./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/packet_filter.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/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_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-data/packet_filter.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d604fdd8f7c4d34db0106d8a0ff422218ae80e9ee6eb03f691b84d2fcc8ad49f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:46:11,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:46:11,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:46:11,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:46:11,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:46:11,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:46:11,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:46:11,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:46:11,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:46:11,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:46:11,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:46:11,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:46:11,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:46:11,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:46:11,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:46:11,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:46:11,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:46:11,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:46:11,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:46:11,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:46:11,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:46:11,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:46:11,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:46:11,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:46:11,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:46:11,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:46:11,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:46:11,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:46:11,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:46:11,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:46:11,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:46:11,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:46:11,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:46:11,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:46:11,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:46:11,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:46:11,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:46:11,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:46:11,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:46:11,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:46:11,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:46:11,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-21 00:46:11,244 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:46:11,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:46:11,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:46:11,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:46:11,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:46:11,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:46:11,247 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:46:11,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:46:11,248 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:46:11,248 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:46:11,248 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:46:11,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:46:11,249 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:46:11,252 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:46:11,252 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:46:11,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:46:11,253 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:46:11,253 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:46:11,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:46:11,255 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:46:11,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:46:11,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:46:11,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:46:11,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:46:11,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:46:11,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:46:11,259 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:46:11,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:46:11,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:46:11,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:46:11,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:46:11,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:46:11,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:46:11,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:46:11,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:46:11,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:46:11,264 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:46:11,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:46:11,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:46:11,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:46:11,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:46:11,265 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_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d604fdd8f7c4d34db0106d8a0ff422218ae80e9ee6eb03f691b84d2fcc8ad49f [2021-11-21 00:46:11,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:46:11,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:46:11,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:46:11,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:46:11,663 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:46:11,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/heap-data/packet_filter.i [2021-11-21 00:46:11,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/data/7306974e3/67f297473fb9438194485b30e0947e74/FLAG63c7d6702 [2021-11-21 00:46:12,455 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:46:12,456 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/sv-benchmarks/c/heap-data/packet_filter.i [2021-11-21 00:46:12,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/data/7306974e3/67f297473fb9438194485b30e0947e74/FLAG63c7d6702 [2021-11-21 00:46:12,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/data/7306974e3/67f297473fb9438194485b30e0947e74 [2021-11-21 00:46:12,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:46:12,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:46:12,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:46:12,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:46:12,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:46:12,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:46:12" (1/1) ... [2021-11-21 00:46:12,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe2371e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:12, skipping insertion in model container [2021-11-21 00:46:12,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:46:12" (1/1) ... [2021-11-21 00:46:12,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:46:12,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:46:13,262 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_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2021-11-21 00:46:13,270 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_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2021-11-21 00:46:13,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:46:13,285 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:46:13,328 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_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2021-11-21 00:46:13,331 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_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2021-11-21 00:46:13,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:46:13,384 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:46:13,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13 WrapperNode [2021-11-21 00:46:13,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:46:13,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:46:13,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:46:13,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:46:13,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,489 INFO L137 Inliner]: procedures = 130, calls = 86, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 160 [2021-11-21 00:46:13,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:46:13,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:46:13,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:46:13,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:46:13,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:46:13,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:46:13,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:46:13,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:46:13,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (1/1) ... [2021-11-21 00:46:13,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:46:13,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:46:13,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:46:13,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:46:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:46:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:46:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:46:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:46:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_queue [2021-11-21 00:46:13,690 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_queue [2021-11-21 00:46:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:46:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:46:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:46:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_charp [2021-11-21 00:46:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure send [2021-11-21 00:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure send [2021-11-21 