_24f6557c-6054-4fce-8c53-45d1eb8b47f1/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i[33021,33034] [2021-11-21 00:27:22,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:27:22,235 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:27:22,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22 WrapperNode [2021-11-21 00:27:22,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:27:22,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:27:22,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:27:22,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:27:22,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,390 INFO L137 Inliner]: procedures = 177, calls = 448, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1451 [2021-11-21 00:27:22,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:27:22,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:27:22,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:27:22,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:27:22,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:27:22,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:27:22,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:27:22,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:27:22,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (1/1) ... [2021-11-21 00:27:22,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:27:22,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:27:22,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:27:22,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:27:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:27:22,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 00:27:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 00:27:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:27:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:27:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:27:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:27:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:27:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:27:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:27:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:27:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:27:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:27:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:27:22,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:27:23,051 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:27:23,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:27:24,476 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:27:25,049 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:27:25,049 INFO L301 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-21 00:27:25,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:27:25 BoogieIcfgContainer [2021-11-21 00:27:25,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:27:25,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:27:25,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:27:25,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:27:25,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:27:21" (1/3) ... [2021-11-21 00:27:25,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56eb45a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:27:25, skipping insertion in model container [2021-11-21 00:27:25,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:27:22" (2/3) ... [2021-11-21 00:27:25,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56eb45a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:27:25, skipping insertion in model container [2021-11-21 00:27:25,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:27:25" (3/3) ... [2021-11-21 00:27:25,068 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test4-3.i [2021-11-21 00:27:25,075 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:27:25,075 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-21 00:27:25,160 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:27:25,175 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:27:25,175 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-21 00:27:25,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 136 states have (on average 1.8088235294117647) internal successors, (246), 152 states have internal predecessors, (246), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:27:25,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 00:27:25,204 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:27:25,205 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-21 00:27:25,205 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:27:25,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:27:25,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1114569, now seen corresponding path program 1 times [2021-11-21 00:27:25,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:27:25,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047721142] [2021-11-21 00:27:25,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:25,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:27:25,335 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:27:25,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [777563866] [2021-11-21 00:27:25,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:25,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:25,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:27:25,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:27:25,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:27:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:27:25,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:27:25,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:27:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:27:25,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:27:25,610 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:27:25,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047721142] [2021-11-21 00:27:25,610 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:27:25,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777563866] [2021-11-21 00:27:25,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [777563866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:27:25,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:27:25,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 00:27:25,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893262556] [2021-11-21 00:27:25,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:27:25,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:27:25,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:27:25,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:27:25,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:27:25,649 INFO L87 Difference]: Start difference. First operand has 161 states, 136 states have (on average 1.8088235294117647) internal successors, (246), 152 states have internal predecessors, (246), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:27:29,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:27:29,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:27:29,622 INFO L93 Difference]: Finished difference Result 420 states and 734 transitions. [2021-11-21 00:27:29,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:27:29,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-21 00:27:29,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:27:29,639 INFO L225 Difference]: With dead ends: 420 [2021-11-21 00:27:29,639 INFO L226 Difference]: Without dead ends: 233 [2021-11-21 00:27:29,643 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:27:29,646 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 102 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:27:29,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 357 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-11-21 00:27:29,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-21 00:27:29,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 135. [2021-11-21 00:27:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 126 states have internal predecessors, (139), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-21 00:27:29,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 171 transitions. [2021-11-21 00:27:29,705 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 171 transitions. Word has length 3 [2021-11-21 00:27:29,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:27:29,706 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 171 transitions. [2021-11-21 00:27:29,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:27:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2021-11-21 00:27:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 00:27:29,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:27:29,710 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:27:29,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:27:29,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:29,931 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:27:29,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:27:29,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1598010711, now seen corresponding path program 1 times [2021-11-21 00:27:29,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:27:29,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753298610] [2021-11-21 00:27:29,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:29,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:27:29,963 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:27:29,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133025340] [2021-11-21 00:27:29,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:29,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:29,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:27:29,965 