00:46:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:46:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:46:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:46:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:46:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:46:13,877 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:46:13,891 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:46:14,368 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:46:14,482 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:46:14,482 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 00:46:14,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:46:14 BoogieIcfgContainer [2021-11-21 00:46:14,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:46:14,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:46:14,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:46:14,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:46:14,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:46:12" (1/3) ... [2021-11-21 00:46:14,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fd514f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:46:14, skipping insertion in model container [2021-11-21 00:46:14,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:46:13" (2/3) ... [2021-11-21 00:46:14,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13fd514f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:46:14, skipping insertion in model container [2021-11-21 00:46:14,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:46:14" (3/3) ... [2021-11-21 00:46:14,502 INFO L111 eAbstractionObserver]: Analyzing ICFG packet_filter.i [2021-11-21 00:46:14,517 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:46:14,518 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-21 00:46:14,565 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:46:14,577 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 00:46:14,578 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-21 00:46:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 25 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-21 00:46:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 00:46:14,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:46:14,619 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-21 00:46:14,619 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:46:14,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:46:14,626 INFO L85 PathProgramCache]: Analyzing trace with hash 504382279, now seen corresponding path program 1 times [2021-11-21 00:46:14,637 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:46:14,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403237458] [2021-11-21 00:46:14,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:46:14,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:46:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:46:14,822 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 00:46:14,822 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:46:14,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403237458] [2021-11-21 00:46:14,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403237458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:46:14,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:46:14,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:46:14,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027354318] [2021-11-21 00:46:14,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:46:14,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-21 00:46:14,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:46:14,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-21 00:46:14,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:46:14,880 INFO L87 Difference]: Start difference. First operand has 33 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 25 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 00:46:14,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:46:14,988 INFO L93 Difference]: Finished difference Result 51 states and 66 transitions. [2021-11-21 00:46:14,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-21 00:46:14,991 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2021-11-21 00:46:14,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:46:15,000 INFO L225 Difference]: With dead ends: 51 [2021-11-21 00:46:15,001 INFO L226 Difference]: Without dead ends: 32 [2021-11-21 00:46:15,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-21 00:46:15,007 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:46:15,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:46:15,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-21 00:46:15,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-11-21 00:46:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-21 00:46:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions. [2021-11-21 00:46:15,053 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 6 [2021-11-21 00:46:15,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:46:15,053 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions. [2021-11-21 00:46:15,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 00:46:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2021-11-21 00:46:15,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 00:46:15,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:46:15,056 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:46:15,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:46:15,056 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:46:15,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:46:15,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1567125573, now seen corresponding path program 1 times [2021-11-21 00:46:15,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:46:15,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267949906] [2021-11-21 00:46:15,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:46:15,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:46:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:46:15,157 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 00:46:15,157 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:46:15,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267949906] [2021-11-21 00:46:15,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267949906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:46:15,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:46:15,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:46:15,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558386802] [2021-11-21 00:46:15,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:46:15,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:46:15,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:46:15,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:46:15,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:46:15,162 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 00:46:15,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:46:15,356 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2021-11-21 00:46:15,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:46:15,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2021-11-21 00:46:15,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:46:15,360 INFO L225 Difference]: With dead ends: 58 [2021-11-21 00:46:15,360 INFO L226 Difference]: Without dead ends: 42 [2021-11-21 00:46:15,361 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:46:15,363 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 19 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:46:15,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 78 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:46:15,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-11-21 00:46:15,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 36. [2021-11-21 00:46:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-21 00:46:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2021-11-21 00:46:15,376 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 7 [2021-11-21 00:46:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:46:15,376 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2021-11-21 00:46:15,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 00:46:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-21 00:46:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:46:15,378 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:46:15,378 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:46:15,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:46:15,379 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:46:15,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:46:15,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1336261225, now seen corresponding path program 1 times [2021-11-21 00:46:15,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:46:15,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218645108] [2021-11-21 00:46:15,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:46:15,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:46:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:46:15,453 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 00:46:15,453 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:46:15,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218645108] [2021-11-21 00:46:15,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218645108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:46:15,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:46:15,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:46:15,454 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074528483] [2021-11-21 00:46:15,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:46:15,455 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:46:15,455 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:46:15,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:46:15,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:46:15,456 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 00:46:15,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:46:15,621 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions. [2021-11-21 00:46:15,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:46:15,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-11-21 00:46:15,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:46:15,623 INFO L225 Difference]: With dead ends: 46 [2021-11-21 00:46:15,623 INFO L226 Difference]: Without dead ends: 34 [2021-11-21 00:46:15,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:46:15,625 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:46:15,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 84 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 00:46:15,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-21 00:46:15,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-11-21 00:46:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-21 00:46:15,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-11-21 00:46:15,634 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 8 [2021-11-21 00:46:15,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:46:15,634 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-11-21 00:46:15,634 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 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 00:46:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2021-11-21 00:46:15,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 00:46:15,635 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:46:15,635 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:46:15,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:46:15,636 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:46:15,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:46:15,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1327786257, now seen corresponding path program 1 times [2021-11-21 00:46:15,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:46:15,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464361504] [2021-11-21 00:46:15,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:46:15,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:46:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:46:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:46:15,898 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:46:15,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464361504] [2021-11-21 00:46:15,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464361504] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:46:15,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764026225] [2021-11-21 00:46:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:46:15,899 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:46:15,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:46:15,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:46:15,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:46:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:46:16,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 00:46:16,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:46:16,140 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-21 00:46:16,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 19 treesize of output 18 [2021-11-21 00:46:16,449 INFO L354 Elim1Store]: treesize reduction 92, result has 7.1 percent of original size [2021-11-21 00:46:16,453 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 1 case distinctions, treesize of input 95 treesize of output 102 [2021-11-21 00:46:16,527 INFO L354 Elim1Store]: treesize reduction 92, result has 7.1 percent of original size [2021-11-21 00:46:16,527 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 1 case distinctions, treesize of input 54 treesize of output 61 [2021-11-21 00:46:16,548 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-21 00:46:16,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 38 treesize of output 40 [2021-11-21 00:46:16,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-11-21 00:46:16,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-11-21 00:46:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:46:16,638 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:46:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:46:16,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764026225] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:46:16,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [369057201] [2021-11-21 00:46:16,998 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-21 00:46:16,998 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:46:17,003 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:46:17,009 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:46:17,010 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:46:17,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,109 INFO L354 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2021-11-21 00:46:17,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2021-11-21 00:46:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,217 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-21 00:46:17,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2021-11-21 00:46:17,652 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-21 00:46:17,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 281 treesize of output 280 [2021-11-21 00:46:17,844 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:17,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 244 treesize of output 254 [2021-11-21 00:46:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:18,135 INFO L354 Elim1Store]: treesize reduction 208, result has 17.1 percent of original size [2021-11-21 00:46:18,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 228 treesize of output 252 [2021-11-21 00:46:18,268 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:18,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 207 treesize of output 217 [2021-11-21 00:46:18,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:18,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:18,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:18,381 INFO L354 Elim1Store]: treesize reduction 134, result has 16.3 percent of original size [2021-11-21 00:46:18,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 190 treesize of output 203 [2021-11-21 00:46:19,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:19,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:19,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:19,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:19,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:19,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:19,433 INFO L354 Elim1Store]: treesize reduction 168, result has 17.2 percent of original size [2021-11-21 00:46:19,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 138 treesize of output 157 [2021-11-21 00:46:20,603 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-21 00:46:20,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 281 treesize of output 280 [2021-11-21 00:46:20,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:20,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:20,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:20,803 INFO L354 Elim1Store]: treesize reduction 134, result has 16.3 percent of original size [2021-11-21 00:46:20,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 268 treesize of output 281 [2021-11-21 00:46:20,901 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:20,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 245 treesize of output 255 [2021-11-21 00:46:20,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:20,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:20,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:20,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:21,045 INFO L354 Elim1Store]: treesize reduction 220, result has 12.4 percent of original size [2021-11-21 00:46:21,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 229 treesize of output 241 [2021-11-21 00:46:21,141 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:21,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 196 treesize of output 206 [2021-11-21 00:46:22,259 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:46:23,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [369057201] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:46:23,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:46:23,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4, 4, 4] total 11 [2021-11-21 00:46:23,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879775996] [2021-11-21 00:46:23,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:46:23,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-21 00:46:23,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:46:23,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-21 00:46:23,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:46:23,068 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 00:46:23,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:46:23,343 INFO L93 Difference]: Finished difference Result 62 states and 76 transitions. [2021-11-21 00:46:23,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:46:23,343 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 11 [2021-11-21 00:46:23,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:46:23,344 INFO L225 Difference]: With dead ends: 62 [2021-11-21 00:46:23,344 INFO L226 Difference]: Without dead ends: 46 [2021-11-21 00:46:23,345 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:46:23,346 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 7 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 33 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:46:23,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 91 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 33 Unchecked, 0.3s Time] [2021-11-21 00:46:23,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-21 00:46:23,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 40. [2021-11-21 00:46:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-21 00:46:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-11-21 00:46:23,358 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 11 [2021-11-21 00:46:23,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:46:23,358 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-11-21 00:46:23,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 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 00:46:23,358 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2021-11-21 