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:27:29,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:27:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:27:30,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:27:30,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:27:30,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:27:30,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:27:30,487 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:27:30,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753298610] [2021-11-21 00:27:30,488 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:27:30,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133025340] [2021-11-21 00:27:30,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133025340] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:27:30,489 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:27:30,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:27:30,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262670487] [2021-11-21 00:27:30,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:27:30,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:27:30,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:27:30,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:27:30,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:27:30,493 INFO L87 Difference]: Start difference. First operand 135 states and 171 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:27:33,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:27:33,661 INFO L93 Difference]: Finished difference Result 233 states and 285 transitions. [2021-11-21 00:27:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:27:33,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 48 [2021-11-21 00:27:33,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:27:33,670 INFO L225 Difference]: With dead ends: 233 [2021-11-21 00:27:33,670 INFO L226 Difference]: Without dead ends: 232 [2021-11-21 00:27:33,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:27:33,672 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 59 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:27:33,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 463 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-11-21 00:27:33,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-21 00:27:33,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2021-11-21 00:27:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 201 states have (on average 1.1840796019900497) internal successors, (238), 215 states have internal predecessors, (238), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:27:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 282 transitions. [2021-11-21 00:27:33,712 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 282 transitions. Word has length 48 [2021-11-21 00:27:33,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:27:33,713 INFO L470 AbstractCegarLoop]: Abstraction has 230 states and 282 transitions. [2021-11-21 00:27:33,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:27:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 282 transitions. [2021-11-21 00:27:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 00:27:33,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:27:33,716 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:27:33,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-21 00:27:33,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:33,938 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:27:33,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:27:33,939 INFO L85 PathProgramCache]: Analyzing trace with hash -2001274746, now seen corresponding path program 1 times [2021-11-21 00:27:33,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:27:33,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049772801] [2021-11-21 00:27:33,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:33,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:27:33,986 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:27:33,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1791473392] [2021-11-21 00:27:33,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:33,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:33,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:27:34,002 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:27:34,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:27:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:27:34,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-21 00:27:34,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:27:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:27:34,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:27:34,420 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:27:34,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049772801] [2021-11-21 00:27:34,421 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:27:34,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791473392] [2021-11-21 00:27:34,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791473392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:27:34,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:27:34,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:27:34,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115681328] [2021-11-21 00:27:34,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:27:34,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:27:34,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:27:34,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:27:34,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:27:34,426 INFO L87 Difference]: Start difference. First operand 230 states and 282 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:27:36,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:27:36,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:27:36,816 INFO L93 Difference]: Finished difference Result 230 states and 282 transitions. [2021-11-21 00:27:36,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:27:36,820 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2021-11-21 00:27:36,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:27:36,822 INFO L225 Difference]: With dead ends: 230 [2021-11-21 00:27:36,822 INFO L226 Difference]: Without dead ends: 229 [2021-11-21 00:27:36,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:27:36,824 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:27:36,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 304 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-21 00:27:36,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2021-11-21 00:27:36,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2021-11-21 00:27:36,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 201 states have (on average 1.1791044776119404) internal successors, (237), 214 states have internal predecessors, (237), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:27:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2021-11-21 00:27:36,848 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 49 [2021-11-21 00:27:36,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:27:36,849 INFO L470 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2021-11-21 00:27:36,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:27:36,850 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2021-11-21 00:27:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 00:27:36,852 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:27:36,852 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:27:36,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:27:37,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:37,066 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:27:37,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:27:37,067 INFO L85 PathProgramCache]: Analyzing trace with hash 920356912, now seen corresponding path program 1 times [2021-11-21 00:27:37,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:27:37,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087573852] [2021-11-21 00:27:37,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:37,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:27:37,088 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:27:37,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1845718183] [2021-11-21 00:27:37,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:37,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:37,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:27:37,090 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:27:37,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:27:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:27:37,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:27:37,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:27:37,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:27:37,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:27:37,658 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:27:37,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087573852] [2021-11-21 00:27:37,659 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:27:37,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845718183] [2021-11-21 00:27:37,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845718183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:27:37,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:27:37,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:27:37,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893143587] [2021-11-21 00:27:37,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:27:37,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:27:37,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:27:37,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:27:37,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:27:37,667 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:27:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:27:39,821 INFO L93 Difference]: Finished difference Result 384 states and 476 transitions. [2021-11-21 