00:46:23,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 00:46:23,359 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:46:23,359 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:46:23,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 00:46:23,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:46:23,574 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:46:23,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:46:23,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1788290275, now seen corresponding path program 1 times [2021-11-21 00:46:23,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:46:23,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346245978] [2021-11-21 00:46:23,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:46:23,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:46:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:46:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:46:23,669 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:46:23,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346245978] [2021-11-21 00:46:23,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346245978] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:46:23,670 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401021692] [2021-11-21 00:46:23,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:46:23,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:46:23,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:46:23,671 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:46:23,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:46:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:46:23,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 00:46:23,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:46:23,781 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-21 00:46:23,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2021-11-21 00:46:23,897 INFO L354 Elim1Store]: treesize reduction 92, result has 7.1 percent of original size [2021-11-21 00:46:23,899 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 1 case distinctions, treesize of input 91 treesize of output 98 [2021-11-21 00:46:23,938 INFO L354 Elim1Store]: treesize reduction 92, result has 7.1 percent of original size [2021-11-21 00:46:23,939 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 1 case distinctions, treesize of input 50 treesize of output 57 [2021-11-21 00:46:23,953 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-21 00:46:23,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2021-11-21 00:46:24,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-11-21 00:46:24,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-11-21 00:46:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:46:24,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:46:24,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:46:24,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401021692] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:46:24,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1661306389] [2021-11-21 00:46:24,386 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-21 00:46:24,386 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:46:24,386 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:46:24,387 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:46:24,387 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:46:24,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,452 INFO L354 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2021-11-21 00:46:24,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2021-11-21 00:46:24,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,533 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-21 00:46:24,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2021-11-21 00:46:24,848 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-21 00:46:24,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 281 treesize of output 280 [2021-11-21 00:46:24,958 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:24,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 244 treesize of output 254 [2021-11-21 00:46:24,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:25,197 INFO L354 Elim1Store]: treesize reduction 208, result has 17.1 percent of original size [2021-11-21 00:46:25,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 228 treesize of output 252 [2021-11-21 00:46:25,287 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:25,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 207 treesize of output 217 [2021-11-21 00:46:25,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:25,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:25,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:25,384 INFO L354 Elim1Store]: treesize reduction 134, result has 16.3 percent of original size [2021-11-21 00:46:25,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 190 treesize of output 203 [2021-11-21 00:46:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:26,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:26,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:26,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:26,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:26,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:26,261 INFO L354 Elim1Store]: treesize reduction 168, result has 17.2 percent of original size [2021-11-21 00:46:26,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 138 treesize of output 157 [2021-11-21 00:46:27,484 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-21 00:46:27,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 281 treesize of output 280 [2021-11-21 00:46:27,601 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:27,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 244 treesize of output 254 [2021-11-21 00:46:27,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:27,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:27,748 INFO L354 Elim1Store]: treesize reduction 134, result has 16.3 percent of original size [2021-11-21 00:46:27,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 227 treesize of output 240 [2021-11-21 00:46:27,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:27,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:27,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:27,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:27,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:27,917 INFO L354 Elim1Store]: treesize reduction 220, result has 12.4 percent of original size [2021-11-21 00:46:27,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 229 treesize of output 241 [2021-11-21 00:46:27,995 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:27,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 196 treesize of output 206 [2021-11-21 00:46:29,108 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:46:31,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1661306389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:46:31,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:46:31,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 4] total 11 [2021-11-21 00:46:31,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236915551] [2021-11-21 00:46:31,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:46:31,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:46:31,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:46:31,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:46:31,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:46:31,823 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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 00:46:32,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:46:32,106 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2021-11-21 00:46:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 00:46:32,106 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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 12 [2021-11-21 00:46:32,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:46:32,107 INFO L225 Difference]: With dead ends: 50 [2021-11-21 00:46:32,107 INFO L226 Difference]: Without dead ends: 38 [2021-11-21 00:46:32,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-11-21 00:46:32,108 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:46:32,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 128 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 26 Unchecked, 0.3s Time] [2021-11-21 00:46:32,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-21 00:46:32,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2021-11-21 00:46:32,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 28 states have internal predecessors, (35), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-21 00:46:32,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2021-11-21 00:46:32,116 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 12 [2021-11-21 00:46:32,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:46:32,116 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2021-11-21 00:46:32,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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 00:46:32,117 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-11-21 00:46:32,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 00:46:32,117 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:46:32,118 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:46:32,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:46:32,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:46:32,334 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:46:32,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:46:32,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1449896969, now seen corresponding path program 1 times [2021-11-21 00:46:32,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:46:32,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707268602] [2021-11-21 00:46:32,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:46:32,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:46:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:46:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:46:32,657 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:46:32,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707268602] [2021-11-21 00:46:32,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707268602] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:46:32,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081889384] [2021-11-21 00:46:32,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:46:32,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:46:32,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:46:32,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:46:32,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:46:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:46:32,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 00:46:32,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:46:32,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-11-21 00:46:33,094 INFO L354 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2021-11-21 00:46:33,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 233 treesize of output 239 [2021-11-21 00:46:33,114 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 240 treesize of output 233 [2021-11-21 00:46:33,266 INFO L354 Elim1Store]: treesize reduction 164, result has 35.7 percent of original size [2021-11-21 00:46:33,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 231 treesize of output 252 [2021-11-21 00:46:33,331 INFO L354 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2021-11-21 00:46:33,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 284 treesize of output 290 [2021-11-21 00:46:33,546 INFO L354 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2021-11-21 00:46:33,546 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 71 treesize of output 59 [2021-11-21 00:46:33,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-21 00:46:33,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 63 [2021-11-21 00:46:33,851 INFO L354 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2021-11-21 00:46:33,851 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 116 treesize of output 75 [2021-11-21 00:46:33,932 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:46:33,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 50 [2021-11-21 00:46:34,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 32 [2021-11-21 00:46:34,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-11-21 00:46:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:46:34,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:46:35,330 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:46:35,331 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 2 case distinctions, treesize of input 106 treesize of output 100 [2021-11-21 00:46:35,358 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:46:35,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 62 [2021-11-21 00:46:35,549 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:46:35,550 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 2 case distinctions, treesize of input 106 treesize of output 1 [2021-11-21 00:46:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:46:35,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081889384] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:46:35,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2048484857] [2021-11-21 00:46:35,701 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2021-11-21 00:46:35,701 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:46:35,701 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:46:35,701 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:46:35,702 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:46:35,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:35,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:35,764 INFO L354 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2021-11-21 00:46:35,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 20 treesize of output 34 [2021-11-21 00:46:35,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:35,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:35,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:35,838 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-11-21 00:46:35,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 53 [2021-11-21 00:46:36,134 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-21 00:46:36,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 281 treesize of output 280 [2021-11-21 00:46:36,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,318 INFO L354 Elim1Store]: treesize reduction 134, result has 16.3 percent of original size [2021-11-21 00:46:36,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 268 treesize of output 281 [2021-11-21 00:46:36,406 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:36,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 245 treesize of output 255 [2021-11-21 00:46:36,470 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:46:36,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 204 treesize of output 214 [2021-11-21 00:46:36,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:36,579 INFO L354 Elim1Store]: treesize reduction 220, result has 12.4 percent of original size [2021-11-21 00:46:36,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 188 treesize of output 200 [2021-11-21 00:46:37,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:37,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:37,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:37,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:37,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:37,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:46:37,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:46:37,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:46:41,876 INFO L354 Elim1Store]: treesize reduction 1140, result has 38.1 percent of original size [2021-11-21 00:46:41,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 42 case distinctions, treesize of input 2154499 treesize of output 350955 [2021-11-21 00:46:43,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 350955 treesize of output 350940 [2021-11-21 00:46:50,566 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 350941 treesize of output 350926 [2021-11-21 00:47:06,461 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-21 00:47:06,463 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 3 case distinctions, treesize of input 350998 treesize of output 350992 [2021-11-21 00:47:09,619 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 350986 treesize of output 350968 [2021-11-21 00:47:11,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 350946 treesize of output 350953 [2021-11-21 00:47:14,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:14,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:14,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:47:14,650 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:47:14,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 350946 treesize of output 350941 [2021-11-21 00:47:17,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:17,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:17,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:17,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:17,748 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:47:18,153 INFO L354 Elim1Store]: treesize reduction 124, result has 40.4 percent of original size [2021-11-21 00:47:18,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 10 case distinctions, treesize of input 350935 treesize of output 350965 [2021-11-21 00:47:21,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:21,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:21,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:21,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:21,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:21,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:47:21,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:47:21,693 INFO L354 Elim1Store]: treesize reduction 456, result has 43.4 percent of original size [2021-11-21 00:47:21,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 20 case distinctions, treesize of input 364830 treesize of output 354134 [2021-11-21 00:47:23,451 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-21 00:47:23,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 354134 treesize of output 354135 [2021-11-21 00:48:13,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:13,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:13,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:13,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:13,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:13,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:13,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:13,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2021-11-21 00:48:18,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:48:52,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:52,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:52,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:52,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:52,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:48:52,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2021-11-21 00:49:17,036 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:49:17,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:17,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2021-11-21 00:49:36,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:36,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:36,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:36,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:36,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:36,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:36,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 26 [2021-11-21 00:49:37,540 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:49:37,892 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:49:39,938 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:49:56,580 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:49:58,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:49:58,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 26 [2021-11-21 00:49:58,651 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:00,686 