00:27:39,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:27:39,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 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 51 [2021-11-21 00:27:39,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:27:39,827 INFO L225 Difference]: With dead ends: 384 [2021-11-21 00:27:39,827 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 00:27:39,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:27:39,830 INFO L933 BasicCegarLoop]: 152 mSDtfsCounter, 38 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:27:39,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 289 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2021-11-21 00:27:39,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 00:27:39,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 00:27:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 199 states have (on average 1.1758793969849246) internal successors, (234), 212 states have internal predecessors, (234), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:27:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions. [2021-11-21 00:27:39,852 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 51 [2021-11-21 00:27:39,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:27:39,853 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 278 transitions. [2021-11-21 00:27:39,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 00:27:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions. [2021-11-21 00:27:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 00:27:39,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:27:39,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:27:39,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-21 00:27:40,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:40,070 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:27:40,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:27:40,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1681483749, now seen corresponding path program 1 times [2021-11-21 00:27:40,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:27:40,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946226719] [2021-11-21 00:27:40,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:40,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:27:40,098 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:27:40,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954277299] [2021-11-21 00:27:40,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:40,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:40,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:27:40,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:27:40,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:27:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:27:40,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:27:40,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:27:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 00:27:40,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:27:40,566 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:27:40,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946226719] [2021-11-21 00:27:40,566 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:27:40,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954277299] [2021-11-21 00:27:40,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954277299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:27:40,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:27:40,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:27:40,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885210115] [2021-11-21 00:27:40,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:27:40,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:27:40,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:27:40,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:27:40,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:27:40,569 INFO L87 Difference]: Start difference. First operand 227 states and 278 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:27:42,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:27:42,145 INFO L93 Difference]: Finished difference Result 426 states and 524 transitions. [2021-11-21 00:27:42,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:27:42,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 64 [2021-11-21 00:27:42,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:27:42,156 INFO L225 Difference]: With dead ends: 426 [2021-11-21 00:27:42,156 INFO L226 Difference]: Without dead ends: 225 [2021-11-21 00:27:42,157 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:27:42,158 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:27:42,158 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 286 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-21 00:27:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-11-21 00:27:42,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-11-21 00:27:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 13 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-21 00:27:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 275 transitions. [2021-11-21 00:27:42,180 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 275 transitions. Word has length 64 [2021-11-21 00:27:42,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:27:42,180 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 275 transitions. [2021-11-21 00:27:42,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-21 00:27:42,181 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 275 transitions. [2021-11-21 00:27:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 00:27:42,184 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:27:42,184 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:27:42,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:27:42,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:42,409 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:27:42,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:27:42,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1167209906, now seen corresponding path program 1 times [2021-11-21 00:27:42,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:27:42,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509900944] [2021-11-21 00:27:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:42,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:27:42,444 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:27:42,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554316196] [2021-11-21 00:27:42,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:42,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:42,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:27:42,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:27:42,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:27:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:27:43,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 00:27:43,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:27:43,219 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 00:27:43,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:27:43,219 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:27:43,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509900944] [2021-11-21 00:27:43,220 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:27:43,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554316196] [2021-11-21 00:27:43,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554316196] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:27:43,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:27:43,220 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:27:43,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359265737] [2021-11-21 00:27:43,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:27:43,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:27:43,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:27:43,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:27:43,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:27:43,223 INFO L87 Difference]: Start difference. First operand 225 states and 275 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:27:47,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-21 00:27:47,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:27:47,564 INFO L93 Difference]: Finished difference Result 432 states and 542 transitions. [2021-11-21 00:27:47,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:27:47,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 77 [2021-11-21 00:27:47,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:27:47,588 INFO L225 Difference]: With dead ends: 432 [2021-11-21 00:27:47,588 INFO L226 Difference]: Without dead ends: 227 [2021-11-21 00:27:47,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:27:47,589 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:27:47,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 434 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 00:27:47,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-11-21 00:27:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-11-21 00:27:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 198 states have (on average 1.1767676767676767) internal successors, (233), 212 states have internal predecessors, (233), 22 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (26), 13 states have call predecessors, (26), 22 states have call successors, (26) [2021-11-21 00:27:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 281 transitions. [2021-11-21 00:27:47,615 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 281 transitions. Word has length 77 [2021-11-21 00:27:47,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:27:47,616 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 281 transitions. [2021-11-21 00:27:47,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-21 00:27:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 