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:16,027 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:16,171 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:21,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:26,170 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:26,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:26,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:26,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:26,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:26,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:26,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:26,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:26,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:50:26,365 INFO L354 Elim1Store]: treesize reduction 79, result has 13.2 percent of original size [2021-11-21 00:50:26,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 71 treesize of output 45 [2021-11-21 00:50:27,368 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:50:27,690 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:00,978 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:51:58,540 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:03,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:03,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:03,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:03,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:03,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:03,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:52:03,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 30 [2021-11-21 00:52:04,688 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:52:04,896 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:04,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:04,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:04,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:04,672 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 160 treesize of output 130 [2021-11-21 00:54:05,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:05,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:05,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:05,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:05,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 139 [2021-11-21 00:54:05,372 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:05,752 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-11-21 00:54:06,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:06,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-11-21 00:54:08,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 139 [2021-11-21 00:54:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:08,554 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 43 treesize of output 25 [2021-11-21 00:54:09,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:09,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 329 treesize of output 295 [2021-11-21 00:54:10,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:10,319 INFO L354 Elim1Store]: treesize reduction 26, result has 61.2 percent of original size [2021-11-21 00:54:10,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 336 treesize of output 338 [2021-11-21 00:54:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:12,131 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 0 case distinctions, treesize of input 327 treesize of output 295 [2021-11-21 00:54:13,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:13,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 605 treesize of output 551 [2021-11-21 00:54:14,791 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:15,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:16,004 INFO L354 Elim1Store]: treesize reduction 26, result has 71.4 percent of original size [2021-11-21 00:54:16,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 612 treesize of output 618 [2021-11-21 00:54:18,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:18,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 605 treesize of output 551 [2021-11-21 00:54:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:20,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 603 treesize of output 551 [2021-11-21 00:54:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:27,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:27,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:27,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:27,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:27,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:27,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:27,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:27,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 879 treesize of output 809 [2021-11-21 00:54:29,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:29,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:29,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:29,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:29,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:29,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:29,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:29,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:29,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:29,124 INFO L354 Elim1Store]: treesize reduction 26, result has 71.4 percent of original size [2021-11-21 00:54:29,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 886 treesize of output 876 [2021-11-21 00:54:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:34,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 877 treesize of output 809 [2021-11-21 00:54:35,952 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:36,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 40 [2021-11-21 00:54:36,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 34 [2021-11-21 00:54:36,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 43 [2021-11-21 00:54:36,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 36 [2021-11-21 00:54:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:36,992 INFO L354 Elim1Store]: treesize reduction 77, result has 15.4 percent of original size [2021-11-21 00:54:36,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 81 treesize of output 57 [2021-11-21 00:54:37,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:37,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:37,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:37,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:37,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:37,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:37,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:37,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:37,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:37,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 36 [2021-11-21 00:54:38,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:38,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 43 [2021-11-21 00:54:39,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:39,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:39,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:39,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:39,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:39,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:39,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:39,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 40 [2021-11-21 00:54:39,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:39,907 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:40,136 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:40,258 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:43,355 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:43,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:43,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:43,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:43,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:43,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:43,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:43,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:43,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:43,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 40 [2021-11-21 00:54:43,847 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:46,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 278 treesize of output 184 [2021-11-21 00:54:46,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 84 [2021-11-21 00:54:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 84 [2021-11-21 00:54:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:46,933 INFO L354 Elim1Store]: treesize reduction 64, result has 29.7 percent of original size [2021-11-21 00:54:46,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 175 treesize of output 149 [2021-11-21 00:54:47,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:47,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 120 [2021-11-21 00:54:48,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 58 [2021-11-21 00:54:48,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:48,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 66 [2021-11-21 00:54:50,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:50,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:50,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:50,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:50,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:50,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:50,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:50,248 INFO L354 Elim1Store]: treesize reduction 53, result has 20.9 percent of original size [2021-11-21 00:54:50,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 207 treesize of output 175 [2021-11-21 00:54:51,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,054 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:51,078 INFO L354 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2021-11-21 00:54:51,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 32 [2021-11-21 00:54:51,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,342 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 0 case distinctions, treesize of input 56 treesize of output 26 [2021-11-21 00:54:51,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,448 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 0 case distinctions, treesize of input 198 treesize of output 158 [2021-11-21 00:54:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:51,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 58 treesize of output 26 [2021-11-21 00:54:52,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 200 treesize of output 158 [2021-11-21 00:54:52,322 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:52,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:52,801 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 37 [2021-11-21 00:54:52,879 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:52,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 40 [2021-11-21 00:54:52,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:52,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 31 [2021-11-21 00:54:53,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 33 [2021-11-21 00:54:53,348 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 00:54:53,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 37 [2021-11-21 00:54:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,627 INFO L354 Elim1Store]: treesize reduction 53, result has 20.9 percent of original size [2021-11-21 00:54:53,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 77 treesize of output 61 [2021-11-21 00:54:53,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:53,824 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 0 case distinctions, treesize of input 68 treesize of output 44 [2021-11-21 00:54:57,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,331 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:57,335 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:54:57,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 234 treesize of output 210 [2021-11-21 00:54:57,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:57,355 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-21 00:54:57,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 198 treesize of output 148 [2021-11-21 00:54:57,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:57,370 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:54:57,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 130 treesize of output 106 [2021-11-21 00:54:57,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,403 INFO L354 Elim1Store]: treesize reduction 85, result has 4.5 percent of original size [2021-11-21 00:54:57,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 94 treesize of output 84 [2021-11-21 00:54:57,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,455 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-11-21 00:54:57,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 83 [2021-11-21 00:54:57,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:57,840 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:54:57,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 234 treesize of output 210 [2021-11-21 00:54:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,853 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:57,856 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:54:57,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 198 treesize of output 174 [2021-11-21 00:54:57,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:57,870 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-21 00:54:57,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 162 treesize of output 112 [2021-11-21 00:54:57,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,900 INFO L354 Elim1Store]: treesize reduction 85, result has 4.5 percent of original size [2021-11-21 00:54:57,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 11 case distinctions, treesize of input 94 treesize of output 84 [2021-11-21 00:54:57,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:57,951 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-11-21 00:54:57,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 83 [2021-11-21 00:54:58,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-21 00:54:58,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:58,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:58,648 INFO L354 Elim1Store]: treesize reduction 40, result has 36.5 percent of original size [2021-11-21 00:54:58,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 349 treesize of output 348 [2021-11-21 00:54:58,672 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:58,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:58,728 INFO L354 Elim1Store]: treesize reduction 40, result has 36.5 percent of original size [2021-11-21 00:54:58,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 348 treesize of output 347 [2021-11-21 00:54:58,890 INFO L354 Elim1Store]: treesize reduction 153, result has 23.5 percent of original size [2021-11-21 00:54:58,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 347 treesize of output 381 [2021-11-21 00:54:59,321 INFO L354 Elim1Store]: treesize reduction 322, result has 20.7 percent of original size [2021-11-21 00:54:59,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 382 treesize of output 445 [2021-11-21 00:54:59,362 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-21 00:54:59,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 445 treesize of output 444 [2021-11-21 00:54:59,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:59,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:59,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:59,388 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:54:59,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 444 treesize of output 435 [2021-11-21 00:54:59,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:59,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:59,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:59,409 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:54:59,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 435 treesize of output 437 [2021-11-21 00:54:59,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:59,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:59,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:59,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:54:59,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:54:59,459 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:54:59,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 425 treesize of output 431 [2021-11-21 00:55:05,300 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-11-21 00:55:05,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 224 treesize of output 238 [2021-11-21 00:55:05,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:05,321 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:05,330 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:55:05,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 238 treesize of output 196 [2021-11-21 00:55:05,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:05,346 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:05,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 196 treesize of output 180 [2021-11-21 00:55:05,363 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:05,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 180 treesize of output 176 [2021-11-21 00:55:05,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:05,381 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:05,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 160 [2021-11-21 00:55:07,842 INFO L354 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2021-11-21 00:55:07,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 224 treesize of output 238 [2021-11-21 00:55:07,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:07,859 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:07,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 238 treesize of output 222 [2021-11-21 00:55:07,874 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:07,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 222 treesize of output 218 [2021-11-21 00:55:07,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:07,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:07,893 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:55:07,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 218 treesize of output 176 [2021-11-21 00:55:07,914 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:07,922 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:07,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 176 treesize of output 160 [2021-11-21 00:55:08,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-11-21 00:55:08,734 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 194 treesize of output 187 [2021-11-21 00:55:08,757 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-21 00:55:08,758 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 3 case distinctions, treesize of input 182 treesize of output 179 [2021-11-21 00:55:08,778 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 149 treesize of output 153 [2021-11-21 00:55:08,795 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-21 00:55:08,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 132 treesize of output 133 [2021-11-21 00:55:08,816 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 109 treesize of output 113 [2021-11-21 00:55:09,558 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:09,562 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:09,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 131 [2021-11-21 00:55:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:09,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:09,575 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:55:09,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 125 treesize of output 83 [2021-11-21 00:55:09,581 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:09,584 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:09,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 55 [2021-11-21 00:55:09,595 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:55:09,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 49 [2021-11-21 00:55:09,603 