281 transitions. [2021-11-21 00:27:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 00:27:47,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:27:47,627 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:27:47,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 00:27:47,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-21 00:27:47,828 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-11-21 00:27:47,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:27:47,828 INFO L85 PathProgramCache]: Analyzing trace with hash -872916030, now seen corresponding path program 1 times [2021-11-21 00:27:47,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:27:47,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335770776] [2021-11-21 00:27:47,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:47,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:27:47,861 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-21 00:27:47,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894901642] [2021-11-21 00:27:47,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:27:47,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:27:47,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:27:47,862 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:27:47,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24f6557c-6054-4fce-8c53-45d1eb8b47f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 00:27:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:27:49,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 00:27:49,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:27:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 00:27:49,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:27:49,626 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 00:27:49,626 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:27:49,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335770776] [2021-11-21 00:27:49,626 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-21 00:27:49,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894901642] [2021-11-21 00:27:49,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894901642] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:27:49,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [964624506] [2021-11-21 00:27:49,650 INFO L159 IcfgInterpreter]: Started Sifa with 67 locations of interest [2021-11-21 00:27:49,650 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:27:49,654 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:27:49,659 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:27:49,660 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:27:50,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:27:50,106 INFO L354 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2021-11-21 00:27:50,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2021-11-21 00:27:50,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2021-11-21 00:27:50,183 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-21 00:27:50,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 32 [2021-11-21 00:27:50,242 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:27:50,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2021-11-21 00:27:50,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:50,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:50,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 00:27:50,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:27:50,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2021-11-21 00:27:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:27:51,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2021-11-21 00:27:51,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 70 treesize of output 67 [2021-11-21 00:27:51,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 00:27:51,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 88 [2021-11-21 00:27:51,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:51,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:27:52,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:27:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2021-11-21 00:27:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2021-11-21 00:27:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 105 [2021-11-21 00:27:52,322 INFO L354 Elim1Store]: treesize reduction 154, result has 24.9 percent of original size [2021-11-21 00:27:52,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 117 treesize of output 150 [2021-11-21 00:27:52,368 INFO L354 Elim1Store]: treesize reduction 94, result has 14.5 percent of original size [2021-11-21 00:27:52,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 135 treesize of output 143 [2021-11-21 00:27:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:52,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 69 [2021-11-21 00:27:53,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:27:53,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-21 00:27:53,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-21 00:27:53,088 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:27:53,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 88 [2021-11-21 00:27:53,116 INFO L354 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2021-11-21 00:27:53,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 91 [2021-11-21 00:27:53,143 INFO L354 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2021-11-21 00:27:53,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 94 [2021-11-21 00:27:53,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:27:53,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-21 00:27:53,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-21 00:27:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:27:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:27:53,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:27:53,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 26 [2021-11-21 00:27:53,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2021-11-21 00:27:53,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:27:53,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 21 [2021-11-21 00:28:03,079 WARN L227 SmtUtils]: Spent 9.01s on a formula simplification. DAG size of input: 66 DAG size of output: 32 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:28:03,080 INFO L354 Elim1Store]: treesize reduction 348, result has 15.7 percent of original size [2021-11-21 00:28:03,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2837 treesize of output 2314 [2021-11-21 00:28:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:28:16,631 WARN L227 SmtUtils]: Spent 13.52s on a formula simplification. DAG size of input: 90 DAG size of output: 46 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:28:16,631 INFO L354 Elim1Store]: treesize reduction 262, result has 32.6 percent of original size [2021-11-21 00:28:16,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2938 treesize of output 2656 [2021-11-21 00:28:28,479 WARN L227 SmtUtils]: Spent 11.67s on a formula simplification. DAG size of input: 251 DAG size of output: 142 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 00:28:28,480 INFO L354 Elim1Store]: treesize reduction 2750, result has 29.6 percent of original size [2021-11-21 00:28:28,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 2906 treesize of output 2676 [2021-11-21 00:28:29,382 INFO L354 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2021-11-21 00:28:29,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 25944 treesize of output 25955 [2021-11-21 00:28:30,399 INFO L354 Elim1Store]: treesize reduction 166, result has 13.5 percent of original size [2021-11-21 00:28:30,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 25943 treesize of output 25955 [2021-11-21 00:28:32,071 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:28:32,612 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:28:32,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:28:33,004 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-11-21 00:28:33,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 20 [2021-11-21 00:28:33,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:28:33,695 INFO L354 Elim1Store]: treesize reduction 15, result has 48.3 percent of original size [2021-11-21 00:28:33,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 46 [2021-11-21 00:28:39,260 INFO L354 Elim1Store]: treesize reduction 13562, result has 36.1 percent of original size [2021-11-21 00:28:39,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 28090 treesize of output 33366 [2021-11-21 00:28:39,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:28:43,035 INFO L354 Elim1Store]: treesize reduction 13426, result has 36.7 percent of original size [2021-11-21 00:28:43,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 34419 treesize of output 39803 [2021-11-21 00:28:43,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:28:45,815 INFO L354 Elim1Store]: treesize reduction 88, result has 95.2 percent of original size [2021-11-21 00:28:45,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 40856 treesize of output 41792 [2021-11-21 00:28:48,685 INFO L354 Elim1Store]: treesize reduction 96, result has 94.8 percent of original size [2021-11-21 00:28:48,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 41792 treesize of output 42748 [2021-11-21 00:29:21,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:21,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:21,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:21,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:21,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:21,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:21,805 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-21 00:29:21,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 6336 treesize of output 4484 [2021-11-21 