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:09,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-11-21 00:55:09,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:09,850 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:09,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 147 treesize of output 131 [2021-11-21 00:55:09,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:09,872 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:09,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 109 [2021-11-21 00:55:09,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:09,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:09,888 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:55:09,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 103 treesize of output 61 [2021-11-21 00:55:09,903 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:55:09,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 49 [2021-11-21 00:55:09,911 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:09,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-11-21 00:55:10,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2021-11-21 00:55:10,840 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 194 treesize of output 187 [2021-11-21 00:55:10,878 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 157 treesize of output 161 [2021-11-21 00:55:10,910 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-21 00:55:10,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 141 treesize of output 138 [2021-11-21 00:55:10,942 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 108 treesize of output 112 [2021-11-21 00:55:10,966 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-21 00:55:10,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 92 [2021-11-21 00:55:12,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:12,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:12,183 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:55:12,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 147 treesize of output 105 [2021-11-21 00:55:12,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:12,198 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:12,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 77 [2021-11-21 00:55:12,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:12,212 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:12,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 55 [2021-11-21 00:55:12,228 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:12,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 45 [2021-11-21 00:55:12,243 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:55:12,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 39 [2021-11-21 00:55:12,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:55:12,604 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:12,611 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:55:12,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 147 treesize of output 105 [2021-11-21 00:55:12,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:12,630 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:12,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 77 [2021-11-21 00:55:12,639 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:55:12,644 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:12,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 55 [2021-11-21 00:55:12,661 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:55:12,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 49 [2021-11-21 00:55:12,674 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-21 00:55:12,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-11-21 00:55:13,113 INFO L197 IcfgInterpreter]: Interpreting procedure append_to_queue with input of size 78 for LOIs [2021-11-21 00:55:13,850 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:55:16,191 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 00:55:16,191 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:55:16,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 23 [2021-11-21 00:55:16,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912534207] [2021-11-21 00:55:16,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 00:55:16,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-21 00:55:16,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:55:16,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-21 00:55:16,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1044, Unknown=0, NotChecked=0, Total=1190 [2021-11-21 00:55:16,194 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 23 states, 17 states have (on average 2.235294117647059) internal successors, (38), 22 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:55:17,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:55:17,698 INFO L93 Difference]: Finished difference Result 97 states and 130 transitions. [2021-11-21 00:55:17,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-21 00:55:17,699 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 17 states have (on average 2.235294117647059) internal successors, (38), 22 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 16 [2021-11-21 00:55:17,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:55:17,701 INFO L225 Difference]: With dead ends: 97 [2021-11-21 00:55:17,701 INFO L226 Difference]: Without dead ends: 95 [2021-11-21 00:55:17,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=240, Invalid=1740, Unknown=0, NotChecked=0, Total=1980 [2021-11-21 00:55:17,703 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 89 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:55:17,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 342 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 463 Invalid, 0 Unknown, 9 Unchecked, 1.0s Time] [2021-11-21 00:55:17,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-21 00:55:17,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 55. [2021-11-21 00:55:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 45 states have internal predecessors, (59), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2021-11-21 00:55:17,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 73 transitions. [2021-11-21 00:55:17,719 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 73 transitions. Word has length 16 [2021-11-21 00:55:17,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:55:17,720 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 73 transitions. [2021-11-21 00:55:17,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 17 states have (on average 2.235294117647059) internal successors, (38), 22 states have internal predecessors, (38), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-21 00:55:17,720 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2021-11-21 00:55:17,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 00:55:17,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:55:17,722 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:55:17,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 00:55:17,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:55:17,922 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 00:55:17,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:55:17,923 INFO L85 PathProgramCache]: Analyzing trace with hash -512050548, now seen corresponding path program 1 times [2021-11-21 00:55:17,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:55:17,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426068771] [2021-11-21 00:55:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:55:17,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:55:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:55:18,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 00:55:18,214 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:55:18,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426068771] [2021-11-21 00:55:18,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426068771] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:55:18,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515935186] [2021-11-21 00:55:18,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:55:18,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:55:18,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:55:18,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:55:18,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a2db8a7-41fc-4043-a6c1-cefb229e0f1f/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:55:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:55:18,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-21 00:55:18,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:55:18,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-11-21 00:55:18,722 INFO L354 Elim1Store]: treesize reduction 64, result has 48.8 percent of original size [2021-11-21 00:55:18,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 233 treesize of output 239 [2021-11-21 00:55:18,744 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 361 treesize of output 343 [2021-11-21 00:55:18,803 INFO L354 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2021-11-21 00:55:18,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 343 treesize of output 359 [2021-11-21 00:55:18,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 343 treesize of output 340 [2021-11-21 00:55:18,865 INFO L354 Elim1Store]: treesize reduction 25, result has 51.0 percent of original size [2021-11-21 00:55:18,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 332 treesize of output 336 [2021-11-21 00:55:18,960 INFO L354 Elim1Store]: treesize reduction 96, result has 49.2 percent of original size [2021-11-21 00:55:18,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 379 treesize of output 385 [2021-11-21 00:55:19,033 INFO L354 Elim1Store]: treesize reduction 54, result has 46.5 percent of original size [2021-11-21 00:55:19,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 385 treesize of output 414 [2021-11-21 00:55:19,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2021-11-21 00:55:19,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-21 00:55:19,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 00:55:20,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2021-11-21 00:55:20,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1