00:29:32,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:32,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:32,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:32,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:32,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:32,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:32,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:32,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:32,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 2485 treesize of output 371 [2021-11-21 00:29:32,730 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:32,878 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:33,267 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:33,418 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:33,943 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:33,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:33,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:34,010 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:34,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:34,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:34,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:34,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:34,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:34,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:34,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:34,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:34,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:34,188 INFO L244 Elim1Store]: Index analysis took 248 ms [2021-11-21 00:29:34,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 2562 treesize of output 374 [2021-11-21 00:29:34,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:34,906 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:35,724 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:35,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:36,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:36,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:36,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4809 treesize of output 2621 [2021-11-21 00:29:36,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:36,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:36,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:36,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,867 INFO L244 Elim1Store]: Index analysis took 152 ms [2021-11-21 00:29:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:36,984 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:29:36,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 4817 treesize of output 2629 [2021-11-21 00:29:37,126 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:37,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:37,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:37,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,180 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:37,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4809 treesize of output 2621 [2021-11-21 00:29:37,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:37,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:37,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,785 INFO L244 Elim1Store]: Index analysis took 167 ms [2021-11-21 00:29:37,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:37,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:38,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:29:38,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 4809 treesize of output 2839 [2021-11-21 00:29:38,992 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:39,174 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:39,802 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:40,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:40,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:40,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:40,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:40,335 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:40,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:40,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:40,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:40,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:40,401 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-21 00:29:40,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4800 treesize of output 2618 [2021-11-21 00:29:40,873 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:41,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:41,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:41,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:41,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:41,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:41,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:41,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:41,271 INFO L244 Elim1Store]: Index analysis took 157 ms [2021-11-21 00:29:41,772 INFO L354 Elim1Store]: treesize reduction 4748, result has 27.0 percent of original size [2021-11-21 00:29:41,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 4809 treesize of output 4376 [2021-11-21 00:29:42,325 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:43,067 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:43,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:43,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:43,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:43,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:43,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:43,665 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-11-21 00:29:43,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 4800 treesize of output 2618 [2021-11-21 00:29:44,039 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:45,092 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:45,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:45,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:45,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:45,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:45,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:45,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:45,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:45,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:45,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:45,374 INFO L244 Elim1Store]: Index analysis took 283 ms [2021-11-21 00:29:45,385 INFO L354 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2021-11-21 00:29:45,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 00:29:45,936 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:46,115 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:46,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:47,720 INFO L244 Elim1Store]: Index analysis took 457 ms [2021-11-21 00:29:48,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:50,104 INFO L354 Elim1Store]: treesize reduction 4859, result has 45.9 percent of original size [2021-11-21 00:29:50,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 4838 treesize of output 6757 [2021-11-21 00:29:51,383 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:51,465 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:51,564 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:51,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:51,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:51,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:51,630 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:51,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:51,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:51,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:51,698 INFO L244 Elim1Store]: Index analysis took 136 ms [2021-11-21 00:29:51,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4830 treesize of output 2624 [2021-11-21 00:29:53,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:53,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:53,885 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:53,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:53,912 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:53,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:53,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:53,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:54,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:54,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:54,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:54,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:54,155 INFO L244 Elim1Store]: Index analysis took 308 ms [2021-11-21 00:29:54,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 00:29:54,867 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:55,085 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:55,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:55,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:55,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:55,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:55,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:55,924 INFO L244 Elim1Store]: Index analysis took 225 ms [2021-11-21 00:29:55,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 00:29:56,562 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:56,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:57,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:57,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:57,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,553 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:29:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:29:57,842 INFO L244 Elim1Store]: Index analysis took 403 ms [2021-11-21 00:29:57,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 4829 treesize of output 2629 [2021-11-21 00:29:58,680 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:29:58,892 WARN L234 Elim1Store]: Array PQE input equivalent to false